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Texas crop, weather report for Nov. 17, 2015

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By: Paul Schattenberg

Fire, rain had nominal impact on South Central Texas agriculture

UVALDE – “I’ve seen fire and I’ve seen rain.” That lyric from a ‘70s James Taylor song would certainly apply to the residents of South Central Texas over the past few months.

But while Mother Nature has been less than kind to this region, the agricultural losses caused by these natural woes have been less than expected, according to Texas A&M AgriLife Extension Service experts.

While the recent fire in Bastrop County destroyed thousands of acres, most agricultural losses were among small-acreage landowners and few livestock were lost. Many livestock were protected and fed at the Livestock Supply Point, shown here, set up by the city of Bastrop, the Texas Animal Health Commission and the Texas A&M AgriLife Extension Service. (Texas A&M AgriLife Extension Service photo)

“Most of the losses from the fire were small-landholder losses and didn’t have too much of an agricultural impact,” said Rachel Bauer, AgriLife Extension agriculture and natural resources agent for Bastrop County. “Some fences around ranches were burned, but there was little loss of livestock. Some smaller livestock, like sheep and goats were lost to the fire, but no large animals that I know of  were lost.”

Pastures hit by the fire were already greening up and did not appear to have suffered any long-term damage, she said.

In the agriculturally prolific Winter Garden area, which consists primarily of Dimmit, Frio, La Salle and Zavala counties and includes parts of Atascosa, Maverick, McMullen, Bexar, Medina, Wilson and Uvalde counties, recent flooding did not damage many crops, said area producers  and AgriLife Extension personnel.

“We’re still too wet for planting or harvesting crops,” said Jay Karnes, president of Winter Garden Produce in Uvalde. “The recent flooding destroyed one of our producer’s cabbage crops, but overall the quality and yield of other crops hasn’t been affected.”

Photo #3: This year’s spinach harvest in South Central Texas has shown both good yield and quality so far, according to Dr. Larry Stein, Texas A&M AgriLife Extension Service horticulturist in Uvalde. (Texas A&M AgriLife Extension Service photo)

While some of the area’s producers have taken a pretty hard beating this year, overall the rains have benefited corn, cotton and grain sorghum crops, said Rob Hogan, AgriLife Extension agricultural economist in Uvalde.

“Producers will also continue to benefit from recharged water sources and from the improved moisture in the soil profile,” Hogan said.

He said additional moisture in the region’s soil will help reduce the amount of water typically used to irrigate crops, which will help lower producer costs and improve their bottom line.

“The spinach harvest has begun and spinach producers are seeing really good yields and quality in what they’ve harvested so far,” said Dr. Larry Stein, AgriLife Extension horticulturist in Uvalde.

The region’s pecan trees also got a boost from recent rains, Stein said.

“The pecan crop this year was good,” Stein said. “Besides that, the pecan trees will now have additional moisture in the soil profile going into winter, which will help protect them from freezes and provide protection for them while they ‘sleep’ through the winter.”

Livestock will also be beneficiaries of recent rains, though not without some potential trouble, said Dr. Rick Machen, AgriLife Extension livestock specialist, Uvalde.

“While the rains are providing lots of forage in area pastures, which is good for all area livestock, some livestock, especially sheep and goats, likely will experience greater parasitism due to the wet conditions,” Machen said.

He said young calves are more likely to have parasites this year than in the past several years due to continued wet conditions.

“Producers need to remember to stay on top of this problem, particularly by taking whatever proactive and preventive measures they can to protect their animals,” Machen said.

 

AgriLife Extension district reporters compiled the following summaries:

PANHANDLE:  Daytime temperatures were slightly above average, with cooler nights. Soil moisture was rated mostly adequate and some areas received their first freeze. Collingsworth County harvest activities were in full swing before moisture and a cool system moved in. Yields were average to above average for cotton. The peanut harvest was near completion though yields were below average for the most part.  Winter wheat was emerging and producers said it looked to be a potentially solid year for the wheat crop. Dallam and Hartley counties had seasonable weather, allowing for good harvest progress. The corn and grain sorghum harvest was winding down. The sunflower harvest made good progress with only about 25 percent remaining in the field. The cotton harvest began. Corn yields were mostly average and grain sorghum yields were mostly better than expected. Sunflower yields were varied in yield and oil content, but generally yields ranged from 1,800- 2,200 pounds per acre. Several hard, killing freezes turned pastures brown and supplemental feeding continued for cattle on grass. Some stocker cattle were put on early planted wheat pasture.

