The effect of melatonin on lambing and litter size in milking ewes after advancing the breeding season with progestagen and PMSG followed by artificial insemination

Small Ruminant Research

Volumn 31, Issue 1, 1998, Pages 79-81

  Laliotis, V ^a   Vosniakou, A ^a   Zafrakas, A ^b   Lymberopoulos, A ^a   Alifakiotis, T ^b  

^a INSTITUTE OF TECHNOLOGY OF AGRICULTURAL PRODUCTS   (Greece)

^b ARISTOTLE UNIVERSITY OF THESSALONIKI   (Greece)

Author keywords

Artificial insemination; Melatonin; Milking ewe; PMSG; Progestagen

Indexed keywords

EID: 0345709653     PISSN: 09214488     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0921-4488(98)00108-4     Document Type: Article

References (6)

1. Alifakiotis, T., 1986. Increasing ovulation rate and lambing percentage by active immunization against androstenedione in dairy sheep breeds. Theriogenology 25, 681-688.
2. Chemineau, P., Melpaux, B., Delgadillo, J.A., Guerin, Y., Ravault, J.P., Thimonier, J., Pelletier, J., 1992. Control of sheep and goat reproduction: Use of light and melatonin. Anim. Repr. Sci. 30, 157-184.
3. Haresign, W., 1992. The effect of implantation of lowland ewes with melatonin on the time of mating and reproductive performance. Anim. Prod. 54, 31-39.
4. Laliotis, V., Vosniakou, A., Lymberopoulos, A., Doney, J.M., Kouimtzis, S., 1997. The effect of melatonin treatment in combination with progestagen pessaries on reproductive performance of ewes during the anoestrous period. Anim. Sci. 65, 71-74.
5. Robinson, T.J., 1968. The synchronization of the oestrous cycle and fertility. Proceedings of the Sixth Congress international de reproduction animale et insemination artificielle, vol. 11, pp. 1347-1382.
6. Staples, L.D., McPhee, S.R., Kennaway, D.J., Williams, A.M., 1992. The influence of exogenous melatonin of the seasonal patterns of ovulation and oestrus in sheep. Anim. Rep. Sci. 30, 185-222.