Al-Barjinji Y.M.S. and Othman, G.U. 2013. Genetic polymorphism in FecB gene in Iraqi sheep breeds using RFLP-PCR technique. Int. Org. Sci. Res. J. Agric. Vet. Sci., 2: 46-48.

Asadpour, R., Jafari-Jarozani, R., Alijani, S., Mahmadi, H. 2012. Detection of polymorphism in booroola gene (FecB) and its association with litter size in Zel sheep breed in Iran. Slovak J. Anim. Sci., 45(2): 63-66.

Asharani, A.D., Appannavar, M.M., Yathis, H.M., Hussain, M.S., Kasaralikar, R.V. and Surunagi, M.D. 2018. Molecular variants of FecB and BMP15 fecundity genes in sheep (Ovis aries). Int. J. Livest. Res., 8:185-195.

Brakat, A.H.I., Salem, M.L., Daoud, M.N., Khalil, K.B.W. and Mahrous, F.K. 2017. Genetic polymorphism of candidate genes for fecundity traits in Egyptian sheep breeds. Biomed. Res., 28(2): 851-857.

Dash, S., Maity, A., Bisoi, P.C., Palai, T.K., Polley, S., Mukherjee, A. and De, S. 2017. Coexistence of polymorphism in fecundity genes BMPR1B and GDF9 of Indian Kendrapada Sheep. Explor. Anim. Med. Res., 7(1): 33-38.

Debnath, J. and Singh, R.V. 2014. Genetic polymorphism of Boorola Fecb gene and its association with litter size in Balangir, Shahabadi and Bonpala sheep breeds. Ind. J. Anim. Res., 48(4): 307-314.

El-Hanafy, A.A. and El-Saadaani, M.A. 2009. Fingerprinting of FecB gene in five Egyptian Sheep breeds. Biotechnol. Anim. Husb., 25(3-4): 205-212.

Falconer, D. S. and Mackay, T. F. C. 1996. Introduction to Quantitative Genetics. 4th edn., Addison Wesley Longman Limited, England, pp: 56.

Jamshidi, R., Kasirian, M.M. and Rahimi, G.A. 2013. Application of PCR-RFLP technique to determine booroola gene polymorphism in the Sangsari sheep breed of Iran. Turk. J. Vet. Anim. Sci., 37: 129-133.

Kumar, S., Mishra, A.K., Kolte, A.P., Arora, A.L., Singh, D. and Singh and V.K. 2008. Effects of the booroola (Fecb) genotypes on growth performance, ewe’s productivity efficiency and litter size in Garole × Malpura sheep. Anim. Reprod. Sci., 105: 319-331.

Maskur, M., Tapaul, R., Kasip, L. 2016. Genetic polymorphism of bone morphogenetic protein receptor 1B (BMPR-1B) gene and its association with litter size in Indonesian fat-tailed sheep. Afr. J. Biotechnol., 15(25): 1315 -1319.

Mishra, S.K., Mishra, A.K., Raja, K.N., Vohra, V., Singh, S. and Singh, Y. 2018. Polymorphism analysis at FecB locus in Kajali sheep of India. Ind. J. Anim. Res., 52(3): 474-476.

Nanekarani S, Goodrazi M, Khederzadeh S, Torabi S, Landy N. 2016. Detection of polymorphism in booroola gene and growth differentiation factor 9 in Lori sheep breed. Trop. J. Pharm. Res., 15(8): 1605.

Oraon, T., Singh, D.K., Gosh, M., Kullu, S.S., Kumar, R., Singh, L.B. 2016. Allelic and genotypic frequencies in polymorphic Booroola fecundity gene and their association with multiple birth and postnatal growth in Chhotanagpuri sheep. Vet. World, 9(11): 1294-1299.

Polley, S., De, S., Brahma, B., Mukherjee, A., Vinesh, P.V., Batabyal, S., Arora, J.S., Pan, S.S., Kumar, A., Datta, K.T. and Goswami, L.S. 2010. Polymorphism of BMPR1B, BMP15 and GDF9 fecundity genes in prolific Garole sheep. Trop. Anim. Health Prod., 42: 985–993.

Praveena, K., Ramana, D.B.V. and Prabhat, P.K. 2017. Booroola gene (Fecb) polymorphism and its liaison with litter size in Indigenous sheep breeds of Telangana. Ind. J. Anim. Res., 7(2): 227-231.

Roy, J., Polley, S., De, S., Brahma, B., Mukherjee, A., Batabyal, S., Pan, S.S., Datta, K.T. and Goswami, L.S. 2011. Polymorphism of fecundity genes (FecB, FecX, and FecG) in the Indian bonpala sheep. Anim. Biotechnol., 22: 151–162

Sambrook, J. and Russel, D.W. 1991. Molecular Cloning: A laboratory manual, 3rd edn. cold spring harbor tab. press, New York, pp. 6.4- 6.11.

Souza, C.J., MacDougall, C., Campbell, B.K., McNeilly, A.S. and Baird, D.T. 2001. The booroola (FecB) phenotype is associated with a mutation in the bone morphogenetic receptor type 1B (BMPR1B) gene. J. Endocrinol., 169: R1– R6.

Yatoo, S.A., Tagger, R.K., Chakarborty, D., Kumar, N., Kumar, D. and Vohra V. 2015. Status of FecB gene mutation in Dorper sheep from Jammu. J. Anim. Sci., 5: 253-255.