Deaf Smith County yields were average to somewhat above average, depending on the hail events this summer. Grain sorghum harvest continued with many of the acres lodging from wind and poorly developed root systems from this summer. Yields on dryland sorghum were above average with several producers reporting 4,000-6,500 pounds per acre on dryland acres. Winter wheat was progressing well, and producers were turning out cattle to start early grazing. In Hutchinson County, rain delayed some harvesting, but it was still almost complete. Corn has been harvested and the rest of dryland sorghum was harvested as moisture levels allowed. Some Lipscomb County fields were too wet for a combine while the Ochiltree County grain sorghum and corn harvest resumed due to drier conditions. High winds caused lodging in some sorghum fields. The cotton harvest began and wheat planting was in its final stages.

Randall County weather conditions were good so harvesting continued. The corn harvest was completed with average yields reported to be averaging around 160 bushels per acre. The grain  sorghum harvest was underway with yields averaging about 4,000 pounds per acre. The cotton harvest also was underway with yields reported as averaging around 1.5 bales per acre. Wheat planting was about 90 percent completed and looked exceptional, according to reports.

SOUTH PLAINS:  Bailey County producers continued the cotton harvest, but grades were poor. In Cochran County, soil moisture levels declined due to high winds. The corn, pea and peanut harvests were completed. Cotton, sorghum and sunflower harvesting was ongoing. High winds slowed the cotton harvest. Pasture and rangelands were in fair to good condition. Winter wheat was being planted. The first official freeze of the season was recorded. Unsettled weather hampered harvest due to sustained high winds and high humidity. For the most part, the area remained dry, with only a trace of rainfall recorded. Cotton and grain producers made good harvest progress. The cotton harvest continued in Garza County with better than expected yields in some fields. Drip-irrigated cotton fields were averaging 2.5-3 bales per acre, center pivot irrigated fields were averaging from 1.5-2 bales per acre and dryland yields ranged from 0.75 to 1.5 bales per acre. Rangelands and pastures were in mostly good to excellent condition and cattle were in mostly good to excellent condition. In Scurry County, producers were harvesting cotton fields that were treated with harvest aids. Wheat was growing well, but still needed rain.

ROLLING PLAINS: Weather was pleasant with daytime temperatures staying in the 70s. Parts of the region received their first frost/freeze, but it didn’t last long enough to defoliate trees and cotton plants. The frost did, however, help farmers eliminate the need for some defoliates. A few cotton producers were harvesting, but the main harvest period is expected in the next week or two. Moisture helped pastures and wheat get a head start. Winter rye turned pastures green again and the wheat harvest was expected to be adequate to feed cattle through part of the winter. Recent rains allowed producers to put up an abundance of hay.

NORTH: Topsoil moisture varied from adequate to surplus with rainfall from 5 to 8 inches across the region. Nightly temperatures were in the 40’s with daytime temperatures in the 60’s and 70’s. Bermuda grass pastures greened up well, as did winter pastures. Both warm- and cool- season forages were thriving. Winter wheat was emerging, but generally there was a little too much precipitation for wheat crops. Some wheat fields stood in water for a little while so the consistency of emergence was affected. Hay supplies were looking adequate, but the quality was not as good as usual due to rains received last spring and early summer. Temperature changes caused stress in livestock and feral hogs caused more damage to fields.

EAST: Wet conditions remained across the region. Most counties reported pasture and range conditions as poor to fair. Subsoil and topsoil were reported adequate. Warm-season forages greened up but made slow growth. Winter forages were making good progress. Cool-season vegetable crops were growing rapidly. Rains damaged some crops. Ponds and lakes were filling with some counties reporting full to overflowing. Fields were saturated. Cattle were in good body condition with some producers feeding hay and providing supplemental feed. Anderson County producers reported cattle were eating acorns. Fall calving was in progress. Some producers were palpating cows to avoid the high costs of wintering open cows. Producers continued to sell market-ready calves along with cull cows. Cattle prices were weak. Houston County reported calf prices $10-$20 or lower. Upshur County reported soil samples were being taken to prepare for spring pastures. Feral hogs continued to cause damage across most areas of East Texas. Gopher and mole control continued.

