- Abdan, A. H., and Saeed, O. A. (2024). Growth performance, rumen fermentation, and nutrient digestibility of Awassi lambs fed different levels of organic copper in a basal diet. Anbar Journal of Agricultural Sciences, 22(2): 1542-1556. https://doi.org/10.32649/ajas.2024.184733.
- Abdurahman, A., Du, X., Yao, Y., Sulaiman, Y., Aniwashi, J., and Li, Q. (2019). Smad4 feedback enhances BMPR1B transcription in ovine granulosa cells. International journal of molecular sciences, 20(11): 2732. https://doi.org/10.3390/ijms20112732.
- Al-Waith, H. K., Al-Anbari, N. N., and Mohamed, T. R. (2018). Relationship of the dqa1 gen polymorphism with productive performance in Holstein cattle. Plant Archives, 18(2): 2636-2640.
- Al-Waith, H. K., Mohamed, T. R., and Al-Anbari, N. N. (2018). Association between DQA1 gene polymorphism and reproductive, immunity performance and heat tolerance in Holstein cattle. Plant Archives, 18(2): 2681-2686.
- Atsan, T., Emsen, E., Yaprak, M., Dagdemir, V., and Gimenez Diaz, C. A. (2007). An economic assessment of differently managed sheep flocks in Eastern Turkey. Italian Journal of Animal Science, 6(4): 407-414. https://doi.org/10.4081/ijas.2007.407.
- Awad, R., Mohamed-Brahmi, A., Titi, H., Jaouad, M., and Gasmi-Boubaker, A. (2024). Enhancing the small ruminant value chain using swot analysis in mafraq governorate, Jordan. Anbar Journal of Agricultural Sciences, 22(2): 1356-1374. https://doi.org/10.32649/ajas.2024.150614.1293.
- Bickle, T. A., and Krüger, D. H. (1993). Biology of DNA restriction. Microbiological reviews, 57(2): 434-450. https://doi.org/10.1128/mr.57.2.434-450.1993.
- Chaikuad, A., and Bullock, A. N. (2016). Structural basis of intracellular TGF-β signaling: receptors and smads. Cold Spring Harbor perspectives in biology, 8(11): a022111. https://doi.org/1101/cshperspect.a022111
- Davis, G. H., Montgomery, G. W., Allison, A. J., Kelly, R. W., and Bray, A. R. (1982). Segregation of a major gene influencing fecundity in progeny of Booroola sheep. New Zealand Journal of Agricultural Research, 25(4): 525-529. https://doi.org/10.1080/00288233.1982.10425216.
- El-Halawany, N., Kandil, O. M., Shaky, A. A., Al-Tohamy, A. F. M., El-Sayd, Y. A., Abdel-Shafy, H. A., Abou-Fandoud, E. I., Abdel-Azeem, S. N., El-Rahim, A. H., Abdoon, A. S. S., Michal, J. J., and Jiang, Z. (2018). Investigating the effect of GDF9, BMP15, BMP6 and BMPR1B polymorphisms on Egyptian sheep fecundity and their transcripts expression in ovarian cells. Small Ruminant Research, 165: 34-40. https://doi.org/10.1016/j.smallrumres.2018.06.010.
- Essa, A. H., Mohammed, T. R., and Al-Anbari, N. N. (2023). Genetic Variation of rs429976637, rs416717560, rs403555643 and rs427046713 in BMPRP1B Gene and its Frequency of Awassi Sheep. In IOP Conference Series: Earth and Environmental Science, 1262(7): 072075. DOI: 10.1088/1755-1315/1262/7/072075.
- Fabre, S., Pierre, A., Mulsant, P., Bodin, L., Di Pasquale, E., Persani, L., Monget, P., and Monniaux, D. (2006). Regulation of ovulation rate in mammals: contribution of sheep genetic models. Reproductive Biology and Endocrinology, 4: 1-12. https://doi.org/10.1186/1477-7827-4-20.
- Fabre, S., Pierre, A., Pisselet, C., Mulsant, P., Lecerf, F., Pohl, J., Monget, P., and Monniaux, D. (2003). The Booroola mutation in sheep is associated with an alteration of the bone morphogenetic protein receptor-IB functionality. Journal of Endocrinology, 177(3): 435-444. https://doi.org/10.1677/joe.0.1770435.
- Gong, Y. M., Wang, X. Y., He, X. Y., Liu, Y. F., Yu, P., Chu, M. X., and Di, R. (2023). Progress on the effect of FecB mutation on BMPR1B activity and BMP/SMAD pathway in sheep. Yi Chuan= Hereditas, 45(4): 295-305. https://doi.org/10.16288/j.yczz.22-366.
- Guo, X., Wang, X., Di, R., Liu, Q., Hu, W., He, X., Yu, J., Zhang, X., Zhang, J., Broniowska, K., Chen, W., Wu, C., and Chu, M. (2018). Metabolic effects of FecB gene on follicular fluid and ovarian vein serum in sheep (Ovis aries). International Journal of Molecular Sciences, 19(2): 539. https://doi.org/10.3390/ijms19020539.
- Hu, W., Dong, X., Tian, Z., Zhang, Z., Tang, J., Liang, B., Liu, Q., and Chu, M. (2021). Expression, structure and function analysis of the sperm-oocyte fusion genes Juno and Izumo1 in sheep (Ovis aries). Journal of Animal Science and Biotechnology, 12: 1-18. https://doi.org/10.1186/s40104-021-00548-4.
