The present study evaluated the possible protective effects of selenium against atrazine-
induced toxicity in the liver and reproductive system of rats. Atrazine administered to rats
orally at a dose of 120mg/kg caused an inhibition in the activity of glutathione-S-transferase
and an increase in malondialdehyde formation in the liver, testis and epididymis.
Superoxide dismutase decreased in the liver and testis but was increased in the epididymis.
Furthermore, hepatic glutathione and lactate dehydrogenase activity increased while …

Some reproductive parameters of the Nigerian local bitches were studied at the kennel of
the Department of Veterinary Surgery and Reproduction, University of Ibadan using 6
bitches and 1 stud aged between 2 and 3 years, weighing 10 to 12kg. The bitches were
mated naturally by the stud at the second day of cytological oestrus and allowed to carry the
pregnancy to term. The bitches and puppies were weighed weekly and observed till
weaning. Mean gestation length was 63.5+ 0.3 day. Mean litter size was 7.0+ 2.0 puppies …