thin ewes or very over-conditioned ewes and ewes carrying multiple pregnanciesare more likely to develop pregnancy toxemia (ketosis). pregnancy toxemia is a metabolic disorder characterized by hypoglycemia and hyperketonemia resulting from incapacity of the ewes to maintain adequate energy balance (usually in the last 5-6 weeks).available information about pregnancy toxemia focuses mainly on pa...

background: invasive ductal carcinoma is the most common type of breast cancer in iran. impaired immune responses occur frequently in cancer patients, but the mechanisms of the induced immune defects remain poorly understood. it is believed that infiltrated immune cells, especially macrophages, may provide help for tumor cell growth and metastasis.   objective: to analyze the status of tumor as...

Phrynus longipes (Pocock 1894) is a top predator among arboreal invertebrates in the Luquillo Mountains of Puerto Rico, but many aspects of its ecology remain poorly understood. We sampled four of the most abundant tree species in the Luquillo Mountains during the dry and wet seasons of 2008 to evaluate microhabitat preferences of this species. In the dry season, P. longipes occurred significan...