Original Article

Non Hormonal Induction of Oestrus in Nellore Ewes

Year: 2020 | Month: April | Volume 10 | Issue 1

References (38)

1.Agarwal, A., Gupta, S. and Sikka, S. 2006. The role of free radicals and antioxidants in reproduction. Current Opinion in Obstetrics and Gynecology, 18: 325–332.

View at Google Scholar

2.Ali, A. 2007. Effect of time of eCG administration on follicular response and reproductive performance of FGA - treated Os-simi ewes. Small Rumin. Res., 72: 33-37.

View at Google Scholar

3.Boscos, C.M. F.C. Samartzi F.C. Dellid S. Rogge, A. Stefanakis, A. and Krambovitis, A. 2002. Use of progestagen-gonadotrophin treatment in estrus synchronization of sheep. Theriogenology, 58: 1261-1272.

View at Google Scholar

4.Brunner, M.A., Hanse, L.W. and Hogue, D.E. 1964. Use of 6-methyl-17-acetoxy progesterone and pregnant mare serum to induce and synchronize estrus in ewes. J. Anim. Sci., 23: 32-36.

View at Google Scholar

5.Ceylan, A., Serin, I., Aksit, H. and Seyrek, K. 2008. Concentrations of some elements in dairy cows with reproductive disorders. The Bulletin of the Veterinary Institute in Pulawy, 52: 109-112.

View at Google Scholar

6.Chan, S., Gerson, B. and Subramaniam, S. 1998. The role of copper, molybdenum, selenium, and zinc in nutrition and health. Clinics in Laboratory Medicine, 18: 673-685.

View at Google Scholar

7.Clark, R.T. 1934. Studies of reproduction in sheep. 1. The ovulation rate of the ewe was affected by the plane of nutrition. Anat. Rec., 60: 125–134.

View at Google Scholar

8.Doney, J.M., Gunn, R.G. and Griffiths, J.G. 1973. The effect of pre-mating stress on the onset of oestrus and the ovulation rate in Scottish Blackface ewes. J. Reprod. Fertil., 35: 381–384.

View at Google Scholar

9.Dyrmundsson, O.R. and Lees, J.L. 1972. Effect of ramson the onset breeding activity in the clun forest ewe lamb. J. Agric. Sci. Camb., 79: 269–271.

View at Google Scholar

10.El-Marsy, K.A. and Nasr, A.S. 1996. The role of folic acid and iron in reproductive performance of New Zealand white does and their kids. World Rabbit Science, 4: 127-131

View at Google Scholar

11.Enhert, K. and Moberg, G.P. 1991. Disruption of estrous behavior in ewes by dexamethasone or management-related stress. J. Anim. Sci., 69: 2988–2994

View at Google Scholar

12.Gordon, I. 1963a. The induction of pregnancy in the anoestrous ewe by hormonal therapy. II. Progesterone-pregnant mare’s serum application in anoestrus. J. Agrie. Sci., Camb., 60: 43-66.

View at Google Scholar

13.Gottsch, M.L., Murdoch, W.J. and Van Kirk, E.A. 2000. Tumour necrosis factor alpha upregulates matrix metalloproteinase-2 activity in preovulatory ovine follicles metamorphic and endocrine implications. J. Reprod. Fert. Develop., 12: 75-80.

View at Google Scholar

14.Hess S.Y. and Zimmermann M.B. 2004. The effect of micronutrient deficiencies on iodine nutrition and thyroid metabolism. Inter. J. Vit. Nutr. Res., 74: 103-115.

View at Google Scholar

15.Kandreze, C.T., Lelewelyn, C.A. and Chivandi, E. 1997. Plasma progesterone, calcium, magnesium and zinc concentrations from oestrus synchronization to weaning in indigenous goats in Zimbabwe. Small Rumin. Res., 24: 21-26.

View at Google Scholar

16.Keen, C.L. and Zidenberg-Cheer, S. 1990. Manganese. Pp: 279-268. In present knowledge in nutrition. M.L. Brown Ed International Life science Institute Nutrition Foundation Washington, D.C.

View at Google Scholar

17.Khanvilka, A.V. Shejal M.A., Rahane S.D. and Belhekar D.R. 2009. Breeding Practices in Sheep Farming, Vet. World, 2(1): 43-44.

View at Google Scholar

18.Khillare, K.P. 2007. Trace Minerals and Reproduction in Animals. Intas. Polivet., 8(2): 308-314.

View at Google Scholar

19.Kleemann, D.O. and Walker, S.K. 2005. Fertility in South Australian commercial Merino flocks: sources of reproductive wastage. Theriogenology, 63: 2075-2088,

View at Google Scholar

20.Knights, M., Hoehn T., Lewis, P.E. and E.K. Ins keep. 2001. Effectiveness of intravaginal progesterone inserts and FSH for inducing synchronized estrus and increasing lambing rate in anestrous ewes. J. Anim. Sci., 79: 1120-1131.

