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Much to be thankful for, but price/drought challenges remain

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Writer: Robert Burns, 903-834-6191, rd-burns@tamu.edu

COLLEGE STATION – Texas farmers, ranchers and growers have a lot to be thankful for this November, but they still face many challenges, said a Texas A&M AgriLife Extension Service expert.

“Much of the state got excellent rains over the weekend, and if they have winter wheat out or winter pastures, that rainfall will go a long way toward taking those crops through the winter,” said Dr. Travis Miller, interim associate director for AgriLife Extension state operation, College Station. “These rains are very beneficial in recharging moisture in soil profiles and providing water for stock tanks and other surface water supplies.

“But looking at the overall picture, despite the rainfall, there are still some very dry conditions out there, leading to a number of issues relating to crop and water
supply,” Miller said.

One challenge farmers must currently contend with is depressed prices for crops, he said.

“That encompasses most of the major crops we grow, including all the feed grains and cotton,” Miller said. “Corn and sorghum and cotton prices are low. Wheat prices are not quite as low, but they’ve dropped too. So growers are looking for alternatives that might make them a little money.”

The other challenge is one farmers and ranchers face every year: low water supplies and drought, he said.
“Irrigated agriculture depends largely on water supplies,” Miller said. “We have to look at not only how much we have in the soil profile, but also our surface water supplies, such as reservoirs, lakes, rivers and stock ponds.”

Despite 2014 being a much wetter year than the four previous years, a lot of surface water supplies that agriculture depends upon remain low, Miller said. For example, the Colorado River Authority is seeking permission to deny water for rice production for a fourth year in a row on the Gulf Coast. That’s due to lack of rain in the Highland Lakes area northwest of Austin.

There are also significant water supply issues in the Rolling Plains, he said.

Long-term solutions include upgrading water delivery systems so they are more efficient at minimizing water loss than current canals and ditches, such as ongoing projects by AgriLife Extension irrigation specialists, Miller said.

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Another partial solution is the development of crops that are more drought tolerant or more efficient water users, he said. AgriLife specialists and researchers, in cooperation with major seed companies, are also working on more drought-tolerant crops, and have been for a number of years.

“But we’re talking about drought ‘tolerance,’ not drought ‘resistance,’” he said. “There’s only so far we can go in that direction.”

AgriLife Extension district reporters compiled the following summaries:

The 12 Texas A&M AgriLife Extension Service Districts
The 12 Texas A&M AgriLife Extension Service Districts

Central: The region had very cold temperatures – considerably colder than normal for this time of year. Some areas reported 2 to 2.5 inches of rain over the weekend. The coldest nighttime temperature was 24 degrees during the early morning hours of Nov. 17. Small grains looked very good. Irrigated cotton yields were good. Livestock were in good to fair condition. Winter wheat fields were in fair shape after the rains gave them a push. S tock-wat er tanks were full, and both pasture and forages were good. Hay stocks were good as well, so producers had a head start on what has been projected to be a cold winter. With the cooler weather, livestock producers were providing supplemental feed to livestock. The most common supplementation was with hay. Small grains are more tolerant of colder temperatures while in the vegetative stage, so earlier planted fields were expected not to be damaged by the cold. However, newly planted small grains require a minimum average daily soil temperature of 45 to 50 degrees for good germination and adequate stand establishment, so development may be slowed. There were still a few small-grain producers drilling in wheat that will be later harvested for grain.

Coastal Bend: Recent slow, soaking rains raised soil moisture to ideal levels for winter forage growth and performance. Producers planned to sow spring wheat in the next few weeks. Many growers were readying fields for cultivation and fertilizer application. Some producers were still trying to take one last hay cutting, but continued wet conditions were interfering. The ratoon rice harvest continued. The pecan harvest was in full swing. Cattle feeding increased, and cattle and calf prices rose over those the previous week.

