Estimates of Genetic and Phenotypic Parameters in Beef Cattle. I. Heritability of Growth Rate Estimated from Response to Sire Selection

Kincaid, C. M.; Carter, R. C.

doi:10.2527/jas1958.173675x

Cited by 11 publications

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“…The components of the mean square were obtained by the methods described by Gates and Shiue (1962). Kincaid and Carter, 1958;Mason, 1964;Cunningham, Timon and Broderick, 1966;Langlet, Gravert and Rosenhahn, 1967). In the literature, heritability estimates for daily gain, age at slaughter and food conversion rate in animals 1-2 years old vary between fairly wide limits.…”

Section: Methodsmentioning

confidence: 99%

Genetic aspects of growth and carcass quality in veal calves

Hinks¹,

Andersen²

1969

Anim. Sci.

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Genetic parameters of veal calves were estimated from data on 510 Danish Red male calves by 39 sires. Heritability estimates for the growth and carcass traits were low, those for body dimensions and dressing percentage high. Correlations between the growth and carcass traits indicated no genetic incompatibility in selection. The problem of achieving simultaneous improvement in the dairy, carcass and growth qualities is discussed. It is suggested that the adoption of performance testing for growth and carcass quality prior to the entry of bulls into AI service, followed by progeny testing for milk and fat yields, would provide the best method of genetic improvement.

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Section: Methodsmentioning

confidence: 99%

Genetic aspects of growth and carcass quality in veal calves

Hinks¹,

Andersen²

1969

Anim. Sci.

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“…For example, Warwick & Cartwright (1955)and Kincaid & Carter (1958) have shown from sire-offspring regres-'Present address: Ruakura Animal Research Station, Ministry of Agriculture and Fisheries, P.B., Hamilton, New Zealand.…”

Section: Introductionmentioning

confidence: 99%

Growth progeny tests on Angus and Hereford sires under grazing conditions using supervised data collection in many herd–years

Morris¹,

Gibson

1981

New Zealand Journal of Agricultural Research

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Records from the progeny of 253 Angus sires and 319 Hereford or Poll Hereford sires have been analysed using reference sires to estimate sire effects within breed for weaning and yearling weight at pasture. Each sire effect is an estimate of the expected progeny difference (EDP); or half of the sire's estimated breeding value. Product-moment correlations among sire effects for Angus (Hereford and Poll Hereford in parentheses) were, for weaning weight x yearling weight 0.74 (0.75), and for post-weaning gain x yearling weight 0.80 (0.76). However, these correlations are influenced by the part-whole nature of the data. The regressions of yearling weight EPD on weaning weight EPD were 1.21 ±0.07 kg. kgt (1.15±0.08). In view of the high correlations, these regressions could be used for predicting yearling weight EPD from weaning data. The correlations between weaning weight and post-weaning gain were 0.19 (0.15). The range of EPDs was wide for both weaning weight, 18.4 kg (25.4), and yearling weight, 29.5 kg (31.6). Thus there is considerable scope for genetic selection among bulls for live weight, based on wide sampling of industry data in New Zealand.

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“…1963;Koch, 1951;Stonaker, 1963;Lindholm andStonaker, 1957). Shelby et al (1955) and Kincaid and Carter (1958)…”

Section: Effect Of Yearsmentioning

confidence: 99%

Genetic aspects of growth rate and feed utilization in beef cattle

Ahmad

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Estimates of Genetic and Phenotypic Parameters in Beef Cattle. I. Heritability of Growth Rate Estimated from Response to Sire Selection

Cited by 11 publications

References 0 publications

Genetic aspects of growth and carcass quality in veal calves

Genetic aspects of growth and carcass quality in veal calves

Growth progeny tests on Angus and Hereford sires under grazing conditions using supervised data collection in many herd–years

Genetic aspects of growth rate and feed utilization in beef cattle

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