Parvin Shawrang

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In the present study, the effects of natural zeolite clinoptilolite on absorption of immunoglobulins from colostrum and incidence of enteric diseases were evaluated. In a completely randomised design, thirty Holstein calves were fed pooled colostrum and then milk containing zero (control), 0.5 (T1), 1.0 (T2), 1.5 (T3) and 2.0 (T4) g clinoptilolite per kg(More)
The effects of gamma irradiation on ruminal dry matter, Neutral Detergent Fiber (NDF) degradation of alfalfa hay were investigated. Alfalfa hay samples were irradiated by gamma irradiator at doses of 50, 100 and 150 kGy under identical conditions of temperature and humidity. Nylon bags of untreated or irradiated samples were suspended in the rumen of three(More)
This study was conducted to investigate the effect of feeding a probiotic, Bacillus subtilis, on antibody titers against Newcastle and infectious bursal viruses in broiler chickens challenged with Salmonella enterica serotype Enteritidis. One hundred and sixty 1-day-old broiler chicks were randomly assigned to four treatments in a completely randomized(More)
In a completely randomized design, preventive effects of mannan-oligosaccharide (MOS, 0.05 and 0.1% dry matter of diet) and heat activated sodium bentonite (1.5 and 3% dry matter of diet) on aflatoxin detoxification were evaluated and compared. Chicks were fed on different dietary treatments at four replicates from 1 to 42 d of age. Birds were vaccinated(More)
The effect of electron beam irradiation at doses of 100, 200 and 300 kGy on ruminal dry matter degradation kinetics of wheat straw was investigated. Samples were irradiated by electron beam irradiator under identical conditions of temperature and humidity. Nylon bags of untreated or irradiated wheat straw were suspended in the rumen of three Taleshi steers(More)
The effect of medicinal plant (Sangrovit), probiotic (PrimaLac), and organic acid (Selko-pH) as feed additives, on fecal excretion of Campylobacter (cfu/g) on broilers were evaluated. Other measurements such as performance, immune response and serum lipids were determined. A total of 300 broilers (Cobb 500) were fed unsupplemented diet (negative and(More)
This study was conducted to evaluate the effect of ginger supplementation on plasma malondialdehyde (MDA) and total antioxidant capacity (TAC) in broiler chicks challenged with Salmonella. At a 4 × 2 factorial arrangement, 400 1-day old chickens were randomly allocated to eight treatments. Treatments were as: four ginger level (0.0, 0.25, 0.50 and 0.75%, as(More)
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