Year: 2017 | Month: August | Volume 7 | Issue 4
Effect of Diets Supplemented with Bacterial Culture (Lactobacillus bulgaricus + Lactococcus lactis lactis) on the Performances, Haemato-Biochemical Parameters and Carcass Characteristics of Broiler Chicken
Abstract:
The effect of three levels of probiotic bacterial culture (Lactobacillus bulgaricus + Lactococcus lactis lactis) was studied in 240, day-old Ven Cobb broiler chicks. Chicks were randomly allocated to three groups (4 replicates per group; 10 chicks per replicate) following randomized block design. The starter (0-14 day) diets contained 23% CP and 2978 kcal ME/kg feed. Grower’s (14 -28 day) diet contained 22.5% CP and 3141 kcal ME/kg while finisher’s (28-42 day) diet contained 20.10% CP and 3241 kcal ME/kg feed. Treatment T1 was control (basal diet without probiotic and E-Care-Se) and T2 and T3. Treatment were supplemented with probiotic bacterial culture: Lactobacillus bulgaricus + Lactococcus lactis lactis @ 2.7 × 105 + 2.7 × 105 and 5.4 × 105 + 5.4 × 105 CFU / g feed, respectively. Significant (p<0.05) reduction in DM intake and FCR in T3 was observed. In spite of lower intake of DMI and FCR from T2 to T3 showed significant (p<0.05)) increase in body weight gain, calcium and phosphorus balances and efficiency of utilization of protein and energy for gained biomass in broilers. The non- significantly higher increased in weight of different cuts of carcass were measured in broilers of T3. With regards to the hemato-biochemical profile there was significant (p<0.05) increased in the number of lymphocytes and HDL and significantly (p<0.05) decreases in the total serum cholesterol in the broilers of T3 decreased. The higher performances and immunological responses (p<0.05) were noticed the in broilers treatment T3 supplemented with 5.4×105CFU/g+5.4x105CFU/g bacterial culture of Lactobacillus bulgaricus + lactococcus lactis lactis.
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