Abstract

BENITEZ-GONZALEZ, Edgar Enrique1*; CHAMBA-OCHOA, Hermógenes René¹; CALDERON-ABAD, Ángel Eduardo1*  and  CORDERO-SALAZAR, Franco Bolívar². Evaluation of nutritional blocks in the feeding of guinea pigs (Cavia porcellus) in stages of growth and fattening. J.Selva Andina Anim. Sci. [online]. 2019, vol.6, n.2, pp.66-73. ISSN 2311-2581.

Abstract The objective of this research was to evaluate the effect of nutritional blocks formulated with different energy sources, in guinea pig feeding (Cavia porcellus) in growth and fattening stages; Evaluating: Food consumption, weight gain, feed conversion, carcass yield, mortality and profitability. Using random block design with four treatments, 10 repetitions; 21 experimental units per treatment: T₁ control = Fodder (Rye grass + Alfalfa), T₂ = Fodder + Nutritional block with cornmeal, T₃ = Fodder + Nutritional block with wheat bran, and T₄ = Fodder + Nutritional block with rice powder. In the variable food consumption based on dry matter, the highest consumption in T₁ was determined with an average of 5312.62 g per week. T₂ presented the greatest increase in weight with an average of 702.11 g. T₂ reached the best food conversión, whose ratio is 3.65 to 1. T₂ achieved the best yield of carcass, with 73.75%. The highest mortality occurs in T₁ and T₄ with 19.05%. The treatment two presented the best profitability, with 30.72%.

Keywords : Guinea pig; Cavia porcellus; nutritional blocks; energy; carcass yield; feeding conversión.

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