The breed of dam by sex of calf interaction effect on beef cattle weaning weight and cow efficiency

A portion of a data set reported on in a previous paper was combined with additional data to evaluate the effects of dam breed × calf sex interaction and other sources of variation on beef cattle weaning weight and cow–calf efficiency of feed utilization. Within the Angus × Hereford dam group, the s...

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Veröffentlicht in:	Canadian journal of animal science 1992-12, Vol.72 (4), p.981-985
Hauptverfasser:	Dinkel, C. A., Marshall, D. M., Tucker, W. L.
Format:	Artikel
Sprache:	eng
Schlagworte:	beef beef cattle bovin de boucherie calves carne de res cows efficacite alimentaire eficiencia de conversion del pienso feed conversion efficiency ganado de carne meat production peso al destete poids au sevrage produccion de carne production de viande sex sexe sexo ternero vaca vache veau viande bovine weaning weight
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Zusammenfassung:	A portion of a data set reported on in a previous paper was combined with additional data to evaluate the effects of dam breed × calf sex interaction and other sources of variation on beef cattle weaning weight and cow–calf efficiency of feed utilization. Within the Angus × Hereford dam group, the sex difference (male minus female calf) was 8.4% for weaning weight and 8.1% for efficiency ratio (calf weaning weight divided by dam and calf total digestible nutrients). Within the Simmental × Hereford group, the sex difference was 15.5% for weaning weight and 12.3% for efficiency ratio. Key words: Weaning weight, cow efficiency, beef cattle
ISSN:	0008-3984 1918-1825
DOI:	10.4141/cjas92-113