The study was conducted to investigate the effects of a multi-enzyme complex (Rovabio Excel) containing carbohydrolase activities on the performance of broiler chickens. Test diets were formulated to include 12% corn distillers dried grain with solubles (DDGS). In total, 1200 Cobb 500 broiler males were randomly assigned to 8 replicate pens of 50 birds per treatment and grown to 45 d of age usi...

the objective of this study was to determine the effect of different levels of chicory root and stem powder (crsp) and butyric acid (ba) combination on the performance, carcass traits, relative weight of internal organs and some blood parameters in broiler chickens. two hundred and forty one-day-old broilers (ross 308) were used in a completely randomized design with four treatments with six re...

the present study was carried out to examine the effects of satureja khuzistanica essential oils(skeo), on cholesterol content, fatty acids composition, and thiobarbituric acid reactive substances,(tbars) concentration of raw breast meat in broiler chickens. a total of 720 one-day-old broilerchicks (cobb 500) were taken as sample to study the effects of six experimental treatments in 6replicate...

this experiment was performed to investigate the effects of propolis and chromium picolinate on performance and immune response of broiler chicken under heat stress conditions. treatments included different levels of propolis (500, 1000, and 1500 mg/kg) and chromium picolinate (1500 µg/ kg) along with a control group. a completely randomized design was taken into account with 4 replicates of 10...

The objective of this study was to evaluate whether the addition enzymes phytase and xylanase, isolated or associated, in liquid form after feed pelletization could improve energy utilization digestibility calcium phosphorus by broiler chickens. Three experiments were performed using 120 birds each, divided into five treatments with eight replicates per group (n = 3), identified as: experiment ...

this study was conducted to investigate the effects of dietary nigella sativa meal (nsm) on the growth performance, blood parameters, carcass characteristics, egg yolk cholesterol and meat quality in japanese quail. for this purpose 300 one-day old japanese quail chicks in a completely randomized design was used with five treatments in four replicates )containing 15 birds each(. the experimenta...

an experiment was conducted to evaluate the effect of early feed restriction on performance and serum thyroxin concentration of broiler chicks. the experiment was designed in a 2×2 factorial with 5 replicates of floor pens with 12 male or female chicks in each. 240 male and/or female day-old chicks of a commercial strain (hybrow) were wing banded, weighed and randomly allocated to two treatment...

Adapting existing laying facilities to meet animal welfare certifications is not a simple task. It causes higher expenses producers, who are often hesitant accept the need for changes. Considerations of their financial situation make them insecure assertive decisions in this area, as they seek maintain economic efficiency poultry. This study aims analyze viability systems (conventional cages an...