The dose response effects of liquid and lyophilized Carnobacterium divergens AS7 bacteriocin on the nutrient retention and performance of broiler chickens
Journal Title: Journal of Animal and Feed Sciences - Year 2011, Vol 20, Issue 1
Abstract
Efficacy of bacteriocin-divercin AS7 supplementation of broiler diets was evaluated. In two experiments one-day-old Ross 308 males were allocated randomly to six and eight dietary treatments, respectively, with 10 replicates (10 birds per replicate). In both experiments the birds were fed on diet non supplemented (negative control, NC) and supplemented with salinomycin (positive control, C). In Experiment 1, the effects of supplementation of the NC diet with 100, 200 or 800 units of liquid divercin, and in Experiment 2 with 100, 200 or 300 units of lyophilized divercin added in encapsulated or non-encapsulated form, were studied during starter and grower period. The response of birds in terms of feed intake, body weight gain (BWG) and feed efficiency (FE) depended on the growth period. In Experiment 1, supplementation of salinomycin or liquid divercin did not affect feed intake and BWG while FE was significantly improved by salinomycin. In Experiment 2, BWG was significantly improved by supplementation with salinomycin, all doses of non-encapsulated and the lowest dose of encapsulated divercin. In Experiment 1, the metabolizable energy content and fat digestibility tended to be greater in birds fed on diets supplemented with salinomycin and divercin than on NC diet, while in Experiment 2 were significantly greater on diet supplemented with salinomycin than on all other diets. It is suggested that divercin AS7 may improve performance of chickens but its efficacy depends on physical form.
Authors and Affiliations
D. Józefiak, A. Sip, M. Rawski, T. Steiner
Keywords
Related Articles
- EP ID EP74719
- DOI -
- Views 106
- Downloads 0
Comparison of jejunal digestive enzyme activities, expression of nutrient transporter genes, and apparent fecal digestibility in weaned piglets fed diets with varied sources of fiber
The objective of this study was to evaluate the effect of different fiber sources on jejunal digestive and absorptive physiology in weaned piglets. One hundred weaned piglets were allotted according to body weight, gende...
Polymorphism of the pig LMX1A gene, localized within the FAT1 region, is not associated with growth and fatness
The LMX1A gene, located within the 3.3 cM FAT1 QTL on porcine chromosome 4, was tested as a positional and functional candidate for fatness traits. A gene fragment consisting of the partial promoter, 5’UTR, exon 1, and p...
Practical validation of efficacy of the standardized ileal digestible amino acid values in diet formulation for broiler chickens
The aim of experiment was to determine the potential for the improvements in growth performance and carcass traits, and reduction of N excreta output in final rearing period of broiler chickens by formulating diets on st...
Feeding broiler chickens with practical diets containing lupin seeds (L. angustifolius or L. luteus): effects of incorporation level and mannanase supplementation on growth performance, digesta viscosity, microbial fermentation and gut morphology
Total 208 day-old female broilers were fed on isonitrogenous and isoenergetic diets containing seeds of sweet narrow-leafed (L. angustifolius cv. Bojar – NL) or sweet yellow (L. luteus cv. Parys – YL) lupin at the level...
Incorporation of endogenous urea nitrogen into amino acids of milk in goats fed diets with various protein levels
The aim of the study was to estimate how much endogenous urea nitrogen (EUN) was incorporated into various amino acids of milk protein when goats were fed low (LP), medium (MP), or high protein (HP) diets in a 3 × 3 Lati...