Study of Lactococcus lactis and Lactobacillus casei Probiotics Addition on Analysis of Laying Hens Strain Isa Brown Infected with E. coli

This study aims to determine the use of probiotics Lactococcus lactis and Lactobacillus casei. on analysis laying hens infected with Escherichia coli. A total 120 aged 25 weeks were divided into 6 treatments. Each treatment included 4 repetitions, each which 5 hens. The treatments factor a, namely infectious non-infectious escherichia coli B, AGP, basal feed probiotics.. result this research shows that Lactococccuslactis caseion bacteria results giving had a significant effect (P<0.05) variable costs, acceptance profits. infection revenues Based research, it can be concluded addition probiotic casei bacteri increases income