prices of meat in the international and a nation's internal markets tend to be closely related to each other. this relation could be sometimes harmful and due to lagged responses, meat prices at the internal market would subsequently increase as input prices increase at either the internal or international market. price uncertainty and transmition are two important problems facing a nation...

health and safety are important factors in today’s life. most of studies show that consuming the chicken that has anti biotic caused different diseases like digestive vessel cancer. attention to controlled use of antibiotics can play a key role in society health which considered in the production of green chicken. planning for increasing the production of mentioned chicken needs the investigati...

fate) reduced WEP concentrations in the litter relative to untreated chicken litter. Similarly, when alum-treated Water-extractable P (WEP) in manure is increasingly used as an and untreated litters were broadcast onto pastures, difenvironmental indicator as it is correlated with P in runoff from soils recently amended with manure. Little information exists on WEP ferences in dissolved P concen...

health and safety are important factors in today’s life. most of studies show that consuming the chicken that has anti biotic caused different diseases like digestive vessel cancer. attention to controlled use of antibiotics can play a key role in society health which considered in the production of green chicken. planning for increasing the production of mentioned chicken needs the investigati...

It is well known that avian yolk sac is involved in both primitive and definitive erythropoiesis during embryonic development. Definitive erythropoiesis is first detected at about 4-5 days incubation and its maximum activity is reached between day 10 and 15 of incubation, ending between days 18 and 20 of incubation. We confirmed the definitive erythropoietic foci in the chicken yolk sac through...