abstract |
The invention discloses a method for improving the reproductive efficiency of surrogate sows, belonging to the field of livestock breeding. ; (4) Feeding and management of surrogate sows during pregnancy; (5) Feeding and management of surrogate sows before and after delivery; (6) Nursing of cloned piglets; (7) Nursing care of surrogate sows during lactation. The invention provides a set of scientific and effective methods for the selection, feeding and management and conservation of surrogate sows, and effectively improves the pregnancy rate of surrogate sows, the birth rate and survival rate of cloned pigs. |