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AbstractFull Text

The aim of this study was to quantify the effects of the genetic group, heat stress and somatic cell count (SCS) on the milk production and composition of Holstein, Jersey and Girolando genotypes cows in subtropical climates. Were used 14181 milk test-day records from a seven years period in a...

Author(s)
Ludovico, A.; Trentin, M.; Rêgo, F. C. A.
Publisher
Instituto de Zootecnia, Facultad de Veterinaria, Córdoba, Spain
Citation
Archivos de Zootecnia, 2019, 68, 262, pp 236-243
Abstract

We compared different Bayesian models to handle censored data for genetic parameters estimation of age at first calving (AFC) in Brazilian Brahman cattle. Data from females with AFC above 1825 days of age were assumed to have failed to calve and were considered as censored records. Data including...

Author(s)
Fernandes Lázaro, S.; Varona, L.; Fonseca e Silva, F.; Ventura, H. T.; Veroneze, R.; Brito, L. C.; Costa, E. V.; Sávio Lopes, P.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2019, 221, pp 177-180
Abstract

The present study aimed to evaluate the reproductive efficiency and establish the incidence of reproductive diseases in Nelore (pure breed) animals via rectal palpation in cows and a retrospective survey, through property records, obtaining days open (DO) and calving interval (CI). The DO and CI...

Author(s)
Minervino, A. H. H.; Ribeiro, H. F. L.; Neves, K. A. L.; Morini, A. C.; Barrêto Júnior, R. A.; Araújo, C. A. S. C.; Vale, W. G.
Publisher
Universidade Federal Rural de Pernambuco, Recife, Brazil
Citation
Medicina Veterinária (Brasil), 2019, 13, 1, pp 109-116
Abstract

The objective was to estimate genetic correlations for persistency, milk yield and somatic cell score (SCS) in Holstein cattle in Brazil. A dataset with 190389 records of test-day milk and of test-day SCS from 21824 cows was used. Two-trait random regression model with a fourth order Legendre...

Author(s)
Padilha, A. H.; Alfonzo, E. P. M.; Daltro, D. S.; Torres, H. A. L.; Braccini Neto, J.; Cobuci, J. A.
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2019, 59, 2, pp 207-215
Abstract

The objective of the present work was to evaluate the effect of somatic cell score on the longevity of Holstein cows raised all over Brazil, using a piecewise Weibull proportional-hazard model. The following two longevity traits were defined: true longevity, number of days from first calving to...

Author(s)
Kern, E. L.; Cobuci, J. A.; Braccini Neto, J.; Daltro, D. dos S.
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2019, 59, 8, pp 1546-1552
Abstract

The objective of this study was to investigate the population genetic structure and the effects of inbreeding on growth traits of Nellore breed animals from the Amazon biome. The database used for the analyzes contained records of 1,402,287 animals born between the years of 1950 and 2012 and weight ...

Author(s)
Dotta, J. C.; Falcão, A. J. da S.; Carneiro, P. L. S.; Conti, A. C. M.; Rezende, M. P. G. de
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2019, 31, 2, pp Article 17
AbstractFull Text

The objective of this work was to identify genetic polymorphisms of leptin, β-lactoglobulin and pituitary transcription factor (PIT1) and to evaluate its effects on the chemical composition and milk somatic cell count of crossbred dairy cows living in a hot climate. A total of 291 crossbred dairy...

Author(s)
Ferreira, J. B.; Guilhermino, M. M.; Leite, J. H. G. M.; Sousa, J. E. R.; Araújo, B. V. S.; Vasconcelos, A. M.; Lara, M. A. C.; Façanha, D. A. E.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2019, 71, 2, pp 715-719
AbstractFull Text

This issue presents papers that focused on locomotion in ruminants and highlights the epidemiology, diagnosis and treatment of systemic conditions locomotive of cattle, buffalo and sheep.

Publisher
Pontificia Universidade Católica do Paraná, São José dos Pinhais, Brazil
Citation
Revista Acadêmica: Ciência Animal, 2018, 16, Special edition, pp unpaginated
Abstract

Palicourea marcgravii is the most important toxic plant in Brazil due to its acute toxicity (sudden death), palatability, cumulative effect and broad geographical distribution. The study aimed to evaluate the resistance between cattle of different breeds by experimental intoxication of Palicourea ...

Author(s)
Serodio, J. J.; Castro, L. T. S.; Morais, T. L.; Cunha, R. D. da S.; Sant'Ana, F. J. F. de; Juliano, R. S.; Borges, J. R. J.; Fioravanti, M. C. S.; Cunha, P. H. J. da
Publisher
Elsevier Ltd, Oxford, UK
Citation
Toxicon, 2019, 168, pp 126-130
AbstractFull Text

Despite the significant increase in research in veterinary orthopedics, specially directed to the distal locomotor system and podology, fractures in large animals continue to be a challenge for the field veterinarian. Considering the proximal locomotor system, literature in general and mainly...

Author(s)
Oliveira, B. I. C. de; Nascimento, L. V.; Ollhoff, R. D.
Publisher
Pontificia Universidade Católica do Paraná, São José dos Pinhais, Brazil
Citation
Revista Acadêmica: Ciência Animal, 2018, 16, Special edition, pp e163503

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