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Abstract

The relationship between the indices of thermal comfort and internal temperature in lactating cows was evaluated in Rondônia, western Amazonia in a 2×2 crossover trial carried out with eight Girolando cows, 1/2 Holstein × 1/2 Gyr (n=4) and 3/4 Holstein × 1/4 Gyr (n=4), grazing palisade grass...

Author(s)
Carvalho, G. A. de; Salman, A. K. D.; Cruz, P. G. da; Silva, F. R. F. da; Halfen, J.; Schmitt, E.
Publisher
Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
Citation
Acta Amazonica, 2018, 48, 3, pp 191-196
AbstractFull Text

The objective of this study was to evaluate the effect of different levels of nitrogen on deferred pastures of Urochloa brizantha cv. Marandu, and the implications on the economic viability of production of Nellore heifers. This was a completely randomized design with four treatments (T1=deferred...

Author(s)
Aguilar, P. B. de; Teixeira, F. A.; Silva, F. F. da; Pires, A. J. V.; Nascimento, P. V. N.; Santos, O. O. dos
Publisher
Universidade Estadual de Maringá, Maringá, Brazil
Citation
Acta Scientiarum - Animal Sciences, 2016, 38, 1, pp 69-76
AbstractFull Text

The aim of this study was to evaluate the effects of residual leaf area index (rLAI), years of evaluation and grazing cycles in the vertical structure of the canopy and the proportion of morphological components of xaraés palisadegrass pastures submitted to grazing intensities in two summers. The...

Author(s)
Galzerano, L.; Malheiros, E. B.; Raposo, E.; Morgado, E. S.; Ruggieri, A. C.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2015, 67, 5, pp 1343-1352
AbstractFull Text

This study aimed to contribute to increased knowledge of the potential of new cultivars to be used in dairy cattle grazing, comparing the milk yield and composition of Holstein cows (n=20) subjected to rotational grazing with palisade grass (Brachiaria brizantha Marandu) and HD364 grass (Brachiaria ...

Author(s)
Demski, J. B.; Miranda, M. S. de; Arcaro Junior, I.; Toledo, L. M. de; Gimenes, F. M. de A.; Ambrósio, L. A.; Rosini, E. C.
Publisher
Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, Brazil
Citation
Veterinária e Zootecnia, 2013, 20, 2, Supl. 1, pp 70-71
AbstractFull Text

Correct knowledge on the function of all the phases involved in the process of calf production helps the rural producer in choosing new technologies that will be implemented. The aim of this paper was to show the results of the simulated production data based on 500 cows over 36 months that were...

Author(s)
Costa, G. G. da; Taveira, R. Z.; Silveira Neto, O. J. da; Brito Júnior, V. A. de
Publisher
F. B. Moreira, Londrina, Brazil
Citation
PUBVET, 2013, 7, 16, pp Art. 1580
Abstract

This study was conducted at Embrapa Beef Cattle, Campo Grande, MS, Brazil, during the summer and autumn of 2010 to estimate the DM intake by beef steers grazing Piatã palisadegrass managed at 3 grazing intensities of continuous stocking, represented by 15, 30 and 45 cm sward height. No sward height ...

Author(s)
Montagner, D. B.; Euclides, V. P. B.; Genro, T. C. M.; Nates, N. N.
Publisher
Centro Internacional de Agricultura Tropical (CIAT), Cali, Colombia
Citation
Tropical Grasslands - Forrajes Tropicales, 2013, 1, 1, pp 106-108
Abstract

A study of mineral deficiencies was performed in lactating cows from dairy herds belonging to 13 farms of Rondon do Pará, state of Pará, Brazil. We determined the levels of phosphorus (P) in the bone and levels of copper (Cu), cobalt (Co), selenium (Se) and zinc (Zn) in the liver of 47 dairy cows...

Author(s)
Bomjardim, H. A.; Oliveira, C. M. C.; Silveira, J. A. S.; Silva, N. S.; Duarte, M. D.; Faial, K. C. F.; Brito, M. F.; Barbosa, J. D.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2015, 35, 5, pp 409-416
Abstract

The objective of this study was to evaluate, in rainy season, the effect of protein complementation during dry season on Nellore primiparous heifers. We used 39 primiparous heifers, with an average age of 24-36 months, reared on Brachiaria decumbens and Brachiaria Brizantha pasture, for 205 days....

Author(s)
Nogueira, A. P. C.; Alvarenga, P. B. de; Ferreira, I. C.; Rios, M. P.; Silva, C. R.
Publisher
Universidade Federal de Goiás, Escola de Veterinária, Goiânia, Brazil
Citation
Ciência Animal Brasileira, 2015, 16, 3, pp 331-342
AbstractFull Text

In this study, it was evaluated the ingestive behavior of 10 cows with average weight of 500 kg, 5 years of age and producing a mean of 18 kg of milk/day, which were close to 60 days of lactation. The animals were kept in an area of 3 ha, in rotational grazing on Brachiaria brizantha cv. Marandu....

Author(s)
Nascimento, G. V. do; Cardoso, E. de A.; Batista, N. L.; Souza, B. B. de; Cambuí, G. B.
Publisher
Universidade Federal Rural do Semi-Árido (UFERSA), Mossoro, Brazil
Citation
Journal of Animal Behaviour and Biometeorology, 2013, 1, 2, pp 31-36
Abstract

The aim of this work was to analyse the population of aerobe and anaerobe facultative Gram-negative rod-shaped in the ruminal fluid of dairy cattle and calves fed with different sources of tropical forage. Samples of ruminal fluid were collected from 30 cows fed with sorghum silage, 32 cows fed...

Author(s)
Freitas, C. E. S.; Almeida, P. N. M.; Duarte, E. R.; Abrão, F. O.; Careli, R.; Geraseev, L. C.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2014, 46, 3, pp 457-462

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