Home文摘初产母猪的哺乳强度对当前及以后胎次生产性能的影响哺乳强度的增加可增加仔猪窝增重,但降低了仔猪的日增重。第一胎哺乳强度的增加不会对其后的哺乳期产生负面影响。在第二次哺乳期间,母猪体储损失减少。
Home文摘精子在液氮中长期储存会影响解冻后公猪精子的活力。The fact that the major phenotypic characteristic of boar spermatozoa, motility, is constrained by time of cryostorage should be considered when building cryobanks of pig semen.