- Hudson, N. L., O’Connell, A. R., Shaw, L., Clarke, I. J., and McNatty, K. P. (1999). Effect of exogenous FSH on ovulation rate in homozygous carriers or noncarriers of the booroola FecB gene after hypothalamic-pituitary disconnection or after treatment with a GnRH agonist. Domestic Animal Endocrinology, 16(1): 69-80. https://doi.org/10.1016/S0739-7240(98)00045-9.
- Juengel, J. L., Davis, G. H., and McNatty, K. P. (2013). Using sheep lines with mutations in single genes to better understand ovarian function. Reproduction, 146(4): 111-123. http://dx.doi.org/10.1530/REP-12-0509.
- Lin, T., Xiao-Fei, G., Yu-Liang, W., Ran, D., Qiu-Yue, L., Wen-Ping, H., Xiao-Sheng, Z., Jin-Long, Z., Xiang-Yu, W., and Ming-Xing, C. (2019). Effects of FecB mutation on follicular development and expression of AMH and AMHR2 genes in Small Tail Han sheep (Ovis aries). Journal of Agricultural Biotechnology, 27(4): 684-691.
- McNatty, K. P., Hudson, N. L., Shaw, L., Condell, L. A., Ball, K., Seah, S. L., and Clarke, I. J. (1991). GnRH-induced gonadotrophin secretion in ovariectomized Booroola ewes with hypothalamic—pituitary disconnection. Reproduction, 91(2): 583-592. https://doi.org/10.1530/jrf.0.0910583.
- McNatty, K. P., Juengel, J. L., Reader, K. L., Lun, S., Myllymaa, S., Lawrence, S. B., Western, A., Meerasahib, M. F., Mottershead, D. G., Groome, N. P., Ritvos, O., and Laitinen, M. P. E. (2005). Bone morphogenetic protein 15 and growth differentiation factor 9 co-operate to regulate granulosa cell function in ruminants. Reproduction, 129(4): 481-487. https://doi.org/10.1530/rep.1.00517.
- Piper, L. R., and Bindon, B. M. (1982). The Booroola Merino and the performance of medium non-Peppin crosses at Armidale. The Booroola Merino. Proceedings of a workshop held at Armidale, N.S.W. 1982: 9-19.
- Piper, L. R., Bindon, B. M. and Davis, G. H. (2019). Genetics of Reproduction in Sheep. Butterworth-Heinemann; Edinburgh, UK: 1985. [(accessed on 15 September 2019)]. The single gene inheritance of the high litter size of the Booroola Merino, 115–125.
- Piper, L. R., Bindon, B. M., and Davis, G. H. (1985). The single gene inheritance of the high litter size of the Booroola Merino. Genetics of Reproduction in Sheep, 115-125. https://doi.org/10.1016/B978-0-407-00302-6.50016-7.
- Polley, S., De, S., Batabyal, S., Kaushik, R., Yadav, P., Arora, J. S., Chattopadhyay, S., Pan, S., Brahma, B., Datta, T. K., and Goswami, S. L. (2009). Polymorphism of fecundity genes (BMPR1B, BMP15 and GDF9) in the Indian prolific Black Bengal goat. Small Ruminant Research, 85(2-3): 122-129. https://doi.org/10.1016/j.smallrumres.2009.08.004.
- (2018). Statistical Analysis System, User's Guide. Statistical. Version 9.6th ed. SAS. Inst. Inc. Cary. N.C. USA.
- Souza, C. J. H., 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 1 B (BMPR1B) gene. Journal of Endocrinology, 169(2): 1-6. https://doi.org/10.1677/joe.0.169r001.
- Wang, J., Liu, Y., Guo, S., Di, R., Wang, X., He, X., and Chu, m. (2024). Polymorphisms of the BMPR1B, BMP15 and GDF9 fecundity genes in four Chinese sheep breeds, aab. 67(1), 51–60. https://doi.org/10.5194.
- Wang, X., Guo, X., He, X., Liu, Q., Di, R., Hu, W., Cao, X., Zhang, X., Zhang, J., and Chu, M. (2021). Effects of FecB mutation on estrus, ovulation, and endocrine characteristics in small tail Han sheep. Frontiers in Veterinary Science, 8: 709737. https://doi.org/10.3389/fvets.2021.709737.
- Wen, Y. L., Guo, X. F., Ma, L., Zhang, X. S., Zhang, J. L., Zhao, S. G., and Chu, M. X. (2021). The expression and mutation of BMPR1B and its association with litter size in small-tail Han sheep (Ovis aries). Archives Animal Breeding, 64(1): 211-221. https://doi.org/10.5194/aab-64-211-2021.
- Yao, Y., Reheman, A., Xu, Y., and Li, Q. (2019). miR-125b contributes to ovarian granulosa cell apoptosis through targeting BMPR1B, a major gene for sheep prolificacy. Reproductive Sciences, 26(2): 295-305. https://doi.org/10.1177/1933719118770544.
- Zhang, L. P., Gan, Q. F., Zhang, X. H., Li, H. D., Hou, G. Y., Li, J. Y., Gao, X., Ren, H. Y., Chen, J. B., and Xu, S. Z. (2009). Detecting a deletion in the coding region of the bovine bone morphogenetic protein 15 gene (BMP15). Journal of Applied Genetics, 50: 145-148. https://doi.org/10.1007/BF03195665.
- Zhang, X., Zhang, L., Sun, W., Lang, X., Wu, J., Zhu, C., Jia, J., Jin, J., La, Y., and Casper, D. P. (2020). Study on the correlation between BMPR1B protein in sheep blood and reproductive performance. Journal of Animal Science, 98(5): skaa100. https://doi.org/10.1093/jas/skaa100.
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