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REFERENCES

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Aboul-Naga, A.M. and Aboul-Ela, M.B. (1985). The performance of Egyptian breeds of sheep, European breeds and their crosses. I. Egyptian sheep breeds, II. European breeds and their crosses. 36th Anim. Meet. EAAP, (Kallithee) Greece.

Aboul-Naga, A.M., Maijala, K. and Aboul-Ela, M.B. (1984). Comparative study of oestrous and ovarian activity of Finnish Landrace ewes raised under subtropical Egyptian conditions and their half-sibs in Finland. Proc. 10th Inter. Conf. Anim. Rep. and AI, Illinois, 127-129.

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Aboul-Naga, A.M., Maijala, K., Mansour, H. and Hassan, F. (1987). Reproductive performance of Finn and their crosses with two subtropical sheep breeds. J. Agric. Sci. (in press).

Aboul-Naga, A.M., Aboul-Ela, A., Mansour, H. and Gabr, M. (1988). Reproductive performance of Finn sheep and their crosses with non-seasonal Egyptian breeds. Small Ruminant Res. (submitted).

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Fahmy, Faten (1986). Studies on lamb production from some crossbreeding systems. M.Sc. Thesis, Zagazig, Univ., Zagazig.

Fawzi, Soheir (1986). Physiological studies on sheep: A comparative study on the heat tolerence of the Finnish Landrace and Rahmani sheep and their crosses. M.Sc. Thesis, Mansoura Univ., Mansoura.

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Goot, H. (1975). Increased lamb production from Finn sheep-Mutton Merino crossbreeds in Israel. Wool Tech. Sheep Breed, 22: 18-22.

Goot, H., Eyal, E., Folman, Y. and Foote, W.C. (1979). Contemporary comparisons between progeny by Finnish Landrace and Romanov rams out of Mutton Merino and Awassi ewes. Livest. Prod. Sci., 6: 283-293.

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Goot, H., Foote, W.C, Eyal, E. and Folman, Y. (1980). Crossbreeding to increase meat production of the native Awassi sheep. Spec. Publ. Agric. Res. Org., Bet Dagan, 175.

Goot, H., Eyal, E., Foote, W.C. and Matthews (1984a). The reproductive performance of Finn crosses in accelerated lambing programmes. In: The promotion of prolific strains of sheep by nutritional and managerial means. Agric. Res. Org. Bet Dagan Inter. Publ.: 6-22.

Goot, H., Eyal, E., Foote, W.C, and Matthews (1984b). Body and carcass composition of Finn-cross lambs In: The promotion of prolific strains of sheep by nutritional and managerial means. Agric. Res. Org., Bet Dagan, Inter. Publ.: 51-65.

Goot, H., Hasdai, A., Eyal, E. and Foote, W.C. (1984c). Effects of genotype, season, shearing, light and source and level of dietary protein on the performance of Finn-cross rams. In: The promotion of prolific strains of sheep by nutritional and managerial means. Agric. Res. Org., Bet Dagan, Inter. Publ.: 37-50.

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Maijala,K. (1974). Breed evaluation and crossbreeding in sheep. Proc. Work. Symp. Breed Eval. Cross., Zeist, 1974:-389- 405

Maijala, K. (1980). Experiences of Finn sheep aiad its crosses as dam fat lambs. Syp. Intens. Sheep Prod., Helsinki,1980.

Maijala, K. (1984). Review of experiences about the use of Finn sheep in improving fertility. 2nd World Conf on Sheep and cattle Breed., Pritunia, 1984.

Maijala, K. and Siv Osterberg (1977). Prodwcttvity of Finn sheep in Finland and abroad. Livest, Prod. Sci., 4:355-377

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Terrill, C. (1974). Review and application of research on crossbreeding of sheep in North America. 1st World Cong. Gen. App. Livest. Prod,, Proc. 1: 765-777.

Zahed, S.M. (1988). The reproductive performance of some local breeds of sheep and their crosses with foreign breeds. M.Sc. Thesis, Al-Azhar University, Cairo.

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