Farm & Ranch
Texas crop, weather for Oct. 14, 2015
By: Robert Burns
Warm fall allows Texas High Plains and Rolling Plains cotton to mature
Writer: Robert Burns, 903-834-6191, rd-burns@tamu.edu
COLLEGE STATION – The warmer fall weather has greatly helped Texas cotton in the Rolling Plains and High Plains areas catch up on maturity, said a Texas A&M AgriLife Extension Service agronomist.
“Overall, from Haskell and Knox counties, and up to Wilbarger and Motley counties, dryland cotton is definitely going to make an above average crop, said Dr. Gaylon Morgan, AgriLife Extension state cotton specialist, College Station.
Morgan recently inspected Rolling Plains cotton fields and talked with producers at numerous cotton field days.
Download or preview a two-minute MP3 audio version of Texas crop, weather for Oct. 14, 2015
Further (farther) south, into the San Angelo area, most dryland cotton was “burned up” due to missing multiple June and July rains, Morgan said.
But overall, the Rolling Plains crop turned out to be in much better shape than was expected a few months ago, he said.
“Considering the type of spring we had, with late planting, there was a lot of concern about cotton not being able to finish out,” Morgan said. “But this open fall with 90-plus degree temperatures and sufficient heat units allowed the crop to mature and open-up, and we will hopefully be able to harvest this crop before the wet weather when the predicted El Niño arrives.”
In the South Plains, cotton is looking promising, Morgan said, after consulting with Mark Kelley, AgriLife Extension agronomist, Lubbock. There, as in the Rolling Plains, the warm weather helped cotton mature.
“We’re expecting three-quarters of a bale per acre on some of the dryland cotton and as much as two-plus bales on the highly irrigated cotton,” Morgan said.
Because of lack of rain, some South Plains dryland cotton burned-up as it did in the southern Rolling Plains, he said. As usual, the rainfall this summer was variable across the High Plains, and the exact number of acres lost to drought has yet to be determined.
“But it is safe to say that yields were certainly much reduced by the lack of rain late in the summer,” Morgan said. “There were good rains in June and July, but they really needed some more rain in August to finish out the dryland crop. The irrigated guys did pretty good because of the June and July rains; they were able to retain the fruit load through August with irrigation.”
“Producers in the Rio Grande Valley were very pleased with their dryland and irrigated yields this year,” Morgan said. “It was a tough year getting cotton planted and harvested due to rain, but the yields were good. Moving up the coast, yields were highly variable depending on field drainage and planting date. Better-drained fields that survived the flooding conditions had some good yields.”
It was a different story for cotton in the Upper Gulf Coast and Blacklands, he said.
“The yields were below the five-year average,” Morgan said. “The excessively wet spring followed by no rain in July or August really hurt the yields. Harvesting ran over a month behind normal, and many farmers just wanted the 2015 season to be over.”
AgriLife Extension district reporters compiled the following summaries for the reporting period of Oct. 4-12:
Central: Soil moisture, rangeland, pastures and crops were all rated in fair condition. Overall livestock conditions were good. Dry conditions slowed cotton growth at the end of the growing season. With no rain, farmers were either delaying planting wheat and oats or dry-planting the crops. The dry weather also delayed the planting of canola. Livestock were still in good condition. Many producers were feeding extra protein to cattle. Pasture quality was declining. Cattle prices dropped a little. Bermuda grass stem maggots and armyworms were infesting fields.
Coastal Bend: The region had above average temperatures and mostly dry conditions. More rain was needed to improve soil moisture. Growers are doing post-harvest fieldwork. Some pecan harvesting began. Producers were harvesting fall hay. Dry conditions delayed the planting of winter pasture in some areas. Fall calves were being born, and cows were in good shape.
East: Drought conditions worsened. Ponds and creeks were going dry. The majority of counties reported subsoil and topsoil as short, with a few reporting both as very short. Only five counties reported adequate subsoil and topsoil moisture. Forages were showing signs of severe stress. Panola County has had 95 days without substantial moisture. The dryer conditions would have been worse if not for the earlier summer rains that made good grazing and haying possible for most of the later summer. Winter pasture planting was delayed as producers waited on rain. Pastures were dry and grass was short. Cattle remained in fair to good condition, but some producers were already supplementing cattle with hay. Fall calving was underway. Weaning and selling of market-ready calves and cull cows continued. In Gregg County, feral hog activity was low. Smith County, however, reported feral hog activity had picked up.
