Breeding Performance of Bulls Assigned either to 40 Cows per Bull or 80 Cows per Two Bulls during the Breeding Period

Utley?P. R.

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Breeding Performance of Bulls Assigned either to 40 Cows per Bull or 80 Cows per Two Bulls during the Breeding Period

机译：在繁殖期间，公牛的繁殖表现被分配给每头公牛40头母牛或每两头公牛80头母牛

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《Journal of animal science》 |1987年第4期|共页
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Utley?P. R.;
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中图分类畜牧、动物医学、狩猎、蚕、蜂;
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1. Breeding Performance of Bulls Assigned to 40 or 50 Cows per Bull During the Breeding Period [J] . Utley?P. R. Journal of animal science . 1988,第3期

机译：在繁殖期间，每头公牛分配给40或50头母牛的公牛的繁殖表现
2. Reproductive Performance of Two- and Three-Year-Old Bulls Assigned Twenty-Five or Forty Cows during the Breeding Period [J] . McCormick?W. C. Journal of animal science . 1979,第5期

机译：育种期分配给25或40头母牛的2岁和3岁公牛的繁殖性能
3. Breeding Performance of Beef Bulls Assigned to Two-Sire Cow Groups on Pasture [J] . Utley?P. R. Journal of animal science . 1989,第11期

机译：分配给牧场上两公牛组的肉牛的繁殖表现
4. Milk production and rebreeding performance of mixed-aged dairy cows mated to Angus or Hereford bulls [C] . Annual^Conference of The New^Zealand^Society^of^Animal^Production . 2019

机译：混合老化奶牛的牛奶生产和refbeeding表现与安格斯或赫斯福德公牛交配
5. Synthesis, Characterization, and Mixed-Valence Studies of Conformationally Constrained Bisferrocenyl Complexes for the Study of Through-Space S•••pi Interactions. [D] . Meyer, Gordon Joel. 2014

机译：构型受限的双二茂铁基配合物的合成，表征和混合价研究，用于研究空间S•••pi相互作用。
6. Application of direct polymerase chain reaction assays for Campylobacter fetus subsp. venerealis and Tritrichomonas foetus to screen preputial samples from breeding bulls in cow-calf herds in western Canada [O] . Cheryl L. Waldner, Sarah Parker, Karen M. Gesy, 2017

机译：直接聚合酶链反应检测在弯曲杆菌胎儿亚种中的应用。委内瑞拉和Tritrichomonas胎儿筛选加拿大西部牛犊群中繁殖公牛的主要样本
7. Potencial reprodutivo e econômico de touros Nelore acasalados coletivamente na proporção de um touro para 80 vacas Reproductive and economic potencial of Nellore bulls mating in the proportion bull: cow 1:80 [O] . V.O. Fonseca, C.S. Franco, J.A.G. Bergmann 2000

机译：Nellore公牛的繁殖和经济潜力以一头牛到80头母牛的比例集体交配Nellore公牛交配比例牛的生殖和经济潜力：牛1:80
8. Fatality Assessment and Control Evaluation (FACE) Report for Michigan: Dairy Farm Worker Mauled by Either a 2-Year-Old Bull or a Dairy Cow, FACE-14-MI-014. [R] . 2015

机译：密歇根州的死亡率评估和控制评估（FaCE）报告：奶牛场工人由2岁的公牛或奶牛，FaCE-14-mI-014混淆。

Breeding Performance of Bulls Assigned either to 40 Cows per Bull or 80 Cows per Two Bulls during the Breeding Period

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