the objective of the study was to compare the effects of antibiotic virginiamycin, probiotic protexin® and plantago major l. (plantain) on performance, serum metabolites, immune response, and the ileal microbial population of broilers. the experiment was carried out with a total of 200 day-old male ross 308 broiler chickens in a completely randomized design. chickens were allocated to five grou...

objective: this study was conducted to evaluate the effects of different proportions of marshmallow extract (althaea officinalis l.) on growth performance and carcass composition of common carp (cyprinus carpio). methods: common carp with an average weight of 37.65 ± 4.40 g were fed for two months with a diet supplemented with marshmallow (a. officinalis) extract 0.25%, 0.50 and 1%, and with no...

this study was undertaken to evaluate the effect of hydrolysable tannin (ht) and condensed tannin (ct) on growth performance and body composition of nile tilapia. hydrolysable tannin and ct were included into diets at four levels (0, 5, 15, and 25 g kg-1 diet). the diet with zero tannin level acted as control and the response of fish fed diets containing tannin was compared to that of the contr...

background & aim: a feeding trial was conducted to investigate the effect of periodically use of garlic on growth ‎performance, and antibody titer to newcastle and infectious bursal diseases in broiler ‎chickens. experimental: ross broiler chicks randomly allocated into the 10 dietary treatments ‎for 6 weeks. a 3 × 4 factorial experiment was used as three periods of feeding (starter, grower...

the purpose of this study was to evaluate the effect of zilpaterol hydrochloride on the growth performance, carcass quality and blood parameters with128 male quails at 26 days of age were divided into four treatments which each treatment consists of four replicates of 8 birds. the birds received daily 0, 0.2, 0.225, or 0.25 mg/kg of live weight d−1zilpaterol. after three days of withdrawing zil...

objective: an experiment was conducted to investigate the effects of citrus brown snail powder as a source of calcium on growth performance, tibia characteristics, immune response and blood metabolites in broiler chickens.  methods: one hundred and eighty 1-day old chicks were randomly distributed into four treatments, each of which had three replicates. each replicate contains 15 chicks. the t...

background: coccidiosis is recognized as the parasitic disease that has the greatest economic impact on poultry production. modern poultry production is largely dependent upon anticoccidials. objectives: the aim of the present study was to determine and compare the efficacy of two chemical anticoccidials (clopidol and diclazuril) on oocyst shedding and their probable effects on growth performan...