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Journal of the Selva Andina Animal Science

Print version ISSN 2311-2581


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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