FAR WEST:  El Paso County experienced warm days with cool nights, plus had its first freeze,  which will speed up the opening of pecans and their harvest. All counties reported rain showers and windy conditions due to cold fronts passing through. High winds helped dry topsoil but also caused fire danger in some counties. Cotton harvest was in full swing and should finish soon. The sowing of winter wheat continued and emerged crops looked good, with the exception of a few areas with nitrogen deficiency due to standing water. Producers were wrapping up fall cattle works with some cull cows being shipped and others being fattened up for sale early next year. Pastures were in fair to good condition with topsoil and subsoil moisture being adequate.

WEST CENTRAL: Mild days were followed by cool nights, with the weather generally warmer than normal for the time of year. Planted oats and wheat were doing well, but continued rains delayed some field work. Small-grain producers were waiting for fields to dry up to resume planting. Growers were hard at work stripping and picking cotton in hopes of finishing before more rains came. Wheat was being planted behind cotton as the cotton was harvested. Range and pasture conditions continued to improve due to recent moisture. Winter forages and grasses were coming in strong. Winter weeds were lush. There were many green pastures providing grazing for livestock. Livestock were in fair to good condition. Cattle prices were still good though the market had been soft. Supplemental feeding was in full swing. The pecan harvest was underway, but as this was an off-year for pecans, producers were expecting a below-average pecan crop.

CENTRAL: Soil moisture was good in the entire the region, with range and pasture conditions good in 95 percent of the region. Overall crop conditions were fair, but small-grain planting was delayed due to wet conditions, which also halted field work. About 20 percent of wheat was planted. Stock tanks were full and pastures were in good condition. Cattle were in good condition and recent rains continued to provide much-needed moisture for rangelands. There were only a few dry days for harvesting cotton and pecans, and pecans harvested were of average quality. Oats and wheat were late coming up. Stocker operators were expected to be later than normal turning out on winter grazing.

SOUTHEAST:  Additional rains helped replenish soil moisture in Walker County. Cool-season forages were growing well. In Montgomery County, the winter annual planting progressed well due to moderate temperatures and adequate moisture. Rainfall amounts were less than one inch for most areas of Montgomery County. In Waller County, the growing season was coming to a close. In Brazoria County, the weather was fair and the small amount of rain was welcomed. In Chambers County, the pastures were wet and the ratoon crop of rice was being harvested.  In Fort Bend County, the weather was fair and dry. Livestock were in good condition. Galveston County received heavy rains and had standing water in numerous areas.

Soil-moisture levels throughout the region varied widely, mostly in the adequate to surplus range with adequate being the most common. Fort Bend, Grimes, Walker and Lee counties reported 100 percent adequate moisture and Galveston County reported 100 percent surplus. Rangeland and pasture ratings varied widely, mostly from fair to good, with good being the most common.

SOUTHWEST: Winter wheat plantings were wrapping up. Wet conditions remained and vegetation continued to grow, including new growth on many of the brush species but at a slower rate relative to cooler temperatures. Wildlife and livestock conditions were improving, little supplemental feeding was taking place.

COASTAL BEND:  Warmer than normal temperatures and moisture led to the appearance of fall armyworms, though not on a large scale. Some producers experienced armyworm damage, and other producers were treating their fields. Additional showers throughout the week left the ground with better than average soil moisture. Pastures were in excellent condition and hay making continued. Cattle were in excellent shape and prices were high with demand even higher. Winter pasture planting was completed in some areas and the pastures continued to progress well.

SOUTH: Scattered showers with warm daytime and cool nighttime temperatures continued throughout the region. In the northern part of the region, conditions were good throughout Atascosa County. Rainfall slowed peanut harvesting but benefitted planted oats and wheat crops. There were reports of armyworms across the county and in surrounding counties. Peanut harvesting continued and wheat and oats planting continued. Some Bermuda grass cutting and baling took place in the Frio County area. No rainfall was reported in the McMullen County area, but soil moisture levels remained good as range and pasture conditions continued to improve. Forage quality also improved, so supplemental feeding of livestock  declined. Cattle body condition scores continued to improve with most herds in fair condition throughout the area.  Soil moisture conditions were 80-90 percent adequate in McMullen and surrounding counties.

In the eastern part of the region, milder temperatures and some rainfall were reported in the Jim Wells County area. Range and pasture conditions showed improvement from previous weeks as late green up occurred, resulting from good soil moisture conditions. Most farmers throughout the area reported limited wheat acreage being planted due to the probability of rainfall during the harvest season next spring. Kleberg/Kenedy counties received an average of half an inch of rainfall and experienced cooler weather. Soil moisture conditions remained at 100 percent adequate in both Jim Wells and Kleberg/Kenedy counties.

