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Способ производства говядины при реконструкции половозрастной структуры стада на молочной ферме
专利权人:
Federalnoe gosudarstvennoe byudzhetnoe nauchnoe uchrezhdenie "Severo-Kavkazskij nauchno-issledovatelskij institut zhivotnovodstva"
发明人:
Golovan Valentin Timofeevich,Головань Валентин Тимофеевич,Kucheryavenko Aleksej Viktorovich,Кучерявенко Алексей Викторович,Yurin Denis Anatolevich,Юрин Денис Анатольевич
申请号:
RU2016142853
公开号:
RU0002645248C1
申请日:
2016.10.31
申请国别(地区):
RU
年份:
2018
代理人:
摘要:
FIELD: agriculture.SUBSTANCE: method of beef production at reconstruction of growth structure of stad at dairy farm, which includes a selection of animals in accordance with the desired genotype, the parameters of body weight with temporary life stages, growth energy, with intense feeding conditions on the regulations, types and quality of forages, optimal maintenance and protection from diseases. Culling of animals that do not meet the requirements is carried out, according to the invention the animals originally selected predominantly female (heifers), which are intensely cultivated, feeding additionally boiled fodder-starter and oat grains to six months age. First 8 weeks of life hay is not included in the diet. Heifers are weighed every month with the definition and correction of the conditions for growth and development. Selection of heifers for insemination and insemination of heifers that have reached the planned body weight from the age of 14 months in carried out during the hunt with the sperm of bulls-producers improvers. State of the course of pregnancy, intrauterine development of the fetus is determined. Calving is organized, the newborn calf is weighed. After calving, heifers are milked for control every decade, and from 20 to 30 days after calving using daily milk yield and the monthly recalculation coefficient milk productivity during the first lactation, the suitability of the animal to machine milking and industrial technologies maintenance, as well as the exterior and body weight of the animal is determined, and then the status of a replacement heifer, if its characteristics correspond to established by the regulations ranges: age, body weight, exterior, the calf is born alive, the level of milk production, suitability for machine milking with further transfer act of such animal in the cow and replacing culled from the stad cow with it. Production of meat in body weight of replacement heifer is calculated using the following formula: PM = Hr + C +
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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