Article
Genetic and phenotypic relationships of farrowing and weaning survival to birth and placental weights in pigs.
Journal of animal science - 1 Jan 2006
Mesa H, Safranski T J, Cammack K M, Weaber R L, Lamberson W R
Abstract excerpt
Data obtained during 4 generations of divergent selection for placental efficiency were used to determine factors influencing survival at farrowing and weaning in litters produced by first-parity females. Data were collected from 193 litters and included records on 2,053 individuals. Farrowing survival (FS) and weaning survival (WS) were considered traits of the piglet and were scored 1 if the individual was...
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