In the western part of the region, range and pasture lands continued to green up in the Dimmit County area.  Maverick County received some rain. Topsoil and subsoil moisture conditions remained adequate with a lot of moisture throughout the area. Coastal Bermuda grass remained green and ready for another cut. In the Zavala County area, field conditions improved some during the week, allowing some baby spinach to be harvested. Native range and pastures continued to improve and were producing good quality forage. Also in Zavala County, wheat and oats responded well to soil moisture availability. Cooler temperatures were forecast, which should help cool-season crops. Livestock conditions remained mostly good and no supplemental feeding by livestock producers was reported. Pecan harvesting throughout the Zavala County area was completed. Soil moisture in Zavala and surrounding counties was from 40-100 percent adequate.

In the southern parts of the region, conditions were mild and some field preparations for spring planting took place. Vegetables, especially tomatoes and onions, were progressing well in the Cameron County area. Also in Cameron County, livestock body conditions were good and forage availability was good, but weeds on range and pastures increased on improved pastures and saturated fields. Fall vegetable crops progressed in the Starr County area. Overall soil moisture conditions in this part the region were 90-100 percent adequate.

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Farm & Ranch

Frog Fruit

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By Tony Dean, tonydean.tx1@gmail.com

Frog fruit is a native, low-growing perennial forb adapted to most of the eastern U.S., but few grazers know it well. It contributes more to our plant communities than we realize. It generally grows no more than a few inches tall and roots at the nodes. It can form dense mats several feet across and develop runners up to 3 feet long.

The leaves are thick, one to two inches long and 3/8 inch wide, and toothed from the middle to the tip. Tiny white flowers form a ring around a flower head, and the head then elongates into a cylinder an inch long or longer. Frog fruit has a four-angled stem.

Frog fruit can grow almost anywhere in Texas and on many soil types. It can grow in drier soils and likes good drainage, but it needs additional moisture to survive the hottest months. You can find it almost anywhere in a pasture, though it often grows in depressions and near water sources.

“Frog fruit is used as forage by livestock and deer. I recall an instance when I was moving cattle from one pasture to the next on a Jack County ranch. As I opened the gate, I stood by a beautiful green plant of switchgrass which I expected to be immediately grazed down. The cattle walked right by the switchgrass and stuck their heads in a small patch of frog fruit a few feet away,” Dean said.

Frog fruit is gaining popularity as a ground cover for homes and gardens for these reasons:

  1. Frog fruit grows quickly, maybe too quickly. If it gets out of bounds, you can always trim it back.
  2. Frog fruit is low maintenance. Once you get it established with adequate watering, it can survive with little care.
  3. Frog fruit has a long bloom period, from April to October.
  4. It is a host plant for several butterfly species and other insects.
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Farm & Ranch

Theileria orientalis

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By Barry Whitworth, DVM

Over the past few years, veterinarians have detected Theileria orientalis in Oklahoma cattle. Early cases were primarily diagnosed in adult cattle, but more recent Oklahoma cases have been identified in stocker cattle. All cattle producers should be familiar with the clinical signs of this disease and check their cattle daily for signs of trouble.

The first U.S. case of theileriosis was identified in Virginia in August 2017. Those cattle showed weakness and anemia, and veterinarians made an initial diagnosis of anaplasmosis. Blood samples from the animals were tested for Anaplasma, Babesia and Leptospira. Results were negative for all three, but the tests revealed a blood protozoan, later identified as T. orientalis genotype Ikeda. Since that first herd outbreak, the organism has been detected in several states.

Cattle sick with T. orientalis genotype Ikeda may show fever, weakness, anorexia and exercise intolerance. If forced to move, affected cattle may stagger and gasp for air. If stressed excessively, they may collapse and die. On examination, the gums, eyes or vaginal mucosa may appear pale (white) or yellow. Reproductive losses, including stillbirths and late-term abortions, may occur, along with a drop in milk production.

Clinical signs reported in adult cattle in Oklahoma include anemia, sudden death, weight loss, abortion, failure to thrive and failure to calve. In stocker cattle, producers have reported weight loss, anemia, poor performance and sudden death.

