Improved Reproductive Efficiency in Beef Cattle under Tropical and Sub- Tropical Environments

  • Alragubi SM
Keywords: Effect of Sperms Quality, Beef Cattle’s, Cattle Fertility Percentage, Breeding Soundness, Sperm Defects

Abstract

The majority of the world's ox-like crowd is found in tropical districts. Manager records prevail, because of their adjustment to the atmosphere and the executives conditions. Anestrous is the primary factor that adversely influences conceptive presentation of creatures reproduced in these locales of the globe. A few components influence baby blues anestrous, including nursing and maternal-posterity bond, and pre-and baby blues dietary status. The brief span of estrus and the propensity to show estrus during the night, extraordinarily influence the effectiveness of manual semen injection (AI) programs in B. indicus dairy cattle oversaw in tropical territories. A few confined nursing or weaning methodology (brief or changeless), and hormonal medicines have been utilized to prompt ovulation and cyclicity in baby blues bovines. Most hormonal medicines depend on progesterone/progestogen (P4) discharging gadgets related with estradiol benzoate (EB), or a mix of GnRH/PGF2α/GnRH (Ovsynch). Medicines with GnRH/PGF2α/GnRH have introduced conflicting outcomes, presumably because of the variable number of bovines in anestrous. Medicines utilizing P4 gadgets and EB have brought about evidently more reliable outcomes than Ovsynch programs in B. indicus steers; notwithstanding, pregnancy rates are low in groups introducing high anestrous rates and moderate to low body condition. The expansion of an eCG treatment at the hour of gadget evacuation, which expanded plasma progesterone focuses and pregnancy rates in anestrous baby blues nursed B. indicus dairy animals, might be helpful to improve conceptive execution of meat steers in tropical atmospheres.

Downloads

Download data is not yet available.

References

Monteiro, B. M., & Viana, R. B. (2011). Estado da arte da inseminação artificial em tempo fixo em gado de corte no Brasil. Revista de Ciências Agrárias, 54(1), 91–99. https://doi.org/10.4322/rca.2011.043

Barros, C.M., Fernandes, P., Nogueira, M.F.G., (2000). Controle farmacológico do ciclo estral e superovulação emzebuı́nos de corte. In: Proceedings do 1°. Simpósio. sobre Controle Farmacológico do Ciclo Estral de Ruminantes, SãoPaulo, pp. 158–189.

Baruselli, P. S., Marques, M. O., Carvalho, N. A. T., Madureira, E. H., & Campos Filho, E. P. (2002). Efeito de diferentes protocolos de inseminação artificial em tempo fixo na eficiência reprodutiva de vacas de corte lactantes. Revista Brasileira de Reprodução Animal, 26(3), 218-221.

Baruselli, P. S., Reis, E. L., Marques, M. O., Nasser, L. F., & Bó, G. A. (2004). The use of hormonal treatments to improve reproductive performance of anestrous beef cattle in tropical climates. Animal Reproduction Science, 82–83, 479–486. https://doi.org/10.1016/j.anireprosci.2004.04.025

Nogueira, É., Batista, D. S. do N., Costa Filho, L. C. C. da, Dias, A. M., Silva, J. C. B., & Ítavo, L. C. V. (2014). Pregnancy rate in lactating Bos indicus cows subjected to fixed-time artificial insemination and treated with different follicular growth inducers. Revista Brasileira de Zootecnia, 43(7), 358–362. https://doi.org/10.1590/S1516-35982014000700003

Bertam Membrive, C.M., (2000). Estudo da sincronização das ondas foliculares e das caracterı́sticas de estro, porradiotelemetria, em novilhas cruzadas (Bos taurus indicus × Bos taurus taurus) tratadas com acetato de melengestrole prostaglandina F2a associados a hCG, GnRH ou 17β estradiol+progesterona, Master Thesis. Universidade de SãoPaulo, São Paulo, SP.

Bó, G. A., Baruselli, P. S., & Martı́nez, M. F. (2003). Pattern and manipulation of follicular development in Bos indicus cattle. Animal Reproduction Science, 78(3–4), 307–326. https://doi.org/10.1016/S0378-4320(03)00097-6

Breuel, K. F., Lewis, P. E., Inskeep, E. K., & Butcher, R. L. (1993). Endocrine profiles and follicular development in early-weaned postpartum beef cows. Reproduction, 97(1), 205–212. https://doi.org/10.1530/jrf.0.0970205

Cutaia, Lucas & Tríbulo, R. & Moreno, D. & Bo, Gabriel. (2003). Pregnancy rates in lactating beef cows treated with progesterone releasing devices, estradiol benzoate and equine chorionic gonadotropin (eCG). Theriogenology. 59.

Cutaia, L., Veneranda, G., Trı́bulo, R., Baruselli, P.S., Bó, G.A., (2003b). Programas de inseminación artificial a tiempofijo en rodeos de crı́a: factores que lo afectan y resultados productivos. In: Proceedings 5°. Simposio Internacional deReproducción Animal, Córdoba, Argentina, pp.119–132.