East: Rain fell across the region, with Houston County reporting from 4 to 6 inches. Accompanying the rain came several days of freezing temperatures as a cold front pushed through. Remaining warm-season forages were pushed into dormancy. Winter pastures looked good, with ryegrass emerging and growing. Angelina County reported winter wheat was 95 percent emerged. Henderson County reported winter oats as 100 percent emerged. All counties except Shelby reported subsoil moisture and topsoil moisture as mostly adequate. Many livestock producers were feeding hay and supplements. Hay sales increased slightly. Cattle were in good condition. Prices and demand continued to be strong, with some classes $2 to $4 higher per hundredweight. Fall calving was in progress. The cotton harvest was finished. Dryland fields yielded two bales per acre, with fair to good quality. The pecan harvest was about 65 percent complete, with fair to good qu ality. Pecan scab was reported on some varieties. Hickory shuckworm damage was moderate. Feral hogs continued to cause destruction. Lake and pond levels were good.

Far West: Cold, dry conditions were the norm for the region. Pasture and rangeland were in fair to poor condition. Subsoil moisture ranged from adequate to short, and topsoil moisture was short to very short. Depending upon the county, upland cotton was from 40 to 90 percent harvested. From 80 to 100 percent of corn was harvested. The grain sorghum and sunflower harvests were completed. From 40 to 85 percent of winter wheat was emerged. Rangeland was in fair to poor condition. About 30 percent of Martin County oats were planted. The cotton harvest was fully underway, and wheat planting continued. Mesquite leaves were falling, and warm-season grasses were going dormant.

North: Topsoil moisture was mostly adequate. Another cold front early in the week brought a light dusting of snow on the morning of Nov. 17. About 0.5 inch of rain fell on Nov. 20-21. Winter wheat looked good. Early planted winter pastures were emerged and looking good. However, the hard killing freeze suppressed winter pasture growth. The extremely cold weather stressed livestock and required producers to supply additional feed. The feral hog population was on the rise and continued to cause damage.

Panhandle: The week began with colder temperatures and snow for most of the region. Soil moisture was from very short to adequate. The area’s wheat crop was in all stages of development, from just being planted to having cattle grazing. Overall, the wheat crop was in good condition with a few producers starting to irrigate. Cotton harvesting was still behind, and the recent snowfall stopped stripping. Cattle on rangeland required supplemental feed. Stocker cattle were still being placed on wheat pasture where it was ready for grazing. Foggy, dewy conditions hindered the Collingsworth County cotton harvest near the weekend. The harvest there was approximately half completed with good yields and quality. Deaf Smith County producers were trying to wrap up harvesting for the year and prepare for 2015. Corn harvesting was basically completed, with good yields, and some stalks being baled for feed at the dairies and feed yards. Last week’s snow delayed finishing the grain sorghum and sunflower harvests. The Ochiltree County cotton and sorghum harvests wound down. In Randall County, all fieldwork was delayed after about a 5 inch, wet snow. The Wheeler County corn harvest was completed, but the cotton harvest has been slowed by wet conditions. Hemphill County reported having an outstanding grass crop, and cattle were in excellent condition. Also, reports of wildlife populations, such as quail, turkeys and deer were much improved over the past several years. Rangeland and pastures continued to be rated mostly fair.

Rolling Plains: The region received about 1 inch of snow and about 0.25 inch of rain. The moisture put a damper on cotton harvesting, but producers weren’t complaining. With the cotton crop being late in development, most fields weren’t quite ready for harvest. A hard freeze the previous week was the first for the area, and it helped get cotton not been already defoliated closer to being harvest-ready. Winter wheat was in good condition, helped by the recent moisture. Livestock were also in good condition, as were pastures. Some producers were beginning to move cattle to wheat acres, while others were holding off to allow wheat to grow a little more.

