A Prospective Study of Calf Factors Affecting Age, Body Size, and Body Condition Score at First Calving of Holstein Dairy Heifers

Data were collected prospectively on parameters related to first calving on 18 farms located in Northeastern Pennsylvania. This project was designed to study possible residual effects of calf management practices and events occurring during the first 16 wk of life on age, BW, skeletal growth, and bo...

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Veröffentlicht in:	Journal of dairy science 2005-08, Vol.88 (8), p.2828-2835
Hauptverfasser:	Heinrichs, A.J., Heinrichs, B.S., Harel, O., Rogers, G.W., Place, N.T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aging Ammonia - analysis Animal Nutritional Physiological Phenomena Animal productions Animals Animals, Newborn - growth & development Animals, Newborn - physiology Anti-Bacterial Agents - administration & dosage Biological and medical sciences Body Composition Body Size Body Weight calf and heifer management Cattle - physiology Diet Edible Grain Female Food industries Fundamental and applied biological sciences. Psychology Health Status Housing, Animal Humidity longitudinal data analysis Milk Milk and cheese industries. Ice creams multiple imputations Parity Pregnancy Prospective Studies Statistics as Topic Temperature Terrestrial animal productions Vertebrates Weaning
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