DeRouen, S. M., Franke, D. E., Morrison, D. G., Wyatt, W. E., Coombs, D. F., White, T. W., Humes, P. E., & Greene, B. B. (1994). Prepartum body condition and weight influences on reproductive performance of first-calf beef cows. Journal of Animal Science, 72(5), 1119–1125. https://doi.org/10.2527/1994.7251119x

Diskin, M. G., Austin, E. J., & Roche, J. F. (2002). Exogenous hormonal manipulation of ovarian activity in cattle. Domestic Animal Endocrinology, 23(1–2), 211–228. https://doi.org/10.1016/S0739-7240(02)00158-3

D’Occhio, M. J., Neish, A., & Broadhurst, L. (1990). Differences in gonadotrophin secretion post partum between Zebu and European breed cattle. Animal Reproduction Science, 22(4), 311–317. https://doi.org/10.1016/0378-4320(90)90023-9

Fernandes, P., Teixeira, A. B., Crocci, A. J., & Barros, C. M. (2001). Timed artificial insemination in beef cattle using Gn RH agonist, PGF2alpha and estradiol benzoate (EB). Theriogenology, 55(7), 1521–1532. https://doi.org/10.1016/S0093-691X(01)00499-X

Fike, K. E., Day, M. L., Inskeep, E. K., Kinder, J. E., Lewis, P. E., Short, R. E., & Hafs, H. D. (1997). Estrus and luteal function in suckled beef cows that were anestrous when treated with an intravaginal device containing progesterone with or without a subsequent injection of estradiol benzoate. Journal of Animal Science, 75(8), 2009. https://doi.org/10.2527/1997.7582009x

Galina, C. S., Orihuela, A., & Rubio, I. (1996). Behavioural trends affecting oestrus detection in Zebu cattle. Animal Reproduction Science, 42(1–4), 465–470. https://doi.org/10.1016/0378-4320(96)01491-1

Henao, G., Olivera-Ángel, M., & Maldonado-Estrada, J. G. (2000). Follicular dynamics during postpartum anestrus and the first estrous cycle in suckled or non-suckled Brahman (Bos indicus) cows. Animal Reproduction Science, 63(3–4), 127–136. https://doi.org/10.1016/S0378-4320(00)00173-1

Macmillan, K. L., Segwagwe, B. V. E., & Pino, C. S. (2003). Associations between the manipulation of patterns of follicular development and fertility in cattle. Animal Reproduction Science, 78(3–4), 327–344. https://doi.org/10.1016/S0378-4320(03)00098-8

Marques, M.O., Reis, E.L., Campos Filho, E.P., Baruselli, P.S., (2003). Efeitos da administração de eCG e de Benzoatode Estradiol para sincronização da ovulação em vacas zebuı́nas no perı́odo pósparto.In: Proceedings 5°. SimposioInternacional de Reproducción Animal, Córdoba, Argentina. pp. 392.

Mizuta, K., (2003). Estudo comparativo dos aspectos comportamentais do estro e dos teores plasmáticos de LH, FSH,progesterona e estradiol que precedem a ovulação em fêmeas bovinas Nelore (Bos taurus indicus), Angus (Bostaurus taurus) e Nelore × Angus (Bos taurus indicus × Bos taurus taurus). PhD Thesis. Universidade de São Paulo,São Paulo, SP.

Murphy, M. G., Boland, M. P., & Roche, J. F. (1990). Pattern of follicular growth and resumption of ovarian activity in post-partum beef suckler cows. Reproduction, 90(2), 523–533. https://doi.org/10.1530/jrf.0.0900523

Pinheiro, O. L., Barros, C. M., Figueiredo, R. A., do Valle, E. R., Encarnação, R. O., & Padovani, C. R. (1998). Estrous behavior and the estrus-to-ovulation interval in nelore cattle (with natural estrus or estrus induced with prostaglandin F2α or norgestomet and estradiol valerate. Theriogenology, 49(3), 667–681. https://doi.org/10.1016/S0093-691X(98)00017-X

Rhodes, R. C., Randel, R. D., & Harms, P. G. (1978). Reproductive studies of Brahman cattle IV. Luteinizing hormone levels in ovariectomized Brahman, Brahman × Hereford and Hereford cows following a 20 mg dose of Estradiol-17β. Theriogenology, 10(6), 429–437. https://doi.org/10.1016/0093-691X(78)901

Published
2020-07-30
How to Cite
Alragubi SM. (2020). Improved Reproductive Efficiency in Beef Cattle under Tropical and Sub- Tropical Environments. International Journal for Research in Applied Sciences and Biotechnology, 7(4), 114-119. https://doi.org/10.31033/ijrasb.7.4.14
Section
Articles