Long-Day Photoperiod that Enhances Puberty Does Not Limit Body Growth in Holstein Heifers

Previous research has demonstrated that extended photoperiod accelerates pubescence in dairy heifers thereby limiting time for mammary development, which could be detrimental to future milk yield. We hypothesized that the potential negative effects of rapid growth and puberty through long-day photop...

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Veröffentlicht in:	Journal of dairy science 2005-12, Vol.88 (12), p.4356-4365
Hauptverfasser:	Rius, A. G, Connor, E. E, Capuco, A. V, Kendall, P. E, Auchtung-Montgomery, T. L, Dahl, G. E
Format:	Artikel
Sprache:	eng
Schlagworte:	Aging animal growth Animal productions Animals Biological and medical sciences Body Composition Cattle - growth & development Deuterium Oxide digestible protein estimation Female Food industries Fundamental and applied biological sciences. Psychology growth heifer lean body mass Mammary Glands, Animal - growth & development Milk and cheese industries. Ice creams Photoperiod photoperiodism Prolactin - blood protein Sexual Maturation - physiology Terrestrial animal productions Vertebrates
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