References
- Abecia, J.A., PalacϬn, I., Forcada, F., Valares, J.A., 2006. The effect of melatonin treatment on the ovarian response of ewes to the ram effect. Domest. Anim. Endocrinol. 3: 152–162.
- Barrett, P., Conway, S., Jockers, R., Strosberg, A.D., Guardiola-Lemaitre, B., Delagrange, P., Morgan, P.J., 1997. Cloning and functional analysis of a polymorphic variant of the ovine Mel 1a melatonin receptor. Biochim. Biophys. Acta 1356: 299–307.
- Boutin, J.A., Audinot, V., Ferry G., Delagrange P., 2005. Molecular tools to study melatonin pathways and actions. Trends Pharmacol. Sci. 26:412–419.
- Carcangiu, V., Mura, M.C., Vacca, G.M., Bini, P.P., 2005. Influence of body weight on reproductive activity in Sarda female lambs. Ital. J. Anim. Sci., 4(Suppl 2):327–329.
- Carcangiu, V., Vacca, G.M., Mura, M.C., Dettori, M.L., Pazzola, M., Luridiana, S., Bini, P.P., 2009. Relationship between MTNR1A melatonin receptor gene polymorphism and seasonal reproduction in different goat breeds. Anim. Reprod. Sci. 110:71–78.
- Dyrmundsson, O.R., 1981. Natural factors affecting puberty and reproductive performance in ewe lambs: A review. Livest. Prod. Sci. 8:55–65.
- Haresign, W., Peters, A.R., Staples, L.D., 1990. The effect of melatonin implants on breeding activity and litter size in commercial sheep flocks in the UK. Anim. Prod. 50:111–121.
- Kennaway, D.J., Gilmore, T.A., Dunstan, E.A., 1985. Pinealectomy delays puberty in ewe lambs. J. Reprod. Fertil. 74:119–125.
- Messer, A.L., Wang, L., Tuggle, Ch.K., Yerle, M., Chardon, P., Pomp, D., Womack, J.E., Barendse, W., Crawford, A.M., Notter, D.R., Rothschild, M.F., 1997. Mapping of the melatonin receptor 1a (MTNR1A) gene in pigs, sheep, and cattle. Mamm. Genome. 8:36 8–370.
- Notter, D.R., Cockett, N.E., 2005. Opportunities for detection and use of QTL influencing seasonal reproduction in sheep: a review. Genet. Sel. Evol. 37:S39 -S53 .
- Nowak, R., Rodway, R.G., 1985. Effect of intravaginal implants of melatonin on the onset of ovariam activity in adult and prepubertal ewes. J. Reprod. Fertil. 74:287–2933.
- Reppert, S.T., Weaver, D.R., Ebisawa, T., 1994. Cloning and characterization of a mammalian melatonin receptor that mediates reproductive and circadian responses. Neuron. 13: 1177–1185.
- Sunderland, S.J., O’Callaghan, D., Boland, M.P., Roche, J.F., 1995 . Effect of photoperiod before and after birth on puberty in ewe lambs. Biol. Reprod. 53: 1178–1182.