Mature heifers

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Heifer Development. Often times cow-calf producers have a difficult time incorporating replacement heifers into the cow herd with a high degree of success. A high degree of success might be defined as getting a large percentage of the heifers originally selected as replacements at weaning time to: breed, calve unassisted, raise a good calf, and rebreed for their second calf before they are three years old.

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If you want more choice in your business, good money management is the bottom line. Our Environment section covers information about effluent, land, water and nutrient management on dairy farms. The People section shows you how to recruit quality staff, be a better manager, work within the law, grow your people and much more.

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Jump to navigation Skip to Content. Matching genetic and nutritional inputs, within each system, to achieve desired heifer conception is essential to ensure profitability. For this reason, it is important that they are genetically superior for commercially important traits than the dams in the current breeding herd.

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The age at which beef heifers should be first mated depends upon the economics of management input against returns. Well grown British breed heifers can be mated as early as 15 months to calve at 24 months, but require extra managerial effort if good results are to be obtained. The main cost of mating heifers as yearlings is the need to feed weaner heifers so that they achieve a minimum liveweight at mating.

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The coventional wisdom is that if a pre-fresh period of 21 days is good enough for mature cows, it should be plenty long for first-calf heifers as well. Keep in mind that heifers are facing pregnancy and calving for their very first time, says Pat Hoffman, a heifer specialist with VitaPlus. That day pre-fresh period for heifers may only be 11 effective days when you take these other factors into account. For starters, gestation length is affected by genetics, calf gender, twinning, age of dam and season of year.

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Heifers represent the future potential of a dairy operation. Raising heifers is costly and labor- intensive. Recommended age at first calving is between months of age.

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The period between weaning and breeding is a very critical time in the life of a beef female. At weaning she is between 7 and 10 months old and weighs, in general, to pounds. Some six months later, she is exposed to the bull or to artificial insemination.

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