Alternatives to Antibiotics
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Article
Effects of antibiotic-free diet and stocking density on male broilers reared to 35 days of age. Part 2: feeding and drinking behaviours of broilers
The U.S. broiler industry is trending toward antibiotic-free (ABF) production because of increasing concerns on antimicrobial resistance in human medicinal treatments. Given the differences in performance observed between ABF diets and conventional diets, changes in feeding and drinking behaviors... Continue reading...
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Article
In vivo and in vitro assessment of commercial probiotic and organic acid feed additives in broilers challenged with Campylobacter coli
Campylobacter is a major foodborne pathogen associated with the consumption or handling of raw or undercooked poultry meat. In vitro and in vivo experiments were conducted to evaluate the effectiveness of commercial probiotic and organic acid (OA) feed additives for the reduction of Campylobacter... Continue reading...
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Article
Research Note: Effect of synbiotic supplementation on caecal Clostridium perfringens load in broiler chickens with different necrotic enteritis challenge models
Studies were conducted to determine the efficacy of synbiotic applications to combat the negative effects of necrotic enteritis (NE). An in vitro study was conducted to test the effect of probiotics species supernatants to decrease Clostridium perfringens (CP) proliferation. Lactobacillus reuteri,... Continue reading...
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Article
Ameliorating effect of Withania somnifera root extract in Escherichia coli–infected broilers
The present study was undertaken to investigate the effect of aqueous Withania somnifera root (WSR) extract in broiler chicks experimentally infected with Escherichia coli O78 @ 107 CFU/0.5 ml intraperitoneally. Clinical signs and mortality due to colibacillosis observed in infected chicks were... Continue reading...
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Article
Effects of dietary probiotic (Pediococcus acidilactici) supplementation on productive performance, egg quality, and body composition in laying hens fed diets varying in energy density
This study was conducted to determine the effect of probiotic Pediococcus acidilactici (PA) strain MA18/5M supplementation of diets with different dietary energy levels on productive performance, egg quality, and body composition in Hy-Line Brown hens during a 16-week period from 32 to 47 wk of age... Continue reading...
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Article
Sodium butyrate as an effective feed additive to improve growth performance and gastrointestinal development in broilers
This study was conducted to evaluate the effects of dietary sodium butyrate (SB) supplementation on growth performance, the development of gastrointestinal tract and immune organs (thymus, spleen and bursa of fabricius), and serum antibody titer after Newcastle disease (ND) vaccination in broilers... Continue reading...
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Article
Effect of Dietary Organic Acids and Humic Substance Supplementation on Performance, Immune Response and Gut Morphology of Broiler Chickens
This study evaluated the additive effects of a commercial feed supplementation blend (Ava Cid P)—consisting of humic substances, coated sodium butyrate, and a small acidifier portion—on the growth, immune response, and gut health of broiler chickens. A total of 540 female and 540 male broilers were... Continue reading...
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Article
Effects of an Essential Oil Mixture Added to Drinking Water for Temperature-Stressed Broilers: Performance, Meat Quality, and Thiobarbituric Acid-Reactive Substances
This study investigated the effects of an essential oil mixture (EOM; Eucalyptus globulus labill, Tymus vulgaris, Cymbopogon nardus, and Syzgium aromaticum) added to drinking water on temperature-stressed broilers. The performance parameters (body weight, average daily weight, feed intake, and feed... Continue reading...
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Article
Citrullus lanatus essential oils inclusion in diets elicit nutraceutical effects on egg production, egg quality, and physiological characteristics in layer hens
The study evaluated the effects of Citrullus lanatus essential oils inclusion in diet on egg production, egg quality, and physiological parameters in layer hens. A total of 72 White Leghorn point-of-lay hens at 18 wk were used for the study. The hens were randomly allocated to following 3 dietary... Continue reading...
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Article
Effects of a bioactive olive pomace extract from Olea europaea on growth performance, gut function, and intestinal microbiota in broiler chickens
The present study aims to investigate the effects of supplementing broiler diets with a bioactive olive pomace extract (OE) from Olea europaea on growth performance, digestibility, gut microbiota, bile acid composition, and immune response. To this end, three hundred and six 1-day-old broiler... Continue reading...