Far West: Cotton harvesting sped up until Oct. 8, then rains came and harvesting was halted. Rainfall totals ranged from less than 1 inch in Terrell County to as much as 6 inches in Loving and Winkler counties. Cooler temperatures were the norm across the district. Hudspeth County chile crops were close to harvest. Some producers had alfalfa on the ground during the recent rains. Sugarcane aphids were still present in Glasscock County and were being closely monitored. Pasture and rangeland conditions across the district varied from fair to very poor. Topsoil and subsoil moisture was mostly adequate.
North: The region had another rainless week, and topsoil moisture was short to very short. The dry weather pattern since late spring was taking a toll on all agriculture in the region. Nighttime temperatures cooled off significantly, but daytime highs were still in the low 90s. Pastures and rangeland conditions continued to decline. Some producers were feeding hay to offset poor forage conditions. Some winter pastures were planted, but due to lack of ground moisture they had yet to emerge. Those who dry planted their wheat and oats early now wished they had waited. Grain sorghum producers wrapped up harvesting, with yields mostly low to very low. Spring rains filled ponds to overflowing, but levels were rapidly dropping with the hot days. Horn fly populations were high. Feral hogs were active. Armyworms were a problem.
Panhandle: The region had near average temperatures for most of the reporting period. Most areas received some rain, but soil moisture continued to be rated mostly short. In Collingsworth County, the rain benefited newly planted wheat, but it stalled peanut and cotton harvesting. Much of the county’s peanut crop had been dug, and producers were waiting for the crop to cure before thrashing. Cotton harvesting began slowly; most fields caught up on maturity despite late planting. In Dallam and Hartley counties, the cool, wet weather stopped grain sorghum and corn harvesting. The pumpkin harvest continued, but dry weather was needed to resume harvest of other crops. Most stocker cattle producers were content to keep cattle on grass rather than market them. Recent rains caused pastures to green up. In Deaf Smith County, rainy weather also halted harvesting. The corn harvest was about half over, with yields below average because of hailstorm damage. Corn passed over by hail and wind was giving good yields, averaging 250 bushels per acre and more. Grain sorghum yields were above average, but many fields were not harvested yet. Producers were planting winter wheat where they could get in the fields. Earlier planted wheat looked good. There was still grasshopper pressure on the young wheat, but it was tolerable. Sunflowers were yet to be harvested. Many sunflower fields had hail damage, which will reduce overall yields. Hemphill County has had 1 inch to 1.6 inches of much needed rain. Cow-calf operators were busy weaning and shipping spring calves. Stockers were ready to graze on wheat, but it will be at least a month before there is much grazing available.
Rolling Plains: Cooler weather prevailed, but the region still needed rain. Pastures and rangeland were in poor condition due to lack of moisture the last several weeks. Earlier rain caused grasses and forages to grow quickly, but when the rains stopped, growth ceased. Wildfires popped up in some areas because of the dry conditions. Fall cattle work began with ranchers weaning spring calves. Cotton bolls were opening rapidly. Cotton producers defoliated some cotton, and harvesting was expected to begin in a week or two. Cotton was in excellent condition in the spring and early summer, but the lack of moisture resulted in some dryland fields to “burn up,” and yields did not look promising. Farmers were hesitant to plant wheat due to dry soil conditions, and earlier planted wheat that emerged was attacked by armyworms.