Because Anaplasma marginale and T. orientalis genotype Ikeda produce similar clinical signs, telling the two apart can be difficult. One difference is that clinical signs are more common in young cattle infected with T. orientalis than in young cattle infected with A. marginale. Cattle with anaplasmosis also often display aggression, while those with T. orientalis genotype Ikeda typically do not. A laboratory test is required to tell the two diseases apart with certainty.

Researchers have identified Haemaphysalis longicornis as a possible vector of T. orientalis genotype Ikeda. In 2017, the U.S. Department of Agriculture’s (USDA) National Veterinary Services Laboratories (NVSL) confirmed the presence of H. longicornis, commonly called the Asian longhorned tick (ALT) or bush tick. While trying to determine how the tick arrived in the United States, USDA officials discovered it had been present in West Virginia as early as 2010. The tick has now been confirmed in at least 26 states, including Oklahoma. Some evidence suggests other insect vectors may also transmit T. orientalis genotype Ikeda. Needle transfer is another possible route of transmission.

The ALT has been identified in Craig and Mayes counties in Oklahoma. This tick thrives in areas with high humidity, such as wooded regions, brush or tall grass. Ticks are often found where large numbers of wildlife gather, such as along deer trails. Producers can find more information about the ALT on the USDA website at https://www.aphis.usda.gov/livestock-poultry-disease/cattle/ticks/asian-longhorned.

Other countries have developed treatments for T. orientalis, but no approved treatments are available in the United States, and no vaccine exists for this disease. The best defense is prevention: buying cattle free of the organism, avoiding blood transfer between animals and using effective tick control. Producers should purchase cattle from reputable sources. Clean instruments between animals during procedures such as castration or dehorning, and change needles between every animal. Control external parasites with appropriate insecticide treatments. Pasture management also helps, such as rotating cattle away from wooded or brushy areas where ticks thrive. Patch burning may also help reduce tick populations.

Theileria orientalis remains a concern for some cow/calf and stocker producers in Oklahoma. Producers who want more information about T. orientalis genotype Ikeda should contact their local veterinarian or Oklahoma State University County Extension agriculture educator.

References

Hammer, J. F., Emery, D., Bogema, D. R., & Jenkins, C. (2015). Detection of Theileria orientalis genotypes in Haemaphysalis longicornis ticks from southern Australia. Parasites & Vectors, 8, 229.

Oakes, V. J., Yabsley, M. J., Schwartz, D., LeRoith, T., Bissett, C., Broaddus, C., Schlater, J. L., Todd, S. M., Boes, K. M., Brookhart, M., & Lahmers, K. K. (2019). Theileria orientalis Ikeda genotype in cattle, Virginia, USA. Emerging Infectious Diseases, 25(9), 1653-1659.

Spickler, Anna Rovid. (2019). Theileriosis. Retrieved from http://www.cfsph.iastate.edu/DiseaseInfo/factsheets.php.

Watts, J. G., Playford, M. C., & Hickey, K. L. (2016). Theileria orientalis: A review. New Zealand Veterinary Journal, 64(1), 3-9.

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Farm & Ranch

Is the Pond Safe for Livestock?

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By OKFR Staff

During the hottest part of summer, a farm pond can look like a welcome source of water. Cattle may be standing belly-deep along the bank, and the pond may still hold enough water to seem dependable. Looks alone won’t tell you whether that water is safe.

Hot weather, limited rainfall and falling pond levels can create water-quality problems. As water evaporates, salts, minerals, nutrients and other substances become more concentrated. Warm, still water can also encourage blue-green algae, and some forms can produce toxins capable of killing livestock.

Producers sometimes treat water as an afterthought compared to grass, hay and supplemental feed. Livestock need a dependable supply of clean water to maintain feed intake, regulate body temperature and support production. Poor-quality water can reduce consumption and performance even when it does not cause obvious poisoning.

A pond that has watered cattle for years is not safe under every set of conditions. Pay particular attention during drought, extreme heat or any period when the water level drops significantly.

Watch the Water and the Livestock

One of the most serious late-summer concerns is a bloom of cyanobacteria, commonly called blue-green algae. These organisms live naturally in many bodies of water, and most do not produce dangerous toxins. The risk rises when certain toxin-producing species multiply rapidly under favorable conditions.

According to Oklahoma State University Extension, toxic blue-green algal blooms typically develop in standing water after periods of hot, dry, calm weather. Nutrients such as nitrogen and phosphorus can fuel excessive growth. Those nutrients may reach a pond through manure, fertilizer runoff, soil erosion and decaying vegetation.

