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Estimation of genetic parameters for scrotal circumference, age at puberty in heifers, and hip height in Brahman cattle.
Genetic parameters were estimated for scrotal circumference (SC; n=287), age at puberty in heifers (AP; n=292), and hip height in both sexes (HH; n=684) for Brahman cattle born from 1984 to 1994 atExpand
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Influence of frame size and body condition score on performance of Brahman cattle.
The effects of frame size (FS) and body condition score (BCS) on performance of Brahman cows were evaluated using records collected from 1984 to 1994 at the Subtropical Agricultural Research Station,Expand
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Genetic parameters and relationships between hip height and weight in Brahman cattle.
Genetic parameters for weaning hip height (WHH), weaning weight (WWT), postweaning hip height growth (PHG), and hip height at 18 mo of age (HH18) and their relationships were estimated for BrahmanExpand
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Covariance components and prediction for additive and nonadditive preweaning growth genetic effects in an Angus-Brahman multibreed herd.
Estimates of covariances and sire expected progeny differences of additive and nonadditive direct and maternal genetic effects for birth and weaning weights were obtained using records from 1,581Expand
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Genetic parameters and genetic trends for age at first calving and calving interval in an Angus-Blanco Orejinegro-Zebu multibreed cattle population in Colombia
Abstract Genetic parameters and genetic trends for age at first calving (AFC), interval between first and second calving (CI1), and interval between second and third calving (CI2) were estimated in aExpand
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Genetic variation and prediction of additive and nonadditive genetic effects for six carcass traits in an Angus-Brahman multibreed herd.
Estimates of covariances and sire expected progeny differences of additive and nonadditive genetic effects for six carcass traits were obtained using records from 486 straightbred and crossbredExpand
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Variance Components and Genetic Parameters for Milk Production and Lactation Pattern in an Ethiopian Multibreed Dairy Cattle Population
The objective of this study was to estimate variance components and genetic parameters for lactation milk yield (LY), lactation length (LL), average milk yield per day (YD), initial milk yield (IY),Expand
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Restricted maximum likelihood procedures for the estimation of additive and nonadditive genetic variances and covariances in multibreed populations.
  • M. Elzo
  • Biology, Medicine
  • Journal of animal science
  • 1 December 1994
Restricted maximum-likelihood procedures were developed to estimate additive and nonadditive genetic and environmental covariances for multiple traits in multibreed populations. The computationalExpand
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Effects of Age of Dam on Weight Traits in the Simmental Population
Records on birth weight, weaning weight and postweaning gain from weaning to yearling from 839,292 Simmental calves were used to study age-of-dam effects. Estimates of age-of-dam effects wereExpand
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Genetic and environmental factors affecting weaning-to-first service interval in a landrace-large white swine population in Northern Thailand.
Non-productive sow days measured as weaning-to-first service interval (WSI) is an economically important trait in commercial swine production. A reduction in WSI would increase efficiency andExpand
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