The Effects of Neonatal Social Isolation on the Behavior and Endocrine Function of Holstein Calves
作者： S.R. Creel , J.L. Albright
DOI: 10.1016/0168-1591(88)90064-0
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摘要: Abstract A link between neonatal isolation and increased milk production has been reported for Holstein dairy cattle (Donaldson, 1970; Arave et al., 1985). This research proposes investigates four mechanisms that might underlie this effect. Three hypotheses were unsupported: did not affect social dominance, reproductive maturation or socialization to humans. fourth hypothesis isolation, by imposing stress, organizational effects on hypothalamo-hypophyseal-adrenal axis function. was supported behavioral endocrine evidence. Isolated calves stood more ( P
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