this study was conducted to determine the properties of islets of langerhans in pancreas of adult and immature, male and female maquee sheep. for this purpose, 20 samples of pancreas were used equally for each male and female, immature and adult animals. paraffin sections that they were stained by h&e; method were used for mean distribution and dimension of langerhans islets, and maldonado stai...

Feeds produced from Senegalia mellifera species have not been considered as an alternative feed to livestock during the dry season when rangelands cannot provide quality grazing resources. This study assessed palatability of feeds developed fed weaned Damara sheep. A Randomized Complete Block Design with sex blocking factor was used for trial four diets which were randomly allocated growing Six...

The performance and economics of production of West African Dwarf (WAD) sheep was investigated in an experiment that lasted for 70 days. Twelve male sheep averaging 9.9 kg in liveweight and aged 7 9 months were randomly assigned to four treatment groups in a completely randomized design with three animals per treatment. Chemical composition of diets, intake, liveweight gain and cost implication...

BACKGROUND Anaplasma ovis infections can cause clinical symptoms in acute phase and lead to huge economic losses in flocks. The aim of the present study was to investigate the hematological and parasitological changes in experimental anaplasmosis in sheep with Iranian strain of A. ovis. METHOD Five male sheep without any blood parasite infection were selected. One hundred ml heparinized blood...

Background and Objectives Q fever is a zoonotic disease and farm animals serve as the main reservoir of the disease. The aim of this study was to evaluate the seroprevalence of Q fever in sheep, in Lorestan province in western Iran. Materials and Methods In this cross-sectional study, 330 blood samples were collected from sheep, from each county in Lorestan province. The samples were tested b...

The efficacy of a molybdate formulation and a zinc oxide bolus as prophylactic agents for enzootic icterus was evaluated in sheep. Before copper loading, liver biopsies were performed on 12 male, 6-month-old, Mutton Merino sheep to determine hepatic copper (Cu) and zinc (Zn) concentrations. The animals were restrictively randomised according to liver copper concentrations to 3 treatment groups ...