Macromineral and trace element requirements for Santa Ines sheep

Abstract Minerals play an important role in animal metabolism. Knowledge of mineral requirements allows well-formulated diets to be provided, which is the main factor that affects performance. To determine the macromineral and trace element requirements for growth and maintenance, thirty-eight 2-mon...

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Autores principales:	Dayanne Lima Sousa, Marcos Inácio Marcondes, Luciano Pinheiro Silva, Francisco Wellington Rodrigues Lima, Caio Julio Lima Herbster, Jocely Gomes Souza, João Paulo Pacheco Rodrigues, Leilson Rocha Bezerra, Ronaldo Lopes Oliveira, Elzania Sales Pereira
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d34c6eb4b7804b6b8753f10b2992ab68
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spelling	oai:doaj.org-article:d34c6eb4b7804b6b8753f10b2992ab682021-12-02T17:47:23ZMacromineral and trace element requirements for Santa Ines sheep10.1038/s41598-021-91406-w2045-2322https://doaj.org/article/d34c6eb4b7804b6b8753f10b2992ab682021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-91406-whttps://doaj.org/toc/2045-2322Abstract Minerals play an important role in animal metabolism. Knowledge of mineral requirements allows well-formulated diets to be provided, which is the main factor that affects performance. To determine the macromineral and trace element requirements for growth and maintenance, thirty-eight 2-month-old Santa Ines lambs with initial body weight (BW) of 13.0 ± 1.49 kg were distributed in a factorial design with feeding levels (ad libitum, 30% and 60% feed restriction) and sex classes [castrated (CM) and intact males (IM)]. The net mineral requirements for gain were higher (P < 0.05) with increasing BW and average daily gain, except for Ca and Na, which remained constant as the empty BW (EBW) increased. The macromineral net requirement for maintenance (g/kg EBW0.75) and the true retention coefficient (k; %) were 0.0784 and 65.2 for Ca, 0.0926 and 80.0 for P, and 0.0379 and 59.0 for K, respectively. The k of Mg was higher (P < 0.05) for IM (11.3 for IM and 7.9 for CM). Sex did not affect (P > 0.05) the maintenance requirement of the trace elements Co, Cu, Zn and Cr which were 0.0015, 0.037, 0.698, and 0.0055 (mg/kg EBW0.75), respectively. Our study indicated that the Santa Ines net mineral requirements are different from the main nutritional requirements established by committees for sheep, which may result in unbalanced diets.Dayanne Lima SousaMarcos Inácio MarcondesLuciano Pinheiro SilvaFrancisco Wellington Rodrigues LimaCaio Julio Lima HerbsterJocely Gomes SouzaJoão Paulo Pacheco RodriguesLeilson Rocha BezerraRonaldo Lopes OliveiraElzania Sales PereiraNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Dayanne Lima Sousa Marcos Inácio Marcondes Luciano Pinheiro Silva Francisco Wellington Rodrigues Lima Caio Julio Lima Herbster Jocely Gomes Souza João Paulo Pacheco Rodrigues Leilson Rocha Bezerra Ronaldo Lopes Oliveira Elzania Sales Pereira Macromineral and trace element requirements for Santa Ines sheep
description	Abstract Minerals play an important role in animal metabolism. Knowledge of mineral requirements allows well-formulated diets to be provided, which is the main factor that affects performance. To determine the macromineral and trace element requirements for growth and maintenance, thirty-eight 2-month-old Santa Ines lambs with initial body weight (BW) of 13.0 ± 1.49 kg were distributed in a factorial design with feeding levels (ad libitum, 30% and 60% feed restriction) and sex classes [castrated (CM) and intact males (IM)]. The net mineral requirements for gain were higher (P < 0.05) with increasing BW and average daily gain, except for Ca and Na, which remained constant as the empty BW (EBW) increased. The macromineral net requirement for maintenance (g/kg EBW0.75) and the true retention coefficient (k; %) were 0.0784 and 65.2 for Ca, 0.0926 and 80.0 for P, and 0.0379 and 59.0 for K, respectively. The k of Mg was higher (P < 0.05) for IM (11.3 for IM and 7.9 for CM). Sex did not affect (P > 0.05) the maintenance requirement of the trace elements Co, Cu, Zn and Cr which were 0.0015, 0.037, 0.698, and 0.0055 (mg/kg EBW0.75), respectively. Our study indicated that the Santa Ines net mineral requirements are different from the main nutritional requirements established by committees for sheep, which may result in unbalanced diets.
format	article
author	Dayanne Lima Sousa Marcos Inácio Marcondes Luciano Pinheiro Silva Francisco Wellington Rodrigues Lima Caio Julio Lima Herbster Jocely Gomes Souza João Paulo Pacheco Rodrigues Leilson Rocha Bezerra Ronaldo Lopes Oliveira Elzania Sales Pereira
author_facet	Dayanne Lima Sousa Marcos Inácio Marcondes Luciano Pinheiro Silva Francisco Wellington Rodrigues Lima Caio Julio Lima Herbster Jocely Gomes Souza João Paulo Pacheco Rodrigues Leilson Rocha Bezerra Ronaldo Lopes Oliveira Elzania Sales Pereira
author_sort	Dayanne Lima Sousa
title	Macromineral and trace element requirements for Santa Ines sheep
title_short	Macromineral and trace element requirements for Santa Ines sheep
title_full	Macromineral and trace element requirements for Santa Ines sheep
title_fullStr	Macromineral and trace element requirements for Santa Ines sheep
title_full_unstemmed	Macromineral and trace element requirements for Santa Ines sheep
title_sort	macromineral and trace element requirements for santa ines sheep
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/d34c6eb4b7804b6b8753f10b2992ab68
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Macromineral and trace element requirements for Santa Ines sheep

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