Daily weight gain of goats until weaning receiving two schemes of mineral supplementation

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DOI:

https://doi.org/10.5965/223811712242023656

Keywords:

copper deficiency, selective mineral salt, capra hircus

Abstract

The objective of this study was to evaluate the effects of commercial mineral supplementation and selective mineral supplements in which only elements known to be deficient in the animal's diet. In an experiment conducted in Federal Rural University of Rio de Janeiro, Brazil, were analyzed: daily weight gain, nutritional and economic aspects of goats mixed breed receiving two types of mineral supplements. The sixteen animals were divided into two groups. For one group a commercial mineral mixture was used, and to the other group selective mineral mixture containing only sodium (Na) and copper (Cu) was offered. There was no difference in daily weight gain when the selective or commercial mixture was given. The selective mineral supplementation was 4,8 times more economic than conventional supplementation with a commercial mineral mix. The animals showed an increase of hair pigmentation around the eyes, attributed to the correction of copper deficiency. Thus, when an adequate concentrate and good quality forage is given, only the deficient mineral element(s) should be supplemented. The result of this experiment confirms the hypothesis that selective mineral supplementation is correct and can result in reduction of the cost with mineral supplementation of a herd.

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Author Biographies

Viviane Antunes Pimentel, Fundação Osório, Rio Comprido, RJ, Brazil

Professora da Fundação Osório (2022). Possui graduação em Zootecnia pela Universidade Federal Rural do Rio de Janeiro (2004) e Licenciatura em Ciências Biológicas pela Universidade Salgado de Oliveira, mestrado em Ciência Animal pela Universidade Federal Rural do Rio de Janeiro (2005) e doutorado em Ciência Animal pela Universidade Estadual do Norte Fluminense (2010).

Pedro Antônio Muniz Malafaia, Federal Rural University of Rio de Janeiro

.

Karen Purper Freitas Magiero, Federal University of Espírito Santo

.

Mariana de Souza Farias, Universidade Vale do Rio Doce

.

Bruno Borges Deminicis, Ministério do Desenvolvimento, Indústria, Comércio e Serviços, Brasília, DF, Brazil

.

Renata Gomes da Silveira Deminicis, University of Brasília

.

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Published

2023-12-29

How to Cite

PIMENTEL, Viviane Antunes; MALAFAIA, Pedro Antônio Muniz; MAGIERO, Karen Purper Freitas; FARIAS, Mariana de Souza; DEMINICIS, Bruno Borges; DEMINICIS, Renata Gomes da Silveira. Daily weight gain of goats until weaning receiving two schemes of mineral supplementation. Revista de Ciências Agroveterinárias, Lages, v. 22, n. 4, p. 656–661, 2023. DOI: 10.5965/223811712242023656. Disponível em: https://periodicos.udesc.br/index.php/agroveterinaria/article/view/23814. Acesso em: 21 dec. 2024.

Issue

Vol. 22 No. 4 (2023)

Section

Research Article - Science of Animals and Derived Products

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