Zobrazeno 1 - 10
of 18
pro vyhledávání: '"T J, Baas"'
Publikováno v:
Journal of Animal Science. 80:2062-2070
Publikováno v:
Canadian Journal of Animal Science. 81:205-214
Selection for lean growth rate (LGR) was conducted for four generations in a synthetic line of Yorkshire-Meishan pigs to study the effectiveness of selection for LGR and correlated responses in litter traits. Lean growth rate was estimated from ultra
Autor:
M, Knauer, K J, Stalder, T, Serenius, T J, Baas, P J, Berger, L, Karriker, R N, Goodwin, R K, Johnson, J W, Mabry, R K, Miller, O W, Robison, M D, Tokach
Publikováno v:
Journal of animal science. 88(11)
The purpose of this study was to determine the association of production factors with stayability to parity 4 (STAY4) under controlled experimental conditions. Data were from 2,293 female pigs, sampled from 6 genetic lines that were entered into the
Publikováno v:
Journal of animal science. 88(1)
Design of breeding programs requires knowledge of variance components that exist for traits included in specific breeding goals and the genetic relationships that exist among traits of economic importance. A study was conducted to evaluate direct and
Publikováno v:
Journal of animal science. 87(9)
A study was conducted to evaluate the efficacy of selection for intramuscular fat (IMF) in a population of purebred Duroc swine using real-time ultrasound. Forty gilts were purchased from US breeders and randomly mated for 2 generations to boars avai
Publikováno v:
Journal of animal science. 85(6)
A study was conducted to evaluate differences in performance and in carcass composition and tissue deposition rates between purebred Duroc pigs sired by boars currently available and those sired by boars from the mid-1980s. Two lines were developed b
Publikováno v:
Journal of animal science. 84(6)
A study was conducted to evaluate differences in meat and eating quality traits between purebred Duroc pigs sired by boars currently available and pigs sired by boars from the mid 1980s. Two lines were developed by randomly allocating littermate and
Publikováno v:
Journal of animal science. 84(4)
A study was conducted to evaluate the effect of dietary grain sources on various compositional and quality characteristics of pork from pigs reared in a commercial environment. Pigs were fed 1 of 5 dietary treatments containing the following single o
Publikováno v:
Journal of animal science. 83(4)
Three selection models were evaluated to compare selection candidate rankings based on EBV and to evaluate subsequent effects of model-derived EBV on the selection differential and expected genetic response in the population. Data were collected from
Publikováno v:
Journal of animal science. 82(8)
An evaluation of porcine longissimus myoglobin concentration was conducted to determine breed and gender differences for myoglobin content, estimate genetic parameters for myoglobin concentration, and determine the relationship between myoglobin cont