A suspicious bloom may turn the water bright green, blue-green, pea-soup green or even brownish. Scum, foam or mats may collect along the shoreline, particularly where the wind pushes floating material into one area. Some blooms look like spilled paint.

Not every green pond is poisonous. Common aquatic plants and harmless algae can also change the color or surface of the water. You usually cannot tell whether a bloom is toxic by looking at it, and a pond can contain toxin-producing cyanobacteria without showing every commonly described warning sign.

Keep livestock, horses, pets and people away from water that has an unusual color, heavy surface scum, a bad odor or unexplained dead fish or wildlife nearby. Do not let livestock drink from another part of the same pond on the assumption that the water is safe there. Wind can move a bloom, and toxin levels may vary across the pond.

Blue-green algae can produce toxins that affect the nervous system or liver. Depending on the toxin and the amount consumed, affected animals may develop weakness, staggering, difficulty breathing, tremors, convulsions, diarrhea or collapse. In severe cases, owners find animals dead near the water before realizing anything is wrong. Treatment often fails, which makes prevention especially important.

Treat any suspected poisoning as an emergency. Move the herd away from the water source without driving or stressing animals that may already be affected. Provide another clean water supply and contact a veterinarian immediately. Your county Extension office can also help you determine where and how to submit a water sample.

Blue-green algae is not the only potential problem. Pond water may contain elevated levels of dissolved salts, sulfates, nitrates, bacteria or other contaminants. Runoff can carry manure, fertilizer, pesticides and organic matter into the pond. Low water levels make some of these problems worse because the remaining water grows more concentrated.

Water with excessive dissolved solids may taste bitter or salty, so animals drink less of it. Depending on the substances involved and their concentrations, poor-quality water may contribute to diarrhea, reduced feed intake, poor weight gain or other health concerns. Young animals and livestock that are not used to the water may be more vulnerable.

Watch the cattle themselves, too. Are they reluctant to drink? Are they crowding around a different water source? Has feed intake or weight gain dropped without an obvious explanation? Are several animals having digestive problems? Changes across multiple animals can be an early clue that you need to look at the feed or water.

OSU Extension recommends collecting a representative sample and submitting it for a livestock water test whenever you suspect a water supply is harming animal health or performance. A standard livestock water test covers several characteristics, but blue-green algae can require different sampling and testing procedures. Contact the laboratory or county Extension office before collecting the sample so you take it from the right location, use the proper container and handle it correctly.

Reduce Problems Before They Develop

Good pond management cannot eliminate every water-quality problem, but it can lower the risk. One of the most effective steps is limiting the manure, soil and nutrients that enter the water.

Cattle with unrestricted access to an entire pond can damage the banks, muddy the water and deposit large amounts of manure in or near it. Hoof traffic strips vegetation and speeds erosion. Sediment fills the pond over time, while manure supplies nutrients that can encourage excessive algae growth.

Where practical, fence livestock away from most of the pond and provide a limited-access watering point. Another option is piping water to a trough below the dam or elsewhere in the pasture. OSU notes that reducing cattle manure in the pond can reduce the conditions that favor toxic algae and make the water more palatable.

A vegetated buffer around the pond can slow runoff and trap soil and nutrients before they reach the water. Apply fertilizer and manure carefully in the watershed, particularly before heavy rain, and do not let large amounts of hay, feed or organic debris pile up at the water’s edge.

Alternative watering systems need maintenance, too. Check troughs for algae, manure, drowned animals and other contamination. Install wildlife escape ramps in tanks so birds and small animals can climb out instead of drowning and fouling the water.

Be cautious about treating a pond on your own. Some owners use copper sulfate and other algaecides for algae control, but improper treatment can create new problems. Killing a large amount of algae or aquatic vegetation at once can deplete dissolved oxygen as the material decomposes, which can lead to a fish kill. Treatment may also release toxins from affected cyanobacteria into the water. Base any chemical application on proper identification and professional recommendations, not guesswork.

Livestock should always have enough water for the weather, their size and their stage of production. Demand rises sharply in hot weather, and a pond that barely meets the herd’s needs in spring may fall short in August. Check the source regularly instead of waiting for cattle to gather around a muddy shoreline.

Ponds can fool you. Crystal-clear water isn’t always safe, and a green pond doesn’t always mean toxic algae. Regular observation, testing and prevention are the best ways to keep a pond safe for your herd.

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