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2013-01-01
McNickle, G. G., Deyholos, M. K., Cahill Jr, J. F.
Background Ecologists recognize that plants capture nitrogen in many chemical forms that include amino acids. Access to multiple nitrogen types in plant communities has been argued to enhance plant performance, access to nitrogen and alter ecological interactions in ways that may promote...
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Effect of postweaning implantation of zeranol and dietary energy level on growth and reproductive performance of replacement beef heifers
Download1991
Makarechian, M., Arthur, P. F., Price, M. A.
Eighty-one heifer calves weaned at an average age of 6 mo were used to study the effect of postweaning zeranol implantation, on the growth and reproductive performance of heifers fed to grow slowly on three dietary energy levels. Forty heifers were implanted with 36 mg of zeranol at 30 d and...
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1979
Price, M. A., Berg, R. T., Jones, S. D. M.
The effect of winter weight loss in Hereford cows on calf birth weight and performance to weaning was examined over a period of 4 yr. The average winter weight loss of cows (60 + 36.2 kg mean += SD) over the period of this study had a significant effect (P < 0.001) on calf birth weight, but no...
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1980
Richmond, R. J., Jones, S. D. M., Berg, R. T., Price, M. A.
The growth and distribution of fat from 163 pig carcasses were compared among five breeds (Duroc × Yorkshire (D × Y), Hampshire × Yorkshire (H × Y), Yorkshire (Y × Y), Yorkshire × Lacombe-Yorkshire (Y × L-Y) and Lacombe × Yorkshire (L × Y)) and two sex-types (barrows and gilts) over a wide range...
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1978
Price, M. A., Berg, R. T., Jones, S. D. M.
The relative growth and distribution of bone from 256 bovine carcasses were compared among three breed-types (British, up to 30% Charolais and 30-50% Charolais) and three \"sexes\" (heifers, steers and bulls) over a wide range in carcass weight.
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1979
Price, M. A., Richmond, R. J., Berg, R. T., Jones, S. D. M.
The growth and distribution of bone from 179 pig carcasses were compared among five breeds (Duroc x Yorkshire (DxY), Hampshire x Yorkshire (HxY), Yorkshire (YxY), Yorkshire x Lacombe-Yorkshire ffxl--Y) and Lacombe x Yorkshire (LxY)) and two sex-types (barrows and gilts) over a wide range in...
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Effects of breed type and slaughter weight on feedlot performance and carcass composition in bulls
Download1978
Jones, S. D. M., Price, M. A., Berg, R. T.
A trial is reported comparing the growth and carcass characteristics ofbulls of three breed-types: Hereford crossbred (HC), beef synthetic (SY) and dairy crossbred (DC).
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Effects of calf- and yearling-fed beef production systems and growth promotants on production and profitability
Download2013
Baron, V. S., López-Campos, O., Aalhus, J. L., Basarab, J. A., Okine, E. K.
In each of 2 yr, 112 spring-born steers were used to evaluate the effect of calf-fed vs. yearling-fed with and without growth implant and β-adrenergic agonist on production parameters and economic potential. Steers were grouped into: (1) non-implanted feeders harvested at 11–14 mo of age, (2)...
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1991
Bruce, H. L., Mowat, D. N., Ball, R. O.
The relationships between meat tenderness and the changes in metabolism and body composition associated with compensatory growth in cattle were examined. Thirty-six steers were randomly allotted to 12 pens of three with three diets assigned randomly to the pens. Diets were alfalfa/grass silage,...