to compare the effect of coccidiostate drugs (salinomycin and maduramicin) on the oocyst sheding and performance of coccidi-infected broiler chicken, 180 ross 308 broiler chicken were randomly assigned to four treatments. each treatment contains 3 replacements of 15 chickens. treatment 1 and 2 fed diets supplemented with maduramicin and salinomycin until three days before experiment period, res...

The study tried to assess the chemoprotective effect of abnormal Savda Munziq (ASMq) on 1,2-dimethylhydrazine (DMH)-induced rat colon carcinogenesis. Male F344 rats were randomized into eight groups: Group 1 was served as control, no DMH injection was given and treated daily with normal saline. Rats in Groups 2-8 were given a single intraperitoneal injection of DMH (20 mg/kg body weight) at the...

The author describes and analyses the methods of disinfection in use until the end of the 18th century, i.e. before the scientific demonstration of the role of pathogenic microorganisms. These methods are classified into three categories: chemical (by derivatives of sulphur, mercury, copper, and also by alkalis and acids), physical (heating, fumigation, filtration, etc.) and biological (burial)...

the present study aimed to determine the effects of 12 weeks of aerobic exercise in different times of day on some cardiovascular risk factors in overweight men. 40 non-athletes, overweight men with an average age of 22.25±2.45 years old and bmi of 30.06±2.42 kg/m2 were randomly allocated to four groups of morning and evening aerobic training and control. morning and evening training groups per...

thirty six wistar albino rats with implant induced endometriosis were randomly divided into six groups of six animals each. the rats in the first group received nothing and were euthanized at day 21. in the second group, rats received nothing and were euthanized at day 36. the third group received atorvastatin (atv; 5 mg kg-1 per day, orally) until 21 days from induction of endometriosis, and t...

This study evaluated the effect of the intermittent light program on serum and brain melatonin concentrations, antioxidant enzyme activities, and homocysteine concentration in broiler chickens. A total of 60 one-day-old broiler chickens (Cobb 500) were distributed in three light-proof controlled rooms (20 chicks per room). All birds were reared in continuous light until 3 days of age. Then, chi...

abstract the critical period of weed control (cpwc) is a period in the crop growth cycle during which weeds must be controlled to prevent yield losses. in order to determine the critical period of weed control (cpwc) of corn in hamedan, an experiment was conducted in 2007 at agricultural research station of bu-ali sina university of hamedan. the experiment was carried out as a randomized comple...