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Total mass TCI driven by parametric estimation
M. Silva; C. Sousa; R. Sebastião; J. Gama; T. Mendonça; P. Rocha; S. Esteves
Data: 2009
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Origem: Repositório Aberto da Universidade do Porto
The reproductive effect of kidding : artificial insemination interval in goats
Rodrigues, J.P.V.; Mascarenhas, R.; Sebastião, J.; Lopes, A.D.; Duarte, F.; Ferreira, A.; Andrade, L.P.Goat production in Portugal, even for milk, is based on indigenous breeds in extensive systems. Reproduction is based in April/May mating, with the kidding period in September/October. Artificial Insemination (AI) is a fundamental tool to implement breeding schemes for those breeds, which never had any improvement scheme, other than done empirically by the owner/shepherd. Te goal is to identify the necessary in...
Data: 2004
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Origem: Repositório Científico do Instituto Politécnico de Castelo Branco
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