The effect of additional tannins source from Mahagony leaves (Swietenia mahagoni) to purine derivate excression in urine and synthesis of rumen microbial protein of Merino sheep

Abstract

Abstract This study aimed to determine the effect of adding mahogany (Swietenia mahagoni) leaves as a source of tannins on purine derivatives (DP) excretion in urine and rumen microbial protein synthesis of merino sheep. This study used 12 sheep with an average body weight of 32.46 ± 5.186 kg which were given additional tannin from mahogany leaves in the feed. The data were analyzed using a completely randomized design analysis unidirectional pattern, with three different levels of tannin treatment (0%, 1.5%, and 3%) and four replications. The feed given during the research process was in the form of forage and concentrate on a ratio of 60% and 40%. The administration was given 2 times a day with a ratio of 60% and 40% in the morning and evening. There was no significant effect (P >0.05) on the addition of Mahogany leaves for the excretion of purine derivatives in urine and microbial protein synthesis of the rumen of Merino sheep.