Perfil metabólico de ovinos alimentados com silagem de subproduto de maracujá
DOI:
https://doi.org/10.17648/diversitas-journal-v6i1-1696Abstract
ABSTRACT: The work aimed to evaluate the metabolic profile in sheep without a defined breed standard, consuming diets composed of silage of by-products of passion fruit in substitution for hay of Tifton. The work was carried out at the Engineering and Agricultural Sciences Campus of the Federal University of Alagoas, using 28 sheep, with an average body weight of 25 kg. With a 60-day trial period, 15 for adapting the environment and management and 45 for data collection. The diet consisted of bulky Tifton hay (Cynodon ssp.) And passion fruit by-product (peel) silage (Passiflora edulins), and as a concentrate, soybean meal (Glycine max), corn meal (Zea mays) and mineral salt, provided ad libitum. The treatments consisted of levels of passion fruit residue to replace the typhoon hay (0, 20, 40 and 60%) in diets whose proportion was 60% roughage and 40% concentrate. The animals were housed in individual, identified pens, provided with a feeder and a drinking fountain. They were weighed at the beginning and end of the experimental period. The collection of spot urine, as well as blood, was performed four hours after the supply of food. The design used was completely randomized, whose data were interpreted through analysis of variance and regression through the statistical program SAS (2001). For the consumption of dry matter and body weights, an increasing linear behavior was observed. The urine volume also exhibited the same behavior. The metabolic profile of the sheep showed an increasing linear behavior, as well as the microbial protein synthesis for the replacement levels. The replacement of Tifton hay by silage of the passion fruit residue presents better metabolic profiles and microbial protein in confined sheep.
KEYWORDS: Lambs, Ruminants, Metabolism.
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