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Abstract

An account is given of the effects of milking procedures, nutrition of cows, the feeding and management of calves, body condition, genetic improvement, animal health, herd management and economic factors on the performance of dairy cows, with special reference to conditions in Brazil.

Author(s)
Zoccal, R.
Publisher
Embrapa Gado de Leite, Juiz de Fora, Brazil
Citation
Comunicado Técnico - Embrapa Gado de Leite, 2004, No.39, pp 8 pp.
AbstractFull Text

This proceedings contains 11 papers and 345 posters on the physiology, reproduction, feeding and diseases of cattle, buffaloes, sheep and goats, and milk quality in Brazil.

Publisher
Pontificia Universidade Católica do Paraná, São José dos Pinhais, Brazil
Citation
Revista Acadêmica: Ciência Animal, 2017, 12, S2, pp 1-692
Abstract

Data on the performance of purebred and crossbred Guzerá cows in 42 herds in Brazil, the performance of 33 bull daughter groups given MOET treatment and the performance of more than 2000 daughters of 47 progeny-tested bulls were analysed in an attempt to evaluate the improvement of the dairy...

Author(s)
Teodoro, R. L.; Verneque, R. da S.; Martinez, M. L.; Silva, M. V. G. B. da; Penna, V. M.
Publisher
Embrapa Gado de Leite, Juiz de Fora, Brazil
Citation
Documentos - Embrapa Gado de Leite, 2004, No.97, pp 20 pp.
Abstract

During 14 252 first lactations of daughters of 181 progeny-tested Gir bulls in Brazil, the average weight of milk, milk fat, milk protein, lactose and total solids produced was 2752, 112, 89, 122 and 338 kg respectively, and lactation duration averaged 286 days. The estimated heritability of the...

Author(s)
Verneque, R. da S.; Teodoro, R. L.; Peixoto, M. G. C. D.; Ledic, I. L.; Machado, M. A.; Silva, M. V. G. B. da; Fernandes, A. R.
Publisher
Embrapa Gado de Leite, Juiz de Fora, Brazil
Citation
Documentos - Embrapa Gado de Leite, 2007, No.118, pp 56 pp.
Abstract

Data on 720 000 milk recording and geneological records on Holstein cows in Brazil were analysed. The age at first calving averaged 28.7 months. For 88 449 cows in 1808 herds, lactation milk yield averaged 6049.5 litres, the yield of milk fat averaged 199.1 kg and that of milk protein averaged...

Author(s)
Costa, C. N.; Teixeira, N. M.; Freitas, A. F. de; Cobuci, J. A.; Barra, R. B.; Valloto, A. A.; Haguihara, K.; Marques, A.
Publisher
Embrapa Gado de Leite, Juiz de Fora, Brazil
Citation
Documentos - Embrapa Gado de Leite, 2004, No.99, pp 65 pp.
Abstract

Methods of preventing disease in cattle other than vaccination are discussed, with particular reference to detailed monitoring of herds, reduction in animal stress, and a multi-factorial approach to cow health which takes account of the environment, the farm, the type of housing, nutrition, farming ...

Author(s)
Brito, J. R. F.
Publisher
Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA), Brasília, Brazil
Citation
Sanidade do gado leiteiro., 1996, pp 31-33
Abstract

This milk production system was developed in Brazil in 1977 for Holstein × zebu cows with 50-80% of Holstein breeding. Details are given of the location, climate and the management of males and females of different ages in the herd (which comprised 206 animals in 1998-2002), of forage available in...

Author(s)
Costa, J. L. da; Novaes, L. P.; Sá, W. F. de; Monteiro, J. B. N.
Publisher
Embrapa Gado de Leite, Juiz de Fora, Brazil
Citation
Sistema de produção de leite a pasto com rebanho mestiço: 25 anos de informações, 2003, pp 51 pp.
Abstract

Tuberculosis is a chronic infective disease which causes great economic losses evidenced by a 10-20% decrease in milk production. This study investigates all positive cases of tuberculosis registered at Clínica de Bovinos from the year 2000 to 2009. A total of 36 cases were found. Epidemiological...

Author(s)
Izael, M. de A.; Silva, S. de T. G. da; Costa, N. de A.; Souza, J. C. de A.; Mendonça, C. L. de; Afonso, J. A. B.
Publisher
Universidade Federal de Goiás, Escola de Veterinária, Goiânia, Brazil
Citation
Ciência Animal Brasileira, 2009, 10, Supplement 1, pp 452-457
Abstract

Antibiotic and vermifuge residues in milk and the reasons why these may be a problem are discussed. The following areas are covered: development of drug resistance in organisms; negative impact on the protective effects of intestinal microflora in humans; allergic reactions in humans; and negative...

Author(s)
Paiva e Brito, M. A. V.; Chaves, T. P.
Publisher
Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA), Brasília, Brazil
Citation
Sanidade do gado leiteiro., 1996, pp 63-70
Abstract

Of 2,187 lactating cows on 43 farms, the California mastitis test was positive in 429. From these cows were isolated: Streptococcus agalactiae in 106; Str. dysgalactiae in 74; Str. uberis in 20; Staphylococcus aureus in 227; Corynebacterium pyogenes in 18; Pasteurella multocida in 4 and Escherichia ...

Author(s)
Langenegger, J.; Coelho, N. M.; Langenegger, C. H.; De Castro, R. P.
Citation
Pesquisa Agropecuaria Brasileira, 1970, 5, pp 437-440

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