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SM ISO690:2012 BONDAR, A., MACARI, Vasile, RUDIK, V., PISTOL, Gheorghe, PUTIN, Victor, ROTARU, Alina, CHIRIAC, Tatiana, SOLCAN, Gheorghe, SOLCAN, Carmen. Effects of ZooBioR2 product as feed supplement in laying hens on the morphofunctional state of intestinal mucosa. In: Arquivo Brasileiro de Medicina Veterinaria e Zootecnia, 2022, nr. 4(74), pp. 626-632. ISSN 0102-0935. DOI: https://doi.org/10.1590/1678-4162-12684 |
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Arquivo Brasileiro de Medicina Veterinaria e Zootecnia | |
Numărul 4(74) / 2022 / ISSN 0102-0935 /ISSNe 1678-4162 | |
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DOI:https://doi.org/10.1590/1678-4162-12684 | |
Pag. 626-632 | |
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Spirulina platensis is a microalga with biological activity used to produce nutritional supplements rich in proteins, essential fatty acids, vitamins, and minerals. The current study aims to prove the impact of the product ZooBioR2 (obtained from Spirulina platensis) on health, and on the histology of duodenum, jejunum, ileum, and cecum in laying hens. The experiment was performed in duplicate on 5 groups of hens (14 birds/group), one control and four experimental, in which the feed was supplemented with ZooBioR2 in different doses (5.0; 10.0; 15.0; 20.0mg active substance/kg of fodder). Inclusion of the supplement in the diet have determined a significant decrease of height of intestinal villi, the depth of the crypts and the thickness of muscular layer of mucosa in the experimental groups receiving 15.0 and 20.0mg/kg. The decrease of crypts depth is an indicator of a higher rate of turn-over of epithelial tissue. The morphological changes of intestinal mucosa could be involved in a better digestibility of the fodder |
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Cuvinte-cheie Growth promoters, histology, intestine, Laying hens, Spirulina platensis, sistema de monitoramento contínuo, glicosímetro, cetoacidose diabética, diabetes melito, manejo amigável |
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