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פותח על ידי קלירמאש פתרונות בע"מ -
The effect of the proportion of roughage in the diet, diethylstilboestrol implantation and space allowance on the performance of Israeli-Friesian intact male calves
Year:
1973
Source of publication :
Animal Production
Authors :
הולצר, צבי
;
.
Volume :
16
Co-Authors:
Holzer, Z., Agricultural Research Organization, Neve-Ya'sar Regional Experiment Station, Haifa, Israel
Ilan, D., Agricultural Research Organization, Neve-Ya'sar Regional Experiment Station, Haifa, Israel
Levy, D., Agricultural Research Organization, Neve-Ya'sar Regional Experiment Station, Haifa, Israel
Facilitators :
From page:
31
To page:
35
(
Total pages:
5
)
Abstract:
The effects of the proportion of hay in the diet (18 or 40%), implantation of diethylstilboestrol and the type of housing on the performance of male calves was examined over the growth period from 250 to 500 kg live weight in a 2×2×2 factorial experiment. The dry-matter consumption per 100 kg of live weight was lower and the live-weight gain and efficiency of conversion of crude metabolizable energy was higher with the diet containing 18% of hay than with that containing 40%. Diethylstilboestrol implantation had only a small effect on performance. Animals that were allowed yard space in addition to pens gained less rapidly, were less efficient in the conversion of energy into live weight, and were somewhat leaner, than those restricted to pens. © 1973, British Society of Animal Science. All rights reserved.
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DOI :
10.1017/S0003356100034838
Article number:
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
29902
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:50
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Scientific Publication
The effect of the proportion of roughage in the diet, diethylstilboestrol implantation and space allowance on the performance of Israeli-Friesian intact male calves
16
Holzer, Z., Agricultural Research Organization, Neve-Ya'sar Regional Experiment Station, Haifa, Israel
Ilan, D., Agricultural Research Organization, Neve-Ya'sar Regional Experiment Station, Haifa, Israel
Levy, D., Agricultural Research Organization, Neve-Ya'sar Regional Experiment Station, Haifa, Israel
The effect of the proportion of roughage in the diet, diethylstilboestrol implantation and space allowance on the performance of Israeli-Friesian intact male calves
The effects of the proportion of hay in the diet (18 or 40%), implantation of diethylstilboestrol and the type of housing on the performance of male calves was examined over the growth period from 250 to 500 kg live weight in a 2×2×2 factorial experiment. The dry-matter consumption per 100 kg of live weight was lower and the live-weight gain and efficiency of conversion of crude metabolizable energy was higher with the diet containing 18% of hay than with that containing 40%. Diethylstilboestrol implantation had only a small effect on performance. Animals that were allowed yard space in addition to pens gained less rapidly, were less efficient in the conversion of energy into live weight, and were somewhat leaner, than those restricted to pens. © 1973, British Society of Animal Science. All rights reserved.
Scientific Publication
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