Growth Performance, Nutrients Digestibility, and Blood Metabolites of Lambs Fed Diets Supplemented with Probiotics during Pre- and Post-Weaning Period.

摘要: OBJECTIVE Two experiments were conducted to evaluate the effects on growth performance, digestibility, and blood metabolites of lambs during pre- post-weaning period inclusion a commercial probiotic (PRO) containing mixture two strains Pediococcus, Pediococcus acidilactici (1×106 colony-forming unit [cfu]/g) pentosaceus (1.3×106 cfu/g), with dextrose as carrier compound compared diet based concentrate wheat straw. METHODS In exp. 1, 24 male about 15±2.6 d age initial body weight (BW) 5.52±0.6 kg randomly allocated into three groups. One group received control without additives, remainders supplemented 0.5 or 1 g PRO/lamb/d. Daily feed intake biweekly BW recorded. 2, five lambs, (initial = 29.72±1.15 kg, 6.54±0.32 mo) used experimental animals in digestion trial. They fed same diets Exp. 1. RESULTS The supplementation PRO did not result any significant differences milk intake, average daily gain (ADG), total between treatments pre-weaning period. Total dry matter tended be greater (p 0.07) addition diets. During phase, final BW, ADG, gain, conversion ratio receiving (p≤0.10) than group. Addition decreased (p≤0.01) urea cholesterol concentrations. With exception ether extract all nutrients digestibility improved CONCLUSION Lambs that appeared show better performance trended towards ratio, digestibility.