REPRODUCTIVE PERPORMANCE OF OSSIMI AND SAIDI SHEEP UNDER TWO PRE PUBERTAL PLANES OF NUTRITION | ||||
| Assiut Veterinary Medical Journal | ||||
| Article 9, Volume 10.1, Issue 19, June 1982, Page 59-66 PDF (1.88 MB) | ||||
| Document Type: Research article | ||||
| DOI: 10.21608/avmj.1982.191797 | ||||
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| Authors | ||||
| F.F. EL-HOMOSI; G.A. ABD EL-HAFIZ | ||||
| Dept. of Anim. Prod., Faculty of Agric. Assiut University, | ||||
| Abstract | ||||
| Fourty eight ewe lambs (25 Ossimi and 23 Saidi) were used in this exp < /strong>eriment. Animals were born between October and November, 1979. On May 1980, animals from each breed were randomly divided on a live weight basis into high (H) and low (L) nutrition groups. The starch value (S.V.) of rations given to groups H&L was calculated assuming average expected daily gain of 160 & 80 gm, respectively. Results obtained could be summariz ed in the following. 1 - The average age at puberty of Ossimi and Saidi ewe lambs was 356.1 and 358.5 days, respectively. 2- Ewe lambs fed high plane of nutrition had exhibited oestrus 19.3 days earlier than those received low p < /strong>lane one. Saidi ewe lambs was 34.23 and 34.7 kg, resp < /strong>ectively. 3- Conception in the Saidi ewe lambs took place after 1.2 services, while in Ossimi ones it occurred after 1.36 services. 4- Conception in animals fed high level of energy took place after 1.4 Services which was whigher than that of those receiving the low level of energy (1.18 ser vices). 5- Ewe lambs fed high energy level had the highest averages of different blood con stituents except alkaline phosphatase which was significantly higher in the group fed the low p < /strong>lane of nutrition. | ||||
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