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Abstract

At present only 4% of beef cows and 8% of dairy cows in Brazil are inseminated. An account is given of the genetic advantages and economic importance of AI, and it is suggested that the lactation milk yield of inseminated cows in Brazil exceeds that of naturally mated cows by 2000 kg. Data are...

Author(s)
Ferreira de Sá, W.; Almeida Camargo, L. S. de; Moraes Ferreira, A. de; Moreira Viana, J. H.
Publisher
Embrapa, Gado de Leite, Juiz de Fora, Brazil
Citation
Tecnologias para la producción de leche en los trópicos, 2002, pp 183-190
Abstract

An account is given of the national programme for the genetic improvement of Brazilian Gir (BG) dairy cows and the development of the Brazilian Association of Brazilian Gir Cattle Breeders. At present around 13 400 BG cows are milk-recorded, representing 23% of the total number of cows of the breed ...

Author(s)
Silva Verneque, R. da; Luz Ledic, I.; Luiz Martinez, M.; Luiz Teodoro, R.
Publisher
Embrapa, Gado de Leite, Juiz de Fora, Brazil
Citation
Tecnologias para la producción de leche en los trópicos, 2002, pp 153-160
Abstract

Work on the heat tolerance and performance of Holstein, Gir and crossbred cows in Brazil is reviewed, and details are given of the environmental effects on performance, the ingestion of feed and water, the position of animals (standing up or lying down), the search for shade and sexual behaviour.

Author(s)
Ávila Pires, M. de F.; Torres de Campos, A.; Pato Novaes, L.
Publisher
Embrapa, Gado de Leite, Juiz de Fora, Brazil
Citation
Tecnologias para la producción de leche en los trópicos, 2002, pp 115-133
Abstract

An account is given of the health management of pregnant cows and new-born and growing calves in Brazil, and details are given of disease prevention measures.

Author(s)
Ribeiro, A. C. de C. L.
Publisher
Embrapa, Gado de Leite, Juiz de Fora, Brazil
Citation
Tecnologias para la producción de leche en los trópicos, 2002, pp 93-98
Abstract

Data are tabulated for the length of service periods, calving intervals, conception rate, the number of services per conception, age at first mating and calving, incidence of reproductive disorders, lactation duration, lactation milk yield and persistence of lactation of dairy cows in Brazil. The...

Author(s)
Moraes Ferreira, A. de; Ferreira de Sá, W.; Almeida Camargo, L. S. de; Moreira Viana, J. H.
Publisher
Embrapa, Gado de Leite, Juiz de Fora, Brazil
Citation
Tecnologias para la producción de leche en los trópicos, 2002, pp 99-114
Abstract

An account is given of bovine tick infestation control in Brazil, including strategies, herd management, use of insecticide, the effects of pasture on the development of ticks and their resistance to insecticides.

Author(s)
Furlong, J.
Publisher
EMBRAPA, Gado de Leite, Juiz de Fora, Brazil
Citation
1° Simpósio sobre Sustentabilidade da produção de leite no Leste Mineiro, 2001, pp 207-214
Abstract

An account is given of a strategy for controlling helminths in dairy cattle in Brazil, involving anthelmintic treatments in April, July, September and December, and treatment with a tick-destroying antiparasitic agent at 21-day intervals during the summer. It is recommended that insecticide...

Author(s)
Furlong, J.
Publisher
EMBRAPA, Gado de Leite, Juiz de Fora, Brazil
Citation
Simpósio sobre Sustentabilidade da pecuária de leite no Brasil, 2000, Goiânia, Brazil., 2000, pp 129-136

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