Mineral Content of Liver of Buffaloes (Bubalus bubalis) Reared in Different Ecosystems in the Eastern Amazon
Author:
Rodrigues Laurena Silva1ORCID, da Silva Jamile Andréa Rodrigues2ORCID, Lourenço-Júnior José de Brito1, e Silva André Guimarães Maciel1ORCID, de Almeida André Martinho3ORCID, Mourato Miguel Pedro3ORCID, de Castro Vinicius Costa Gomes4ORCID, da Silva Welligton Conceição1ORCID, Prates José António Mestre56ORCID
Affiliation:
1. Postgraduate Program in Animal Science (PPGCAN), Institute of Veterinary Medicine, Federal University of Para (UFPA), UFRA, Brazilian Agricultural Research Corporation (EMBRAPA), Castanhal 68746-360, Brazil 2. Institute of Animal Health and Production, Federal Rural University of the Amazônia (UFRA), Belem 66077-830, Brazil 3. Linking Landscape, Environment, Agriculture and Food (LEAF), Institute of Agronomy (ISA), University of Lisbon, 1349-017 Lisboa, Portugal 4. Postgraduate Program in Animal Health and Production in the Amazon (PPGSPAA), Federal Rural University of the Amazon (UFRA), Belem 66077-830, Brazil 5. Center for Interdisciplinary Research in Animal Health (CIISA), Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisboa, Portugal 6. Associate Laboratory for Animal and Veterinary Science (AL4Animals), 1300-477 Lisboa, Portugal
Abstract
This study aimed to evaluate the influence of different production ecosystems, three in native and cultivated pastures (extensive), at two seasons of the year (dry and rainy), and one in confinement (intensive) in the Eastern Amazon, on the mineral content of buffalo liver raised on these ecosystems. Twelve male buffalo (n = 12), aged between 24 and 36 months, slaughtered in commercial slaughterhouses, were used in each of the ecosystems considered: Marajó; Lower Amazon; Cultivated Pasture, and in confinement system, Pará, Brazil. Approximately 5 g of liver was collected, stored and frozen until lyophilization. Samples were analyzed for mineral content based on inductively coupled plasma optical emission spectrometry (ICPOES) readings. The relationship between extensive ecosystems and an intensive production system (p < 0.05) in the values of potassium (K), iron (Fe), copper (Cu), manganese (Mn) and barium (Ba) was evaluated. The different ecosystems studied influenced (p < 0.05) the mineral values found in the liver of buffaloes raised in the ecosystems, for sodium (Na), K, calcium (Ca), magnesium (Mg), sulfur (S), copper (Cu), iron (Fe), manganese (Mn) and barium (Ba). The period of the year interacted with the values of Na, K, S and Cu; however, an interaction of local vs. period of the yer was observed for the values of K, Mg, P, S and Cu. It can be concluded that the buffalo liver is an excellent source of minerals and can be included in the human diet and that the ecosystem the animals are raised influences its content.
Funder
Federal University of Pará and Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Brasil Pró-Reitoria de Pesquisa e Pós-Graduação
Subject
General Veterinary,Animal Science and Zoology
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