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The Thai Journal of Veterinary Medicine

Abstract

Three hundreds and thirty six ISA Brown layers, 51 weeks of ages, were used to study the effect of adding probiotics (Lactobacillus acidophilus, Streptococcus faecium, electrolytes, acidifier and enzymes), to the feed, on egg production performance. Birds were randomly divided into three groups and received 3 levels, 0, 0.1 and 0.3% of probiotic additive over a period of 12 weeks. Layers fed 0.3% probiotic showed significantly (P<0.05) better FCR per kg of eggs, compared with the other two groups. Adding probiotics did not improve other production traits such as egg quality.

Publisher

Faculty of Veterinary Science, Chulalongkorn University

First Page

217

Last Page

225

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