Sweet potato vines in diets for growing rabbits on performance, carcass characteristics and meat quality

Animal Science Journal = Nihon Chikusan Gakkaihō
Ana Carolina Kohlrausch KlingerFernanda Rodrigues Goulart

Abstract

The use of residues as substitutes for conventional ingredients in animal feed is a promising alternative able to reduce both costs and environmental pollution. This study aimed to evaluate the viability of using sweet potato vines (SPV) as a replacement for alfalfa hay in diets for growing rabbits. The performance, carcass characteristics, meat composition and metabolic parameters of the liver were evaluated in 30 New Zealand rabbits weaned at 35 days old and an average weight of 900 g. The animals were allotted into three dietary groups: 0SPV, control diet without SPV; 50SPV, diet with 50% replacement of alfalfa hay by SPV; 100SPV, diet with 100% replacement of alfalfa hay by SPV. The animals were slaughtered at 77 days of age. The liver was collected for analysis of glucose and hepatic glycogen and meat samples were collected for analysis of the chemical composition. The data obtained were statistically compared by analysis of variance followed by the Tukey test (0.05). None of the analyzed variables presented differences. It can be concluded, therefore, that SPV may be used as a substitute for alfalfa hay up to 100% in diets for rabbits without impairing the performance and meat composition.

References

Mar 23, 2012·Animal : an International Journal of Animal Bioscience·C RégnierD Renaudeau
Jan 14, 2017·Journal of Animal Physiology and Animal Nutrition·A C K KlingerF Goulart

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Citations

Aug 30, 2019·Tropical Animal Health and Production·Diuly Bortoluzzi FalconeLeila Picolli da Silva

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