الكاتب: Multiple References

Blood samples from 16 female camels were collected at monthly intervals commencing from 60 d post breeding until the last month of gestation. Two camels failed to conceive and two had unnoticed abortions. The average gestation period was 398+13 and 372+11 in camels bearing male and female fetus, respectively, with an overal I mean of 383+9 d. Sera were analyzed for thyroxine (T ) 9 and triiodothyronine (T ) + by radioimmunoassay. Mean T concentrations varied rom 76 to 116 ng/ml and 0.+3 “t”,” 1.32 ng/ml I n genera;, respectively, during various stages of gestation. levels were higher during early pregnancy, with the T4 and T3 . lowest values In the tenth month. T :T OP ratio showed minor, nonsignificant fluctuations. dzm ot sex of fetus had no effect on hormone levels. Age Similarly, hormone levels were not affected by failure of conception or by abort ion.