South: The region had mild temperatures, with some areas receiving substantial rain. The northern part of the region received rain but most accumulations were not significant. Cotton harvesting wrapped up, and early-planted peanuts were being dug. Producers began planting wheat and oats. Rangeland and pasture conditions throughout the northern counties remained good to fair. Supplemental feeding of livestock increased. Body condition scores of cattle remained fair. Soil moisture was short to very short except for La Salle County where it was mostly adequate. In the eastern part of the region, what little cotton that was left in the fields was harvested. Local livestock markets saw an increase in offerings during the last few weeks, with runs of over 500 head. Live Oak County cattle prices declined significantly, as they had done every week for the last six weeks. Five-hundred pound steers were reported at $1.50 per pound, compared to $2.20 a pound during August. Soil moisture was 30 to 40 percent adequate in Duval County, 50 to 80 percent very short in Jim Wells County and 70 percent short in Kleberg and Kenedy counties. In the western part of the region, some areas received heavy rains, with accumulations of 2.5 to 7 inches. The rains will greatly improve native range and pastures, and producers expected to be able to reduce supplemental feeding of livestock. The rain will also benefit dryland oats and wheat. Cabbage, spinach and onion producers expected to save on irrigation costs. Soil moisture conditions were short to very short in Dimmit and Maverick counties and surplus in Zavala County. In the southern part of the region, fall crops progressed well with some vegetables being irrigated. Hay baling continued. Livestock were in good condition. In Starr County, fall vegetable planting preparations and hay baling were ongoing. Soil moisture was 70 percent short in Cameron County and 90 percent adequate in Starr County.
South Plains: Most of the region received rain, with accumulations ranging from 0.4 inch to more than 2 inches. The rains halted field operations and some cotton harvesting for a while but were welcomed by those who had already planted winter wheat. Floyd County producers were slowly starting to harvest cotton. Most producers only recently sprayed fields with harvest aids so it will be another week or so before the harvest really gets rolling. Bailey County received 1.7 inches of rain. Cochran County subsoil and topsoils were saturated by the rain, and all harvesting was stopped due to the wet conditions. Hockley County producers were busy harvesting grain sorghum, with most seeing average and above average yields. They were also harvesting corn, but the cotton harvest was a couple of weeks away . Lubbock County got more than 2 inches of rain in some areas. About 25 percent of the cotton in the county had been defoliated but only about 5 percent harvested. Area gins had ginned from a few hundred to a few thousand bales. The Garza County cotton harvest began on a limited basis but was interrupted by rain on Oct. 8. Cotton yields were expected to be somewhat better than earlier expected due to warmer than average weather. Mitchell County rains allowed producers to start planting winter wheat but it came a little late for dryland cotton. Scurry County only received sparse amounts of rain, and more was needed for all aspects of agriculture.
Southeast: Soil moisture varied widely but was mostly in the short to very short range with very short being the most common. The exception was San Jacinto County with 100 percent adequate soil moisture. Rangeland and pasture ratings were mostly fair to poor, with poor ratings being the most common. The region remained hot and dry. In Walker County the dry conditions delayed the planting of cool-season forages. Wildlife plots were dusted in – planted in dry soil – with the hope of rain coming soon. The Brazos County cotton harvest was nearly completed. Waller County ranchers were still cutting and baling hay. Stock-water tank and river levels continued to drop. Brazoria County didn’t receive any rain, but overall the agricultural conditions were good. In Fort Bend County, the dry weather allowed most producers to finish picking cotton, and hay producers to cut and bale. In Galveston County, water from early rains was still standing in some fields, which delayed hay harvesting.
Southwest: Warm and dry conditions persisted. Cooler temperatures and light showers moved through the region. Crops remained in stable condition, and pastures were on the mend. Producers were waiting on more moisture before planting winter annuals. Pasture and rangeland quality was declining. Livestock producers were providing supplemental feed to cattle.
West Central: The region was mostly dry and warm all week. Nights were mild. The dry conditions coupled with low humidity caused extremely high wildfire danger. A few scattered showers occurred in parts of the region but were not enough to improve drought conditions. Producers were preparing fields for small-grain planting. Some producers dry planted wheat and oats, but most were expected to wait for adequate moisture. Cotton neared maturity. Producers began to apply defoliants. Limited cotton harvesting began. Rangeland and pastures were severely drought stressed. All forage growth was slow due to lack of rain. Supplemental feeding of livestock was started early due to poor grazing conditions. Stock-tank water levels further dropped.
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Farm & Ranch
Frog Fruit
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:
- Frog fruit grows quickly, maybe too quickly. If it gets out of bounds, you can always trim it back.
- Frog fruit is low maintenance. Once you get it established with adequate watering, it can survive with little care.
- Frog fruit has a long bloom period, from April to October.
- It is a host plant for several butterfly species and other insects.
Farm & Ranch
Theileria orientalis
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.
Farm & Ranch
Is the Pond Safe for Livestock?
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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