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Abstract

The size and body condition of cows can affect their reproductive efficiency. However, few studies reported genetic correlations between these traits in beef cattle. Thus, we estimated the genetic parameters and correlations between weight (MW), height (MH) and body condition score (BCS) of cows...

Author(s)
Lacerda, V. V.; Campos, G. S.; Roso, V. M.; Souza, F. R. P.; Brauner, C. C.; Boligon, A. A.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2018, 118, pp 27-33
Abstract

Bovine Nodular Thelitis (BNT) is a granulomatous dermatitis of teat skin associated with acid-fast bacilli. A similar condition has been recorded in a dairy goat flock in France recently. The causative agent was shown to be related to the leprosy-causing bacilli Mycobacterium leprae and M....

Author(s)
Brentini, M.; Peroz, C.; Dagher, E.; Labrut, S.; Albaric, O.; Despres, J.; Tesson, C.; Bourreau, P.; Assie, S.; Michelet, L.; Boschiroli, M. L.; Chartier, C.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2020, 181,
AbstractFull Text

Background: Brazil is one of the greatest bovine meat exporter in the world. However, the technologies applied at buffalo's reproduction is not specific for this specie, adapted technics were established from the cattle breed. When the animal shows weight gain, gonadal and behavioral physiology...

Author(s)
Hyppolito, M.; Zorzetto, M. F.; Silva-Junior, E. R. da; Tironi, S. M. T.; Souza, A. G.; Codognoto, V. M.; Vieira, A. F.; Salgado, L. C.; Marques, N. F. S.; Oba, E.
Publisher
Universidade Federal do Rio Grande do Sul, Faculdade de Veterinária, Porto Alegre, Brazil
Citation
Acta Scientiae Veterinariae, 2019, 47,
Abstract

In cow-calf operations the moment the heifer achieves her first pregnancy set up her future productivity. Although puberty itself is a yes-or-no condition, time to the event has a quantitative genetic basis and thus is suitable for genetic selection. However, the trait is difficult to measure...

Author(s)
Bonamy, M.; Iraola, J. J. de; Baldo, A.; Prando, A.; Giovambattista, G.; Munilla, S.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2018, 218, pp 79-84
Abstract

The evaluation of testicular hemodynamics can contribute significantly to understanding the thermoregulatory mechanisms and the supply of oxygen in the testis in domestic animals. The aim of this study was to evaluate the testicular hemodynamics used in Color Doppler ultrasonography in bulls of the ...

Author(s)
Fávaro, P. da C.; Pereira, G. R.; Barca Junior, F. A.; Adona, P. R.; Franco, E. M. V.; Dias, I. da S.; Seneda, M. M.; Koetz Junior, C.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2020, 241,
Abstract

Seminal plasma (SP) contributes to sperm physiology and metabolism, prevents premature capacitation, and protects sperm against oxidative stress. In order to evaluate the impact of heat stress in the semen of tropically adapted Brangus breed and in their seminal plasma proteome, we studied the...

Author(s)
Pereira, G. R.; Lazari, F. L. de; Dalberto, P. F.; Bizarro, C. V.; Sontag, E. R.; Koetz Junior, C.; Menegassi, S. R. O.; Barcellos, J. O. J.; Bustamante Filho, I. C.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2020, 144, pp 194-203
Abstract

We studied the evolution and the relationship between the fertility of a cow herd and the breeding soundness evaluation (BSE). During four years, 1092 Nellore zebu bulls were maintained on pasture conditions in Mato Grosso do Sul State - Brazil. After the clinic evaluation, scrotal circumference...

Author(s)
Freneau, G. E.; Puoli, J. R.; Arnhold, E.
Publisher
Universidade Federal de Goiás, Escola de Veterinária, Goiânia, Brazil
Citation
Ciência Animal Brasileira, 2017, 18, pp e-31274
AbstractFull Text

Keeping horns or physically removing them pose economic and welfare risks, therefore, producing naturally hornless (polled) animals would make livestock production more humane and sustainable. The cattle industry is rapidly breeding polled cattle with the aid of advanced genomic technologies....

Author(s)
Randhawa, I. A. S.; Porto Neto, L. R.; McGowan, M. R.; Hayes, B. J.; Schutt, K. M.; Lyons, R. E.
Publisher
Association for the Advancement of Animal Breeding and Genetics, Armidale, Australia
Citation
Proceedings of the 23rd Conference of the Association for the Advancement of Animal Breeding and Genetics (AAABG), Armidale, New South Wales, Australia, 27th October-1st November 2019, 2019, pp 350-353
Abstract

The multi-trait reaction norm (MTRN) model was extended to beef cattle reared under tropical conditions with the following objectives: to compare multi-trait (MT) and MTRN models regarding the genetic parameters obtained; and to characterize G × E, the pattern of phenotypic expression, and the...

Author(s)
Santana Júnior, M. L.; Eler, J. P.; Bignardi, A. B.; Menéndez-Buxadera, A.; Cardoso, F. F.; Ferraz, J. B. S.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Journal of Applied Genetics, 2015, 56, 2, pp 219-229
Abstract

A dopamine type-2 receptor (DRD2) SNP, previously found to be correlated with serum prolactin (PRL) concentrations in cattle, was evaluated for impact on growth traits, serum prolactin concentration, and semen quality. Over a four-year period, yearling beef bulls were allowed diets containing or...

Author(s)
DeCarlo, A. N.; Jennings, K.; Pratt, S. L.; Burnett, C. R.; Long, N. M.; Bridges, W. C.; Kojima, C.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2019, 207, pp 73-82

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