South: The region had cooler day and night temperatures with scattered showers that helped improve soil moisture, rangeland and pastures. In the northern part of the region, peanut harvesting continued but at a slower pace due to wet conditions. Soil moisture was mostly adequate, with Atascosa County reporting 80 percent adequate soil moisture, Frio County reporting 100 percent short subsoil moisture to 75 percent adequate topsoil moisture, and McMullen County reporting 80 percent adequate soil moisture. In the eastern part of the region, cattle producers continued wildlife supplemental feeding, but cattle were doing well without extra feed, as grazing on pastures was good. Subsoil was 80 percent short and topsoil moisture 100 percent adequate in Kleberg and Kenedy counties. In Brooks County, soil moisture was 70 to 90 percent adequate, and 50 to 100 percent adequate in Jim Hogg and Jim Wells counties. In the wes tern par t of the region, supplemental feeding was suspended due to adequate forage availability. Improved field conditions allowed harvesting of both fresh market and processing spinach varieties. Onions and cabbage progressed well throughout the week due to cooler temperatures and good soil moisture. Cabbage harvesting was also active. Soil moisture was 50 to 70 percent adequate in Webb County, 50 percent adequate in Maverick County, 80 percent surplus in Webb County and 100 percent short in Zavala County. In the southern part of the region, soil moisture was 50 percent adequate in Cameron County, 100 percent adequate in Hidalgo County, 80 percent adequate in Starr County and 75 to 85 percent surplus in Willacy County. Many fields throughout the area remained saturated after more rain during the week. There was plenty of forage available for grazing. Corn was maturing, and tomatoes, onions and cabbage were doing well with the additional moisture. Citrus harvesting continued in Hid algo Cou nty. Willacy County received 1 inch to 2 inches of rain, and there were reports of standing water in fields and low areas.

South Plains: Warmer, dryer weather this week allowed producers to get back into the fields and continue harvesting. The cotton harvest was still running behind. To date, Floyd County cotton yields and quality were average to good. Garza County received from a trace to 1 inch of rain, which slowed cotton harvesting. About 35 to 45 percent of the Garza County cotton was harvested. Yields varied widely, from as low as 200 pounds per acre to as much as one bale per acre on dryland fields. Irrigated fields were yielding from a bale to nearly three bales per acre. Cattle were in good condition. The Lubbock County cotton harvest was hampered at the beginning of the week by moisture from snowfall. Harvesting resumed by Nov. 19, and was nearly half finished by the end of the week. Area wheat fields showed leaf-tip burn from extremely cold conditions the prior week. Winds on Nov. 23 gusted to 47 mph across much of the region. Rangela nd and pastures were in good shape for this time of year, with plentiful forage available for grazing. In overgrazed pastures, ranchers had to begin providing supplemental feed on a limited basis.

Southeast: Some areas received from 2.5 to 0.5 inches of rain. Soil-moisture levels throughout the region varied widely, mostly in the adequate to surplus range, with Chambers County reporting 100 percent adequate, and Hardin County reporting 100 percent surplus. Rangeland and pasture were mostly in excellent to good condition. In Chambers County, the ratoon rice crop harvest was in full swing. The colder temperatures helped the rice to mature quicker. Recent rains promoted the growth of winter pastures. Ryegrass, wheat and clovers were all responding to the moisture, though freezing temperatures early in the week slowed warm-season grass growth. Livestock were in good condition.

Southwest: Cold, windy weather during the first part of the week stopped the growth of warm-season grasses. Many counties received the first freeze of the season on Nov. 18. Over the weekend, from 2 to 4 inches of rain fell, which was followed by Gulf winds that warmed the region back up. Temperatures went from 30 degrees to the 60s and 70s. With extra forage growth from recent rains, fire danger was expected to be a concern heading into the winter. The pecan harvest was fully underway, then slowed down by wet conditions. Oats and ryegrass needed the additional moisture for continued growth. The sesame harvest neared completion. Cattle and sheep prices remained high. Livestock were in good condition. Supplemental feeding of livestock continued in most areas.

West Central: Temperatures varied widely throughout the week, with cold weather and a hard freeze early, then days warmed up, and there was rain by late in the week. The cotton harvest continued where field conditions allowed, but most cotton harvesting was put on hold by the rains. Irrigated cotton yields were fair; dryland yields were fair to poor. Wheat growers were planting behind harvested cotton. Already planted winter wheat improved, with the earlier planted fields nearly ready to be grazed. Rangeland and pasture conditions declined due to the hard freeze that sent warm-season grasses into dormancy. Stock-tank water levels continued to drop, with some at critical levels. Winter supplemental feeding of livestock continued to increase. Livestock were in fair to good condition as producers finished fall cattle work. Prices remained strong as did demand. The pecan harvest was well underway, with quality ranging f rom very good to less than ideal.

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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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