in this survey aflatoxin contamination of fifty two samples of raw milk and nine samples of commercial milk were determined by t.l.c. method. the results showed that 92.31% of the samples of raw milk and all the samples of commercial milk were contaminated by aflatoxin m1 and m2. none of the samples contained alatoxin b1, b2, g1 and g2. the maximum amounts of 23/. g/lit and 20.1 g/lit were foun...

a total of 280 unsexed broiler chicks, 21 days-old and weighing 580 g on average were randomly distributed into 28 experimental units of 10 birds each. seven experimental diets containing respectively 0% (t0 control), 20% raw cowpeas (t1), 20% raw cowpeas + 0.2% of canarium charcoal (t2), 20% raw cowpeas + 0.2% maize cob charcoal (t3), 20% cooked cowpeas (t4), 20% cooked cowpeas + 0.2% canarium...

milk and milk products containing antibiotics especially penicillin may present a health hazard to individuals who are super sensitized to penicillin. a total of 620 samples of raw milk which were delivered to tehran pasteurization plant were examined. 294 samples were antibiotic-negative and 326 samples showed to contain antibiotic. considering the results obtained, certain recommendations wer...

listeria monocytogenes as one of the most important pathogen in public health concerns is transmitted through consumption of contaminated food. the pathogen has been considered as a potential source of contamination of raw milk and dairy products. this research was aimed to investigate prevalence of l. monocytogenes in raw milk in kerman region. in the summer of 2011, a total number of one hund...

The aim of this study was to determine and compare in situ biohydrogenation (BH) fatty acids in three forms of soybeans and linseed (raw, extruded and roasted). Nylon bags (5×10 cm) containing 4 g of raw, extruded or roasted soybeans or raw, extruded or roasted linseed were incubated in the rumen of fistulated ewes for 4, 8, 12 and 24 hours. Results for linoleic acid (C18:2) showed tha...