Gibberellic acid (GA3) , a plant growth hormone that causes hazards to organs, usually by ingestion of fresh fruits. Liver is considered the first toxicity site . Olive oil, a vegetable oil, is a source of antioxidants.

Study the effect of gibberellic acid (GA3) on postnatal development of liver and role of olive oil for protection by applying histological and immunohistochemical techniques.

Adult female rats, were mated with males , then they were divided into 3 equal groups of 15 rats each: control (received no treatment), GA3 treated ( received GA3 at a dose of 55 mg/kg. B.W. orally in distilled water with concentration 0.2 g per litre) and protected ( received at the same time , both GA3 in the previous dose and olive oil via gastric gavage at a dose of 16.6 ml/kg. of B.W.).Doses of GA3 and olive oil , usually given from day 14 of pregnancy till day 21 after delivery and were given to …