This study was conducted at animal farm / Collage of Agriculture,
Basrah University, during the period from April to December . A total of 8
blood samples were taken from dry female goats at (2.5-3.5) years old
during first day of April , July , October , December months .The aim of this
study to evaluate the effect months of year on blood (WBC , RBC, PCV and
Hb) and biochemical parameters (Fe , Phosphate, Albumin, Total protein,
Cholesterol and Glucose in addition to some hormones like Estrogen and
thyroxin. The present study resulted that there were significant (P<0.05)
increase in blood red cell count , total white blood cell number , and
monocytes percentage in summer compared with spring and winter .
Hemoglobin concentration and PCV percentage were significantly (P<0.05)
increased in summer compared with other seasons. Iron concentration was
highly significantly (P<0.05) increased in summer and autumn in comparison
with other seasons. The results also showed that there were significant
(P<0.05) increase in Estrogen and decrease in thyroxin hormone
concentration in summer compared with other seasons.