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Title: The use of lactation and test day records for the genetic analyses of the performance of Philippine dairy buffaloes for milk production and persistency
Contributor(s): Flores, Ester Battad (author); van der Werf, Julius  (supervisor)orcid ; Gibson, John  (supervisor)
Conferred Date: 2014
Copyright Date: 2013
Open Access: Yes
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Abstract: Milk production records of Philippine dairy buffaloes were analysed to be able to develop a method of yield calculation and genetic evaluation for milk production and lactation persistency. The method for yield calculation, a multiple trait procedure that utilizes the Wilmink's function (MTP-Wil) to describe the lactation curve of different cow-class categories as well as takes into consideration covariances between milk, fat and protein yields such that prediction of yields can be made with irregular and/or long intervals between test days with slight reduction in precision relative to a complete set of regularly spaced test day records. This method is particularly suitable for establishing a recording system for cows in the various dairy buffalo cooperatives in the Philippines as the yield calculation method may help minimize the cost of recording cow performance. Establishing a milk recording system for cows in the dairy cooperatives will increase the number of cows for genetic evaluation.
Publication Type: Thesis Doctoral
Field of Research (FoR): 200525 Literary Theory
Socio-Economic Objective (SEO): 930301 Assessment and Evaluation of Curriculum
Rights Statement: Copyright 2013 - Ester Battad Flores
HERDC Category Description: T2 Thesis - Doctorate by Research
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