Management of photoperiod to control caprine reproduction in the subtropics.

  title={Management of photoperiod to control caprine reproduction in the subtropics.},
  author={Jos{\'e} Alberto Delgadillo and Gonzalo Fitz-Rodr{\'i}guez and Gerardo Duarte and Francisco Gerardo V{\'e}liz and Evaristo Carrillo and Jose Alfredo Rosas Flores and Jes{\'u}s Vielma and H Hern{\'a}ndez and Beno{\^i}t Malpaux},
  journal={Reproduction, fertility, and development},
  volume={16 4},
Reproductive seasonality is observed in some breeds originating from or adapted to subtropical latitudes. In 'photoperiodic flexible breeds', such as Australian cashmere goats, the annual breeding season can be manipulated through nutrition, whereas in 'photoperiodic rigid breeds', such as Creole goats from subtropical Mexico, sexual activity can be controlled by altering the photoperiod. In males from the latter breed, artificial long days, whether or not accompanied by the administration of… CONTINUE READING

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