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Title: Multivariate relationship among body protein, fat, and macrominerals of male and female Saanen goats using canonical correlation analysis
Contributor(s): Vargas, Julian Andres Castillo (author); Almeida, Amelia Katiane  (author)orcid ; Harter, Carla Joice (author); Souza, Anaiane Pereira (author); Fernandes, Marcia Helena Machado da Rocha (author); de Resende, Kleber Tomas (author); Teixeira, Izabelle Auxiliadora Molina de Almeida (author)
Publication Date: 2018
Early Online Version: 2018-11-29
Open Access: Yes
DOI: 10.1590/rbz4720170289
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Abstract: The objective of this study was to investigate the multivariate relationship among body protein, fat, and macrominerals in Saanen goats of different sexes (castrated males, females, and intact males) using canonical correlation analysis. Individual records of 274 Saanen goats combined from 10 studies was used. Two sets of body constituents were established: the first one contained variables related to body protein or fat (canonical variate U) and the second contained variables related to body calcium, phosphorus, magnesium, sodium, or potassium (canonical variate V). Two canonical pairs were identified for each sex. However, irrespective of sex, first canonical pairs accounted for more than 87% of variance of the dependent variables, these only being used for the analysis. For canonical variate U1, canonical weights for protein were greater than that for fat (in castrated males, protein = 0.62 and fat = 0.41; in females, protein = 0.96 and fat = 0.039; and in intact males, protein = 0.81 and fat = 0.20). For canonical variate V1, in males, the highest canonical weights were for potassium and phosphorus, whereas the lowest were for calcium (in castrated males, potassium = 0.485 > phosphorus = 0.259 > magnesium = 0.206 > sodium = 0.129 > calcium = 0.081, and in intact males, potassium = 0.499 > phosphorus = 0.459 > sodium = 0.105 > magnesium = 0.024 > calcium = 0.001). On the other hand, in females, the highest canonical weights were for potassium and calcium, whereas the lowest was for magnesium (potassium = 0.539 > calcium = 0.201 > phosphorus = 0.178 > sodium = 0.088 > magnesium = 0.081). The current results may help to understand the role of sex on strength and nature of the association among body protein, fat, and macrominerals in growing Saanen goats.
Publication Type: Journal Article
Source of Publication: Revista Brasileira de Zootecnia, v.47, p. 1-6
Publisher: Universidade Federal de Vicosa
Place of Publication: Brazil
ISSN: 1806-9290
Fields of Research (FoR) 2008: 070299 Animal Production not elsewhere classified
Fields of Research (FoR) 2020: 300301 Animal growth and development
Socio-Economic Objective (SEO) 2008: 830310 Sheep - Meat
Socio-Economic Objective (SEO) 2020: 100412 Sheep for meat
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Appears in Collections:Journal Article
School of Environmental and Rural Science

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