Management of the bull battery will have a dramatic impact on profitability of the cow/calf enterprise. It is critical that young bulls be selected and developed to maximize longevity and productivity for the eventual buyer. Bulls must be structurally sound, healthy, and have adequate libido in order to service the required number of females. Once bulls complete their first breeding season, special care must be taken in order to ensure that they recover and regain needed body condition and pass a bull breeding soundness examination (BBSE). Mature bulls that have reached their genetic potential for growth require less intensive management, but the health program and annual BBSE cannot be overlooked. Mature bulls are also more likely to carry venereal disease and should be screened according to local disease incidence and state regulations. All bulls, regardless of age, should be observed early during the breeding season to ensure that they are physically capable of mounting and servicing females. The establishment of a complete management program, especially for young bulls, is essential to ensure that ranch resources are used efficiently, including maintenance of a high level of reproductive performance of the cow herd. (c) 2008 Elsevier Inc. All rights reserved.
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Univ Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, Brazil
Lopes, Jusecleia Ferreira
Andrighetto Canozzi, Maria Eugenia
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Inst Nacl Invest Agr, La Estanzuela Expt Stn, Colonia, UruguayUniv Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, Brazil
Andrighetto Canozzi, Maria Eugenia
Goncalves, Thais Lopes
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Univ Fed Pampa, Uruguaiana, RS, BrazilUniv Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, Brazil
Goncalves, Thais Lopes
da Rocha, Marcela Kuczynski
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Univ Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, Brazil
da Rocha, Marcela Kuczynski
Sartori, Everton Dezordi
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Univ Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, Brazil
Sartori, Everton Dezordi
Sessim, Amir Gil
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Univ Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, Brazil
Sessim, Amir Gil
Pereira, Izabela de Paula
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Univ Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, Brazil
Pereira, Izabela de Paula
de Aguiar, Luis Kluwe
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Harper Adams Univ, Dept Food Sci & Agrifood Supply Chain Management, Newport, Shrops, EnglandUniv Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, Brazil
de Aguiar, Luis Kluwe
Paparas, Dimitrios
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Harper Adams Univ, Food Land & Agribusiness Management Dept, Newport, Shrops, EnglandUniv Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, Brazil
Paparas, Dimitrios
Oliveira Menegassi, Silvio Renato
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Univ Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, Brazil
Oliveira Menegassi, Silvio Renato
Koetz Junior, Celso
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Univ Norte Parana, Arapongas, PR, BrazilUniv Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, Brazil
Koetz Junior, Celso
Oaigen, Ricardo Pedroso
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Univ Fed Pampa, Uruguaiana, RS, BrazilUniv Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, Brazil
Oaigen, Ricardo Pedroso
Zago, Daniele
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Univ Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, Brazil
Zago, Daniele
Jardim Barcellos, Julio Otavio
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Univ Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Dept Zootecnia, Porto Alegre, RS, Brazil
Jardim Barcellos, Julio Otavio
REVISTA BRASILEIRA DE ZOOTECNIA-BRAZILIAN JOURNAL OF ANIMAL SCIENCE,
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