Response to lactation induction differs by season of year and breed of dairy ewes.

  title={Response to lactation induction differs by season of year and breed of dairy ewes.},
  author={B Ram{\'i}rez Andrade and Ahmed A K Salama and Gerardo Caja and Virginia Riego-Del Castillo and Elena Albanell and Xavier Such},
  journal={Journal of dairy science},
  volume={91 6},
Lactation artificially induced (ART) by steroid hormones and natural lactation (NAT) after lambing were compared in 2 dairy sheep breeds (Manchega and Lacaune) in 2 experiments conducted during winter and spring. In experiment 1, ART ewes (14 Manchega and 9 Lacaune) were induced into lactation in winter by the standard protocol, which consisted of s.c. injections of estradiol and progesterone administered in 2 portions daily from d 1 to 7. Hydrocortisone acetate was injected s.c. daily on d 18… CONTINUE READING
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