12.11 REFERENCIAS

• Aguilar, M.M., Galina, C.S., Merchant, H., Montiel, F.,Canseco, R., Márquez, Y.C. (2002) Comparison of stereoscopy, light microscopy and ultrastructural methods for evaluation of bovine embryos. Reproduction in Domestic Animals. 37: 341-346.
• Blockey, M.A. de B. (1979) Observations on group mating of bulls at pasture. Applied Animal Ethology. 5: 15.
• Bolaños, J. M., Galina, C. S., Estrada, S. and Forsberg, M. (1997) Resumption of post-partum ovarian activity monitored by plasma progesterone in anestrous Zebu (Bos indicus) cattle following temporary weaning and progestogen treatment. Reproduction in Domestic Animals. 32: 267.
• Chenoweth, P.J.; Chase , C.C; Larsen, R.E.; Thatcher, M. J.D.; Wilcox, C.J. (1996) Breed and Others Effects on Reproductive Traits and Breeding Soundness Categorization in Young Beef Bulls in Florida. Theriogenology. 46: 1159.
• Galina, C. S., Arthur, G. H. (1989) Review of cattle reproduction in the tropics. Part 1. Puberty and age at first calving. Animal Breeding Abstracts. 57: 583.
• Galina, C. S., Arthur, G. H. (1989) Review of cattle reproduction in the tropics. Part 2. Parturition and calving intervals. Animal Breeding Abstracts. 57: 679.
• Galina, C. S., Arthur G. H. (1989) Review of cattle reproduction in the tropics. Part 3. Puerperium. Animal Breeding Abstracts. 57: 899.
• Galina, C. S., Arthur, G. H. (1990) Review of cattle reproduction in the tropics. Part 4. Oestrous cycles. Animal Breeding Abstracts. 58: 697.
• Galina, C. S., Arthur G. H. (1990) Review of cattle reproduction in the tropics. Part 5. Fertilization and Pregnancy. Animal Breeding Abstracts. 58: 805.
• Galina, C. S., Arthur, G. H. (1991) Review of cattle reproduction in the tropics. 6. The Male. Animal Breeding Abstracts. 59: 403.
• Guzmán-Vega, G. A., Gazal, O. S., Zocchi, C., Leshin, S. L., Anderson, L. L. and Williams, G. L. (1996) Roles of estradiol-17®, genital stimulation, and central oxytocin release in the development of maternal behavior in heifers. Journal of Animal Science. 74 (Suppl. 1): 224.
• Hanzen, C. (1986) Endocrine regulation of postpartum ovarian activity in cattle: a review. Reproduction Nutrition Development. 26: 1219.
• Hoffman, D. P., Stevenson, J. S. and Minton, J. E. (1996) Restricting calf presence without suckling compared with weaning prolongs postpartum anovulation in beef cattle. Journal of Animal Science. 74: 190.
• Jolly, P.D., McDougall, S., Fitzpatrick, L.A., Macmillan, K.L., Entwistle, K.W. (1995) Physiological effects of undernutrition on postpartum anoestrus in cows. Journal of Reproduction and Fertility. (Suppl.) 49: 477.
• Lamb, G. C., Lynch, J. M., Grieger, D. M., Minton, J. E. and Stevenson, J. S. (1997) Ad libitum suckling by an unrelated calf in the presence or absence of a cow`s on calf prolongs postpartum anovulation. Journal of Animal Science. 75: 2762.
• Lamb, G. C., Miller, B. L., Lynch, J. M., Thompson, K. E., Heldt, J. S., Loest, C. A., Grieger, D. M. and Stevenson, J. S. (1999) Twice daily suckling but not milking with calf presence prolongs postpartum anovulation. Journal of Animal Science. 77: 2207
• Maquivar, M., Galina, C. S., Orihuela, A. (2002) Cows treated with Synchromate-B may cluster their sexual behaviour independent of follicular growth at the time of oestrus. Physiology & Behavior. 76: 199.
• Mattoni, M., Mukasa-Mugerwa, G., Cecchini, G. and Sovani, S. (1988) The reproductive performance of East African (Bos indicus) zebu cattle in Ethiopia 1: Estrous cycle length, duration, behaviour and ovulation time. Theriogenology. 30: 961.
• Molina, R., Bolaños, I., Galina, C.S., Pérez, E., Paniagua, G., Estrada, S. (2001) Sexual behaviour of Zebu bulls in the humid tropics of Costa Rica: single versus multiple sire groups. Animal Reproduction Science. 64: 139.
• Molina, R., Galina, C. S., Camacho, J., Maquivar, M., Díaz, G. S., Estrada, S., Martínez, L. (2002) Effect of alternating bulls as a management tool to improve the reproductive performance of suckled Zebu cows in the humid tropics of Costa Rica. Animal Reproduction Science. 69: 159.
• Moore, C. P. (1984) Early weaning for increased reproduction rates in tropical beef cattle. World Animal Review. 49: 39.
• Moraes, J.C.F.; Jaume, C.M.; Souza, C.J.H. (2007) Body condition score to predict the postpartum fertility of crossbred beef cows. Pesquisa Agropecuária Brasileira. v. 42, n.5: 741-746.
• Moraes, J.C.F.; Souza, C.J.H. (2015) Fertilidade pós-parto de vacas de corte criadas em clima subtropical no sul do Brasil. Embrapa Pecuária Sul. 130: 31.
• Mukasa-Mugerwa, E., Tegegne, A. and Franceschini, R. (1991) Influence of suckling and continuous cow-calf association on the resumption of postpartum ovarian function in Bos indicus cows monitored by plasma progesterone profiles. Reproduction Nutrition Development. 71: 241.
• Oliveira, J.F.C.; Neves, J.P.; Moraes, J.C.F.; Gonçalves, P.B.D. (2002) Caracterização de aspectos produtivos de vacas Brangus Ibagé com distintos graus de fertilidade. Ciência Rural. v.32, n.4.
• Solano, J., Orihuela, A., Galina, C.S., Montiel, F. (2000) Sexual behaviour of Zebu cattle (Bos indicus) following oestrus induction by Synchro-Mate B , with or without oestrogen injection. Physiology & Behavior. 71: 503.
• Sommerville, S.H., Lowman, B.G., Deas, D.W. (1979) The effect of plane of nutrition during lactation on the reproductive performance of beef cows. Veterinary Record. 104: 95.
• Stagg, K., Diskin, M.G., Sreenan, J.M., Roche, J.F. (1995) Follicular development in long-term anoestrus suckler beef cows fed two levels of energy postpartum. Animal Reproduction Science. 38: 49.
• Vaca, L.A., Galina, C.S., Fernández-Baca, S., Escobar, F.J.,Ramírez, B. (1983) Progesterone levels and its relationship with the diagnosis of a corpus luteum by rectal palpation during the estrous cycle in Zebu cows. Theriogenology. 20: 67.
• Webb, R., Armstrong, D.G. (1998) Control of ovarian function, effect of local interaction and environmental influence turnover in cattle: a review. Livestock Production Science. 53: 95.
• Williams, Ch.B., Benett, G.L., Keele, J.W. (1995) Simulated influence of post weaning production system on performance of different biological types of cattle: I Estimation of model parameters. Journal of Animal Science. 73: 665.
• Williams, Ch.B., Benett, G.L., Keele, J.W. (1995) Williams, Ch.B., Benett, G.L., Keele, J.W. 1995 Simulated influence of post weaning production system on performance of different biological types of cattle: II Carcass composition, retail product, and quality. Journal of Animal Science. 73: 674.