Many factors influence litter size. These include genetics, gilt management, lactation length, parity distribution, disease, stress and boar fertility. 1 июн. 2007 г.
What determines litter size?
Usually, the size of a dog litter is mainly based on the dog's body size — simply because biologically, bigger bodies are able to carry a larger litter size than smaller bodies. The litter size also depends on the breed of the female. Some small dog breeds will only bear one puppy at a time; we call these singletons.
How do you increase the size of the pig litter?
Serving gilts at their second estrus rather than at puberty can increase litter size by about 0.7 pigs. Service with a vasectomized boar at the pubertal estrus followed by a fertile boar service at the second estrus may increase litter size by 0.7 pigs/litter.
What does size of litter mean?
Litter size. (Science: veterinary) The number of offspring produced at one birth by an animal.
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