ARTÍCULOS
REFERENCIAS Anderson, L.L., Dyck, G.W., Mori, H., Henricks, D.M., Melampy, R.M., 1967. Ovarian function in pigs following hypophysial stalk transection or hypophysectomy. American Journal of Physiology. 212, 1188-1194. Jindal R, Cosgrove JR, Aherne FX, Foxcroft GR, 1996. Effect of nutrition on embryonal mortality in gilts: association with progesterone. Journal of Animal Science. 74, 620-624. Love, R.J., 1978. Definition of a seasonal infertility problem in pigs. Veterinary Record. 103, 443-446. Love, R.J., Evans, G., Klupiec, C., 1993. Seasonal effects on fertility in gilts and sows. [Review] [81 refs]. Journal of Reproduction & Fertility - Supplement. 48, 191-206. Love, R.J., Klupiec C, Thornton EJ, Evans G, 1995. An interaction between feeding rate and season affects fertility of sows. Animal Reproduction Science. 39, 275-284. Mattioli, M., Prandi, A., Camporesi, A., Simoni, A., Seren, E., 1987. Investigation on swine summer infertility in Italy. In Definition of the summer infertility problem in the pig, Comission of the European Communities. 33-34. Paterson, A.M., Pearce, G.P., D'Antuono, M.F., 1991. Seasonal variation in attainment of puberty in isolated and boar- exposed domestic gilts. Animal Reproduction Science. 24, 323-333. Peltoniemi OAT, Easton BG, Love RJ, Klupiec C, Evans G, 1995. Effect of chronic treatment with a GnRH agonist (Goserelin) on LH secretion and early pregnancy in gilts. Animal Reproduction Science. 40, 121-133. Peltoniemi OAT, Heinonen, M., Leppavuori, A., Love RJ, 1999. Seasonal effects on reproduction in the domestic sow in Finland-A herd record study. Acta Veterinaria Scandinavica. 40, 133-144. Peltoniemi OAT, Tast, A., Love RJ, 2000. Factors effecting reproduction in the pig:seasonal effects and restricted feeding of the pregnant gilt and sow. Animal Reproduction Science. 60-61, 173-184.
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Peltoniemi, O.A.T., Love, R.J., Heinonen, M., Tuovinen, V., Saloniemi, H., 1999. Seasonal and management effects on fertility of the sow: a descriptive study. Animal Reproduction Science. 55, 47-61. Peltoniemi, O.A.T., Tast, A., Love, R.J., 2000. Seasonal, environmental and nutritional effects on gonadotrophins - Implications for establishment and maintenance of early pregnancy in the pig. Reproduction in Domestic Animals. 96-100. Razdan, P., Mwanza, A.M., Kindahl, H., RodriguezMartinez, H., Hulten, F., Einarsson, S., 2002. Effect of repeated ACTH-stimulation on early embryonic development and hormonal profiles in sows. Animal Reproduction Science. 70, 127-137. Tantasuparuk, W., Lundeheim, N., Dalin, A.M., Kunavongkrit, A., Einarsson, S., 2000. Reproductive performance of purebred Landrace and Yorkshire sows in Thailand with special reference to seasonal influence and parity number. Theriogenology. 54, 481-496. Tast, A., 2002. Endocrinological basis of seasonal infertility. University of Helsinki. Tast, A., Hälli, O., Virolainen, J.V., Oravainen, J., Heinonen, M., Peltoniemi OAT, 2005. An attempt to develop a simplified artificial lighting programme for commercial piggeries to improve fertility of sows. Veterinary Record. Tast, A., Love RJ, Clarke, I.J., Evans G, 2000. Effects of active and passive gonadotrophin-releasing hormone immunization and establishment of pregnancy in pigs. Reproduction, Fertility and Development. 12, 1-6. Tast, A., Love, R.J., Evans G, Telsfer, S., Giles, R., Nicholls, P., Voultsios, A., Kennaway, D.J., 2001a. The pattern of melatonin secretion is rhythmic in the domestic pig and responds rapidly to changes in daylength. Tast, A., Love, R.J., Evans, G., Andersson, H., Peltoniemi, O.A., Kennaway, D.J., 2001b. The photophase light intensity does not affect the scotophase melatonin response in the domestic pig. Anim Reprod. Sci. 65, 283-290.
Tast, A., Peltoniemi, O.A., Virolainen, J.V., Love, R.J., 2002a. Early disruption of pregnancy as a manifestation of seasonal infertility in pigs. Anim Reprod. Sci. 74, 75-86. Tast, A., Peltoniemi, O.A.T., Virolainen, J.V., Love, R.J., 2002b. Early disruption of pregnancy as a manifestation of seasonal infertility in pigs. Animal Reproduction Science. 74, 75-86. Tummaruk, P., Lundeheim, N., Einarsson, S., Dalin, A.M., 2000. Reproductive performance of purebred Swedish Landrace and Swedish Yorkshire sows: I. Seasonal variation and parity influence. Acta Agriculturae Scandinavica Section A-Animal Science. 50, 205-216. Turner, A.I., Hemsworth, P.H., Tilbrook, A.J., 2005. Susceptibility of reproduction in female pigs to impairment by stress or elevation of cortisol. Domest. Anim Endocrinol. 29, 398-410. Virolainen, J.V., Love, R.J., Tast, A., Peltoniemi, O.A., 2004a. Effect of a gonadotrophin-releasing hormone antagonist on luteinising hormone secretion and early pregnancy in gilts. Reprod. Fertil. Dev. 15, 451-459. Virolainen, J.V., Love, R.J., Tast, A., Peltoniemi, O.A., 2005a. Plasma progesterone concentration depends on sampling site in pigs. Anim Reprod. Sci. 86, 305-316. Virolainen, J.V., Peltoniemi, O.A., Munsterhjelm, C., Tast, A., Einarsson, S., 2005b. Effect of feeding level on progesterone concentration in early pregnant multiparous sows. Anim Reprod. Sci. 90, 117-126. Virolainen, J.V., Tast, A., Sorsa, A., Love, R.J., Peltoniemi, O.A., 2004c. Changes in feeding level during early pregnancy affect fertility in gilts. Anim Reprod. Sci. 80, 341-352. Virolainen, J.V., Tast, A., Sorsa, A., Love, R.J., Peltoniemi, O.A., 2004b. Changes in feeding level during early pregnancy affect fertility in gilts. Anim Reprod. Sci. 80, 341-352. Xue, J.L., Dial, G.D., Marsh, W.E., Davies, P.R., 1994. Multiple manifestations of season on reproductive performance of commercial swine. Journal of the American Veterinary Medical Association. 204, 1486-1489.