Andrews E. D., Hartley W. J., & Grant A. B. (1968). Selenium responsive diseases of animals in New Zealand. N. Z. Vet. J., 16, 3-17.
Basini G. & Tamanini C. (2000). Selenium stimulates estradiol production in bovine granulosa cells: Possible involvement of nitric oxide. Domest. Anim. Endoc., 18, 1–17.
Çağdaş, K., Orman, A, Topal E, & Çarkungöz, E. (2010). Effects of supplementary nutrition in Awassi ewes on sexual behaviors and reproductive traits. J. Biol. Enviro. Sci., 4(10), 15-21.
Carter, C. S. (1992). Neuroendocrinology of sexual behavior in the female. In: Behavioral Endocrinology, (Eds.: J. B. Becker, S. M. Breedlove, & D. Crews). MIT Press, Cambridge, pp. 71– 96.
Daghighkia H., Mohamadi Chapdareh, W., Hossein Khani A., Moghaddam G., Rashid A., Sadri H., & Alijani, S. (2011). Effects of flushing and hormonal treatment on reproductive performance of Iranian Markhoz goats. J. Anim. Physiol. Anim. Nut. doi: 10.1111/j.1439-0396.2011.01234.x.
Davis, G. K. & Mertz, W. (1987). Copper. In: Trace Elements in Human and Animal Nutrition, 5th ed., (Ed.: W. Mertz). Academic Press, San Diego, pp. 301–364.
Gardner, D. S., Buttery P. J., Daniel, Z., & Symonds, M. E. (2007). Factors affecting birth weight in sheep: Maternal environment. J. Reprod. Fertil., 133: 297–307.
Hambidge, K. M., Casey, C. E., & Krebs, N. F. (1986). Zinc. In: Trace Elements in Human and Animal Nutrition, 4th ed., (Ed.: W. Mertz). Academic Press, San Diego, pp. 1–37.
Harrison, J. H., Hancock, D. D., & Conrad, H. R. (1984). Vitamin E and selenium for reproduction of the dairy cow. J. Dair. Sci., 67, 123–132.
Hartley, E. D., Grant, A. B. (1961). A review of selenium responsive diseases in New Zealand livestock. Fed. Proc., 20, 679-688.
Hartley, W. J. (1963). Selenium and ewe fertility. Proc. N. Z. Soc. Anim. Prod., 23, 20-27.
Hemingway, R. G. (1998). Supplying trace elements to cattle. Feed mix., 6 (4), 8-10.
Hidiroglou, M. (1979a). Trace element deficiencies and fertility in ruminants: A review. J. of Dairy Sci., 62, 1195–1206.
Hidiroglou, M. (1979b). Manganese in ruminant nutrition. Can J. Anim. Sci., 59, 217–236.
Hostetler, C. E., Kincaid, R. L., & Mirando, M. A. (2003). The role of essential trace elements in embryonic and fetal development in livestock. The Vet J., 166, 125–139.
Hurley, L. S. & Keen, C. L. (1987). Manganese. In: Trace elements in human and animal nutrition, 5th ed., (Ed.: W. Mertz). Academic Press, San Diego, pp. 185–223.
Hurley, W. L. & Doane, R. M. (1989). Recent development in the role of vitamins and minerals in reproduction. J. Dair. Sci., 72, 784–804.
Jahani-Moghadam, M., Amanlou, H, & Nikkhah, A. (2008). Metabolic and productive response to ruminal protein degradability in early lactation cows fed untreated or xylose-treated soybean meal-based diets. J. Anim. Physiol. Anim. Nut. doi: 10.1111/j.1439-0396.2008.00867.x.
Katz, L. S. & McDonald, T. J. (1992). Sexual behavior of farm animals. Theriogenology, 38, 239–253.
Margaret, M., McCarthy, M., Jill, B., & Becker, R. (2002). Neuroendocrinology of sexual behavior in the femals. J. Dair. Sci., pp117- 140.
Martin, G. B., Milton, J. T. B., Davidson, R. H., Banchero Hunzicker, G. E., Lindsay, D. R., & Blache, D. (2004). Natural methods for increasing reproductive efficiency in small ruminants. Anim Rep Sci., 82–83, 231–246.
McClure, T. J. (1994). Nutritional and metabolic infertility in the cows (1st Ed.) Cab. International: London, P. 47.
Meschy, F. (2000). Recent progress in the assessment of mineral requirements of goats. Livest Prod Sci., 64, 9-14.
Morali, G. & Beyer, C. (1979). Neuroendocrine control of mammalian estrous behavior. In: Endocrine control of sexual behavior, (C. Beyer Ed.). New York: Raven Press, pp. 33–75.
Murray, A. A., Molinek, M. D., Baker, S. J., Kojima, F. N., Smith, M. F., Hillier, S. G., & Spears, N. (2001). Role of ascorbic acid in promoting follicle integrity and survival in intact mouse ovarian follicles in vitro. J. Reprod. Fertil., 121, 89–96.
Pfaff, D. W. (1999). Hormone-Controlled Drives. In: Drive: Neurobiological and molecular mechanisms of sexual motivation, (Ed. D.W. Pfaff). MIT Press, Cambridge, pp. 48–51.
Pillon, D., Caraty, A., Fabre-Nys, C., & Bruneau, G. (2003). Short-term effect of oestradiol on neurokinin BMRNA expression in the infundibular nucleus of ewes. J. Neuroendocrinol., 15, 749–753.
Seifi, H. A., Farzaneh, N., & Mohri, M. (2005). Relationships between fertility, serum calcium and inorganic phosphorus in dairy cows. Iranian Journal of Veterinary Research, university of Shiraz, 6 (2), 12.
Smith, O. B. & Akinbamijo, O. O. (2000). Micronutrients and reproduction in farm animals. Anim Rep Sci. 60–61,549–560.
Tavakkolian, J. (2000). An introduction to genetic resources of native farm animal in Iran. Dep of Ani Scie, Anim. Sci. Rese. Ins, Karaj, Iran.
Tilbrook, A. J., Hemsworth, P. H., Topp, J. S., & Cameron, A. W. N. (1990). Parallel changes in the proce ptive and receptive behaviour of the ewe. Appl. Anim. Beh. Sci., 27, 73–92.
Whaley, S. L., Hedgpeth, V. S., & Britt, J. S. (1997). Evidence that injection of vitamin A before mating may improve embryo survival in gilts fed normal or high energy diets. J. Anim. Sci., 75, 1071–1077.