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1990 3
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Biological efficiency to weaning and to slaughter of crossbred beef cattle with different genetic potential for milk.
Montaño-Bermudez M, Nielsen MK. Montaño-Bermudez M, et al. J Anim Sci. 1990 Aug;68(8):2297-309. doi: 10.2527/1990.6882297x. J Anim Sci. 1990. PMID: 2401652
Efficiencies were estimated assuming observed and average reproductive rates, and using observed energy requirements for maintenance, as well as the same requirements for maintenance in the M and H groups. With the observed reproductive rates and requirements for maintenan …
Efficiencies were estimated assuming observed and average reproductive rates, and using observed energy requirements for maintenance, as wel …
Energy requirements for maintenance of crossbred beef cattle with different genetic potential for milk.
Montaño-Bermudez M, Nielsen MK, Deutscher GH. Montaño-Bermudez M, et al. J Anim Sci. 1990 Aug;68(8):2279-88. doi: 10.2527/1990.6882279x. J Anim Sci. 1990. PMID: 2401650
Daily maintenance requirements during gestation were 18% lower than those during lactation. The H and M cows required 12% more energy per unit metabolic weight than L cows to maintain body weight during both gestation and lactation. ...Maintenance requirements for calves u …
Daily maintenance requirements during gestation were 18% lower than those during lactation. The H and M cows required 12% more energy …
Reproductive performance and variation in body weight during annual cycles for crossbred beef cows with different genetic potential for milk.
Montaño-Bermudez M, Nielsen MK. Montaño-Bermudez M, et al. J Anim Sci. 1990 Aug;68(8):2289-96. doi: 10.2527/1990.6882289x. J Anim Sci. 1990. PMID: 2401651
As estimated from Brody's growth curves, mature sizes were 530 +/- 5.7, 471 +/- 4.6 and 499 +/- 4.2 kg for the L, M and H groups, respectively. Of weights taken on four occasions during the year, October weight was the highest for all cows. February weight, minus the estim …
As estimated from Brody's growth curves, mature sizes were 530 +/- 5.7, 471 +/- 4.6 and 499 +/- 4.2 kg for the L, M and H groups, res …
Economical and biological efficiencies of beef cattle differing in level of milk production.
van Oijen M, Montaño-Bermudez M, Nielsen MK. van Oijen M, et al. J Anim Sci. 1993 Jan;71(1):44-50. doi: 10.2527/1993.71144x. J Anim Sci. 1993. PMID: 8454551
Data from different breed groups of cows (low [L] = Hereford x Angus, medium [M] = Red Poll x Angus, and high [H] = Milking Shorthorn x Angus) were used. ...Efficiencies were estimated assuming observed reproductive rates and energy requirements for maintenance, as well as …
Data from different breed groups of cows (low [L] = Hereford x Angus, medium [M] = Red Poll x Angus, and high [H] = Milking Shorthorn …