Effect of two energy levels on the productive performance of guinea pigs (Cavia Porcellus) of the Peru breed

M. Augusto Morales, C. Fernando Carcelén, G. Miguel Ara, F. Teresa Arbaiza, F. Lilia Chauca

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Abstract

The aim of the study was to determine the response in terms of body weight gain, feed intake, feed conversion ratio, and carcass yield in guinea pigs of Peru breed between 8 and 12 weeks of age, using two isoproteic diets with different metabolizable energy levels (T1, 2.8; T2, 3.0 Mcal/kg DM) without forage and a third diet (T3) with 2.8 Mcal/kg plus forage. Feed and water were supplied ad libitum. Seventy two male weaned guinea pigs (14 ± 3 days of age) were randomly assigned to 24 rearing boxes (8 per treatment). None statistical difference was found between treatments on body weight gain or carcass yield. There was a better feed intake (total dry mater) in T3 (p<0.05). Groups T1 and T2 showed a better conversion ratio at week 10 (3.18 and 3.31) than T3 supplied with forage (4.01) (p<0.01).
Original languageAmerican English
Pages (from-to)177-182
Number of pages6
JournalRevista de Investigaciones Veterinarias del Peru
StatePublished - 1 Jul 2011

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