View at Google Scholar

21.Leyva, V., Bucknell, B.C. and Walton, J.S. 1998. Regulation of follicular activity and ovulation in ewes by exogenous pro-gestagen. Theriogenology, 50: 395-416.

View at Google Scholar

22.Maurya, V.P., Sejian, V., Kumar, D. and Naqvi, S.M.K. 2010. Effect of induced body condition score differences on sexual behavior, scrotal measurements, semen attributes, and endocrine responses in Malpura rams under hot semi-arid environment. Journal of Animal physiology and Animal Nutrition, 94: 308–317.

View at Google Scholar

23.McDowell, L.R.,Wilkinson, N., Madison, R. and Felix, T. 2007. Vitamins and minerals functioning as antioxidants with supplementation considerations. Florida Ruminant Nutrition Symposium. Best Western Gateway, Grand. Gainesville, FL, pp. 30–31.

View at Google Scholar

24.McClure, T.J., Eamens, G.J. and Healy, P.J. 1986. Improved fertility in dairy cows after treatment with selenium pellets. Aus. Vet. J., 63: 144-146.

View at Google Scholar

25.Monem, U.M.A. and El-Shahat, K.H. 2011. Effect of different dietary levels of inorganic zinc oxide on ovarian activities, reproductive performance of Egyptian Baladi ewes and growth of their lambs Bulgarian Journal of Veterinary Medicine, 14: 116– 123

View at Google Scholar

26.Naqvi, S.M.K., Krishnappa Balaganur and Davendra Kumar. 2017. Advances in reproductive strategies to increase the production of small ruminants National Seminar on ‘Small Ruminants: National Scope on Up scaling, Production to Products Value addition and their Safety, pp. 9-10.

View at Google Scholar

27.Rhodes, L. and Nathaniels, P.W. 1988. Comparison of a con-trolled internal drug release device containing progesterone with intravaginal medroxyprogesterone sponges for estrus synchronization in ewes. Theriogenology, 30: 831- 83.

View at Google Scholar

28.Satish Kumar. 2003. Management of infertility due to mineral deficiency in dairy animals”. In proceedings of ICAR summer school on Advance diagnostic techniques and therapeutic approaches to metabolic and deficiency diseases.

View at Google Scholar

29.Satish Kumar. 2003. Management of infertility due to mineral deficiency in dairy animals”. In proceedings of ICAR summer school on Advance diagnostic techniques and therapeutic approaches to metabolic and deficiency diseases.

View at Google Scholar

30.Underwood, E.J. 1981. The mineral nutrition of livestock commonwealth agriculture bureaus. London.

View at Google Scholar

31.Van Niekerk, F.E. and Van Niekerk, C.H. 1989. The influence of experimentally induced copper deficiency on the fertility of rams II. Macro and microscopic changes in the testes. J. South Afri. Vet. Assoc., 60: 28-31.

View at Google Scholar

32.Verma D.N. 1999. Livestock Production and Management in Tropic. Kalyani Publishers.

View at Google Scholar

33.Walkden-Brown, S.W., Martin, G.B. and Restall, B.J. 1999. Role of male-female interaction in regulating reproduction in sheep and goats. J. Reprod. Fert. Suppl., 54: 243–257.

View at Google Scholar

34.Wheaton, J.E., Carlson, K.M., Windels, H.F. and Johnston, L.J. 1993. CIDR, new progesterone releasing intra-vaginal de-vice for induction of estrous and cycle control in sheep and goats. Anim. Reprod. Sci., 33: 127-141.

View at Google Scholar

35.Wilde, D. 2006. Influence of macro and micro minerals in the periparturient period on fertility in dairy cattle. Animal Reproduction Science, 96: 240-249.

View at Google Scholar

36.Yamaguchi, S., Miura, C., Kikuchi, K., Celino, F.T., Agusa, T., Tanabe, S. and Miura, T. 2009. Zinc an essential trace element for spermatogenesis. Proceedings of the National Academy of Sciences of the United States of America, 106: 10859–10864.

View at Google Scholar

37.Yokus B., Cakir D., Icen, H., Durak, H. and Badem Kiran S. 2010. Prepartum and Postpartum Serum Mineral and Steroid Hormone Concentrations in Cows with Dystocia Veteriner Fakultesi Dergisi. 21(3): 185 – 190.

View at Google Scholar

38.Zarazaga, L.A., Guzman, J.L., Dominguez, C., Perez, M.C. and Prieto, R. 2004. Effect of plane of nutrition on seasonality of reproduction in Spanish Payoya goats. Animal Reproduction Science, 87: 253–267.

View at Google Scholar

@Theriogenology Insight(TI)| Printed by New Delhi Publishers

18481276 - Visitors since March 18, 2019