Proceeding2562

1081 การประชุมวิชาการระดับชาติมหาวิทยาลัยทักษิณ ครั้งที่ 29 ประจ�ำปี 2562 วิจัยและนวัตกรรมเพื่อการพัฒนาที่ยั่งยืน 7 [3] Adeleke, M.A., S.O. Peters, M.O. Ozoje, C.O. Ikeobi, A.M. Bamgbose and O.A. Adebambo. 2012. Effect of crossbreeding on fertility, hatchability and embryonic mortality of Nigerian local chickens. Trop Anim Health Prod. 44:505-510. [4] Etches, R.J. 1996. Reproduction in Poultry . CAB International, Wallingford, UK. [5] Mauldin, J.M. 2001. Factors affecting hatchability. In : Bell, D.D., Weaver Jr., W.D. (Eds.). Commercial chicken meat and egg production . Kluwer Academic Publishers, USA. pp. 727-773. [6] Peter, S.O., B.M. Ilori, M.O. Ozoje, C.O.N. Ikebi and O.A. Adebambo. 2008. Gene segregation effects on fertility and hatchability of pure and crossbred chicken genotypes in humid tropical. Poult. Sci. 7(10): 954-958 [7] SAS. 1996. SAS/STAT Software Release 6.12. SAS Institute Inc., Cary. NC., USA. [8] Scott, T. and R.D. Crawford, 1977. Feather number and distribution in the throat tuft of naked neck chicks. Poult. Sci. 56: 686-688. [9] Somes, R.G. Jr. 1990. Mutations and major variants of plumage and skin in chickens. In : Poultry Breeding and Genetics (Eds. Crawford, R.D.). Elsevier, Amsterdam.