Implement control program as needed. Do not mow or graze again until after frost. With a cattle gestation calculator, it is easy or a herdsman to calculate how long a cow will be pregnant, provided the breeding date is known. Also, evaluate growth of yearling replacements. Vaccinate heifer calves for brucellosis between four and 10 months of age. Consult your veterinarian. Implant calves to be kept as stockers, but not replacement heifers. Spray or burn weeds in Bermuda and native grass pastures in late April or May. Plant sudan and sudan hybrids for summer grazing or hay, fertilizing according to soil test. Rotate cows to new corn residue field when 50% of husk and leaves are removed. Feed bulls same ration as cows but feed to appetite - if too thin, feed some grain. If a rotational grazing system is used, graze native grass using 40-day intervals (rest 40 days, graze five days). N/acre. Check history on health, including immunizations and diseases on the farm of origin. Numbers above denote ordinal numbers of our beef herd management calendar cycle. v Identify the purebred herds and test stations at which you want to look for herd sires. Hold off pasture until adequate growth for adequate nutrition. Treat cattle for grubs after heel fly activity ceases, between July 1 and October 1, before larvae reach the back. Start feeding supplement during winter to lactating mature cows using the following guidelines. Continue to creep graze calves on sudan pasture. Look for unsound cows that should be culled due to feet and leg, eye or udder problems. All these groups should be managed separately. Top dress with nitrogen to promote growth. Use prescribed fire to eradicate cedars and improve forage quality. If adequate new growth is available, warm-season grasses provide all nutrients for cow herd except salt and water. Heat cycles cover all of the hormonal shifts that cows go through from heat to heat. The calendar is based on a late March calving beef herd. Continue to creep graze calves on sudan or other high quality pasture, if available. Base selection on both weaning and yearling information. The other follicles were thought to degenerate and a corpus luteum to develop at the sit… If ample forage is available (six inches or more), limit-graze small grain pastures to supplement cows on low-quality roughage. Chuck Strasia - Area Livestock Specialist, Use EPD’s along with other performance and pedigree information to make selection decisions. If culling is not completed in September and October, it should be completed this month. Obtain laboratory analysis on hay to be fed during the winter. Utilize a controlled burning program on native range, to control weed and brush. Place weaned calves on good quality pasture and watch closely for health problems. Continue supplemental feeding of bulls, cows, and calves. Prepare calving quarters - clean sodded area. Do not graze weeping lovegrass between September 1 and December 1. If not previously done this year, after calving and at least 30 days before breeding, vaccinate cows with 5-way Leptospira/Campylobacter bacterin, IBR, BVD, PI3, and BRSV vaccine. A cow’s sexual cycle is not seasonal. Assist heifers after one hour of labor, and cows after 30 minutes. Follow vaccine program as outlined in March, if not done at that time. Complete selection and culling of yearling heifers as outlined in January. Purebred breeders should send performance data to the national breed association office. Cattle longevity or lifespan is about 9 to 12 years. ), The National Academies Press: Agriculture. Use the simple Cattle Gestation Period or Pregnancy Calculator below to calculate the due date for your pregnant cow. By David Lalman Kent Barnes - Beef Cattle Specialist, Bruce Peverley - Area Livestock Specialist, Provide salt, free choice - locate away from water. Treat for internal and external parasites, as needed. Assign yearling bulls 15 to 20 cows, two- and three-year-olds 20 to 25, and aged bulls 25 to 40. Will they be big enough to breed in April or May? Weigh yearling heifers. Feed complete ration if residue is covered with ice and snow. N/acre and with P and K, according to soil test. Test the soil to determine phosphorus (P), potassium (K) and lime needs for spring-seeded legumes, such as lespedeza, sweet clover, red clover, and white clover. Make routine checks of the water supply. Continue winter feeding program. 1. Adjust stocking rate and. Body condition score cows and if thin, consider weaning calves early and/or supplementing cows. There are practices for producers to consider in these specific areas each month as the beef herd progresses through the production cycle for cows that give birth to calves in March. If not previously done, complete herd sire selection and the culling of replacement heifers. 1.If a high percentage of cows return to heat after 40 days of breeding, have bulls rechecked for fertility and cows and bulls examined for reproductive diseases by a vet-erinarian. Deworm if necessary. Pay particular attention to those grazing fescue for signs of fescue foot. Purebred breeders should send records to the national breed association for processing. Deworm cows and calves on improved pastures. The gestation chart is where you had to count the days until your Cow’s due date. Supplement stockers and replacement heifers with OK Gold feed. Consider culling problem or low performance cattle. Water is extremely important in hot weather. John Kirkpatrick - Veterinary Medicine, Pay particular attention to cattle grazing fescue for signs of fescue foot. If cows are not vaccinated and there is a potential problem, begin feeding chlortetracycline in mineral mix in late February and continue throughout the entire growing season. N/acre. Change bulls if necessary, and re-evaluate the nutrition program. Plan the financial management program for the year, including cash flow and deadlines for payment of interest and taxes. Use small grain pasture efficiently. Cow heat signs detection procedures. The following recommendations are made with the assumption that a vaccine will be available soon. Develop winter nutrition program to have cows in BCS of five or six at calving to enhance rebreeding performance. Develop winter nutrition program to have cows in BCS of five six at calving to enhance rebreeding performance. The calendar addresses three categories: General Management Practices, Feeding Management, and; Herd Health. Make certain they are gaining enough to reach 65% of their expected mature weight by the beginning of the breeding season (715 pounds if mature weight is 1100). The estrous cycle of the cow is generally about 21 days long, but it can range from 17 to 24 days in duration. Cow longevity trivia: The maximum number of years or record lifespan for a cow is 39 years. Prepare for herd sire selection and procurement as outlined in August. Begin breeding replacement heifers 20 to 30 days before the rest of the cow herd. Semen evaluate bulls, trim feet if needed and vaccinate with Leptospira/Campylobacter bacterin. Glenn Selk - Reproductive Specialist, It is a good idea to run a routine nitrate test on a field before harvesting hay. Some parts of this site work best with JavaScript enabled. Follow vaccine program outlined for May, if not done at that time. Continue OK Gold supplementation for stocker and replacement heifers grazing moderate to low quality pasture. Check first calf heifers (due to calve) several times daily for possible calving difficulties. Establish hairy vetch, clovers (white, crimson, subterranean arrowleaf, and red), alfalfa, and fescue during. Understanding the Estrous Cycle. Eartag calves & keep appropriate records.

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