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Abstract

The aim of this clinical trial was to quantify the results of pregnancy after treating trypanotolerant N'Dama female cattle (n=168) with a progesterone-releasing intravaginal device (CIDR; 1.38 g of progesterone) inserted for seven days. An intramuscular (IM) prostaglandin injection (500 µg of...

Author(s)
W'otari, M. O. M.; Hanzen, C.
Publisher
CIRAD-EMVT (Département d'Élevage et de Médecine Vétérinaire du CIRAD), Cachan Cedex, France
Citation
Revue d'Élevage et de Médecine Vétérinaire des Pays Tropicaux, 2016, 69, 2, pp 73-78
Abstract

This review presents various techniques of definitions optimum time of insemination. We have considered the principle of work, pluses and minuses of such methods as vaginal cytology, definition of concentration of progesterone, use the Dog detector ovulation, ultrasonography of ovaries, vaginal...

Author(s)
Plemyshov, K. V.; Plakhova, A. I.
Publisher
Sankt-Peterburgskaya gosudarstvennaya akademiya veterinarnoy meditsiny, St Petersburg, Russia
Citation
Mezhdunarodnyy vestnik veterinarii, 2018, No.2, pp 106-112
Abstract

This review was carried out with the purpose of describing the main reproductive management used in the rearing of pigs. Currently, swine breeding in Brazil has average production parameters of 9.5 piglets/calving with 1.9 calving/year, with a genetic potential to reach 13 piglets/calving with 2.6...

Author(s)
Fabino Neto, R.; Sousa, J. P. B. de; Costa, L. F. X.; Marques, D. P.; Oliveira, I. L. da S.; Silva, I. C. A.; Godoy, M. M. de; Pessoa, F. O. A.
Publisher
Universidade do Oeste Paulista (UNOESTE), Sao Paulo, Brazil
Citation
Colloquium Agrariae, 2017, 13, Especial 2, pp 41-50
AbstractFull Text

The study was conducted to determine the effect of GnRH (Buserelin Acetate) administration as a therapy for repeat breeding syndrome in cows. A total of fifty repeat breeder cows with regular estrus cycle, clear vaginal discharge and suffering from ovulatory dysfunction were selected. White side...

Author(s)
Mohteshamuddin, K.
Publisher
Nigerian Veterinary Medical Association, National Veterinary Research Institute, Vom, Nigeria
Citation
Nigerian Veterinary Journal, 2017, 38, 4, pp 350-352
AbstractFull Text

The timing of artificial insemination relies largely on behavioral observation of estrus. The problem faced is that not all cattle shows signs of estrus significantly, which affect the accuracy of insemination, and therefore, the success rate of Artificial Insemination is less than 50%. Recently,...

Author(s)
Astuti, P.; Airin, C. M.; Widiyanto, S.; Sjahfirdi, L.; Maheshwari, H.
Publisher
Redaksi Jurnal Veteriner, Denpasar, Indonesia
Citation
Jurnal Veteriner, 2016, 17, 4, pp 477-483
Abstract

The objective of this study was to evaluate the conception rate of crossbred heifers (n=50) and cows (n=50) inseminated with sexed and conventional semen between 18 and 24 hours after estrous detection. The synchronization protocol of the estrous cycle started on day zero (D0) by inserting the...

Author(s)
Peres, A. R.; Ifran, A. M.; Lima, M. R. de; Rossi, G. F.; Corrêa, R. R.; Garcia, J. M.
Publisher
Faculdade de Veterinaria, Universidade Federal Fluminense, Niterói, Brazil
Citation
Revista Brasileira de Ciência Veterinária, 2016, 23, 3/4, pp 186-190
Abstract

Fecal corticosterone concentration (FCC) was measured in 14 buck rabbits individually housed in standard-dimension cages (SC) or in bigger cages (BC; with a volume more than double that of SC and equipped with a plastic foot mat) during 4 consecutive reproductive cycles. Cage type and reproductive...

Author(s)
Cornale, P.; Macchi, E.; Renna, M.; Prola, L.; Perona, G.; Mimosi, A.
Publisher
Routledge, Philadelphia, USA
Citation
Journal of Applied Animal Welfare Science, 2016, 19, 1, pp 90-96
AbstractFull Text

The success of a fixed-time artificial insemination (FTAI) program depends on a high ovulation rate during a short interval. Equine chorionic gonadotropin (eCG) has been used in FTAI protocols to improve follicular growth and thereby to produce larger, more responsive follicles for ovulation with...

Author(s)
Manshadi, M. M.; Rastegarnia, A.; Sani, S. E.
Publisher
Islamic Azad University, Rasht, Iran
Citation
Iranian Journal of Applied Animal Science, 2016, 6, 3, pp 557-562
Abstract

To investigate the influence of the age of bulls at semen production on the non-return rate 56 days after first insemination 39 AI-bulls were investigated. Because of the small sample size for the individual ejaculates the non-return rate included data from first to third breeding services. These...

Author(s)
Melbaum, J.; Schwerhoff, M.; Gehrmeyer, D.; Melbaum, H.; Wassmuth, R.
Publisher
Eugen Ulmer KG, Stuttgart, Germany
Citation
Züchtungskunde, 2016, 88, 5, pp 371-378
Abstract

The main problem restricting the wide use of reproductive biotechnology in animal husbandry is insufficiently developed methods for selection of donor cows for embryo transfer. The objective reason is the variability of the ovarian response to gonadotropins injections. Until now, there is no...

Author(s)
Brigida, A. V.; Sorokin, V. I.; Kovalchuk, S. N.; Pantiukh, K. S.; Rukin, I. V.; Rozhin, K. A.
Publisher
Agricultural Biology Editorial Office, NPO, Moscow, Russia
Citation
Sel'skokhozyaĭstvennaya Biologiya, 2018, 53, 4, pp 753-761

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