Studies on goats. I. Effect of plane of nutrition on the reproductive performance of does
The project involved two breeds of Indian goats - Barbari and Jamunapari, three levels of energy and three levels of protein, making a total of 18 treatments. There being no specific recommendations for goats, the high, medium and low levels of energy (TDN) and protein (DCP) represented 125, 100 and 75 percent of Morrison's standard for sheep, respectively. The effect of nutrition on reproductive performance, as revealed by the five and four kiddings completed in the Barbari and Jamunapari was as follows: while the first kiddings did not indicate a sizeable effect, the subsequent ones showed a significant effect of nutrition. Almost all the does in the low-energy groups, irrespective of the protein levels, did not kid for the last kidding under reference. The maximum percentage of twins was noted in high-energy-high-protein (47.5 percent) and high-energy-medium-protein (45.3 percent) groups of Barbari and Jamunapari, respectively. On average Barbari and Jamunapari had 2.0 and 1.5 kids per doe per year in the high-energy-medium-protein group compared with 1.0 and 0.4 in the low-energy ones, respectively. Furthermore, high-and medium-energy groups had shorter intervals between kiddings compared with the low-energy ones
| Main Authors: | , , , |
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| Format: | biblioteca |
| Published: |
1973
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| Subjects: | CAPRINOS, REPRODUCCION, ALIMENTACION DE LOS ANIMALES, REQUERIMIENTOS NUTRICIONALES, ENERGIA, PROTEINA, |
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