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Animal Science Database

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Abstract

The aim of this research was to evaluate the effect of recombinant bovine somatotropin (bST) on pregnancy per artificial insemination (P/AI), cellular composition of the corpus luteum (CL) and endometrial gland morphometry. In Experiment 1, Nelore cows (n=587) received a fixed-time artificial ...

Author(s)
Costa, N. P.; Gonella-Diaza, A.; Pugliesi, G.; Maldonado, M. B. C.; Scollari, S. C.; Mello, B. P.; Feltrin, I.; Girotto, R.; Castilho, C.; Membrive, C. M. B.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2020, 141, pp 180-185
Abstract

The objectives of this study were to (1) characterize the distribution and variability of plasma anti-Müllerian hormone (AMH) concentration; (2) evaluate factors associated with phenotypic variation in plasma AMH; (3) examine the associations between categories of plasma AMH and reproductive...

Author(s)
Gobikrushanth, M.; Purfield, D. C.; Canadas, E. R.; Herlihy, M. M.; Kenneally, J.; Murray, M.; Kearney, F. J.; Colazo, M. G.; Ambrose, D. J.; Butler, S. T.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 12, pp 11622-11635
Abstract

Background: Little is known about the genetic architecture of economically important traits in Brown Swiss cattle because only few genome-wide association studies (GWAS) have been carried out in this breed. Moreover, most GWAS have been performed for single traits, thus not providing detailed...

Author(s)
Fang ZihHua; Pausch, H.
Publisher
BioMed Central Ltd, London, UK
Citation
BMC Genomics, 2019, 20, 695, pp (3 September 2019)
Abstract

An experiment was performed to evaluate the association between the antral follicle count (AFC) plus body condition score (BCS) and the pregnancy rate in Bos indicus undergoing timed artificial insemination (TAI). A total of 736 Nelore cows with BCSs ranging from 2 to 4 received a conventional...

Author(s)
Moraes, F. L. Z. de; Morotti, F.; Costa, C. B.; Lunardelli, P. A.; Seneda, M. M.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2019, 136, pp 10-14
Abstract

We aimed to evaluate the reproductive performance of Nelore lactating cows submitted to a resynchronization 12 days after timed artificial insemination (TAI) with or without a long-acting progesterone (P4-LA) treatment. Nelore cows were submitted to a P4/oestradiol-based TAI protocol (D0=...

Author(s)
Pugliesi, G.; Bisinotto, D. Z.; Mello, B. P.; Lahr, F. C.; Ferreira, C. A.; Melo, G. D.; Bastos, M. R.; Madureira, E. H.
Publisher
Wiley, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2019, 54, 8, pp 1149-1154
Abstract

Our research group investigated the impacts of supplementing Ca salts of soybean oil (CSSO), a source of omega-6 fatty acids (FAs), on reproductive performance of beef cows. Initial studies were conducted with Nelore (Bos indicus) cows grazing tropical pastures. Cows were assigned to fixed-time ...

Author(s)
Cooke, R. F.
Publisher
Oxford University Press, Cary, USA
Citation
Journal of Animal Science, 2019, 97, 1, pp 485-495
Abstract

Expression of estrus (EST) near the time of fixed-time artificial insemination (FTAI) increases pregnancy success in beef females. This outcome has been associated with improved pregnancy establishment and maintenance, although research is still warranted to validate this theory. Hence, this...

Author(s)
Cooke, R. F.; Pohler, K. G.; Vasconcelos, J. L. M.; Cerri, R. L. A.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2019, 13, 11, pp 2569-2575
Abstract

The goal of this study was to evaluate the effect of long-acting progesterone supplementation on pregnancy rates and gestational losses in Nelore females (Bos taurus indicus) submitted to Timed Artificial Insemination (TAI). Ovulations of multiparous (n=534), primiparous (n=117) and nulliparous...

Author(s)
Couto, S. R. B.; Guerson, Y. B.; Ferreira, J. E.; Silva, O. R.; Silenciato, L. N.; Barbero, R. P.; Mello, M. R. B.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2019, 125, pp 168-172
Abstract

Author(s)
Brandão, A. P.; Cooke, R. F.; Schubach, K. M.; Marques, R. S.; Bohnert, D. W.; Mercadante, V. R. G.
Publisher
Oxford University Press, Oxford, UK
Citation
Translational Animal Science, 2018, 2, Suppl. 1, pp S9-S13
Abstract

Two experiments investigated the effects of supplementing Ca salts of soybean oil (CSSO) during early gestation on reproductive function and pregnancy rates to AI in Bos taurus beef cows. In Exp. 1, 771 suckled, lactating, multiparous Angus cows were divided into 22 groups of approximately 35 cows...

Author(s)
Brandão, A. P.; Cooke, R. F.; Schubach, K. M.; Marques, R. S.; Bohnert, D. W.; Carvalho, R. S.; Dias, N. W.; Timlin, C. L.; Clark-Deener, S.; Currin, J. F.; Jump, D. B.; Pohler, K. G.; Cerri, R. L. A.; Mercadante, V. R. G.
Publisher
Oxford University Press, Cary, USA
Citation
Journal of Animal Science, 2018, 96, 7, pp 2838-2850

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