the subgroup j of alv (alv-j) has emerged as an important pathogen of meat-type chickens since1989. this virus is responsible for economic losses due to both mortality and depressed performance inchickens. so, the objective of this study is the detection of alv-j in the albumen of commercial and nativefowl eggs using rt-pcr. three hundred and seventy egg albumens were randomly selected from dif...

introduction: organic fertilizers are beneficial to maintain and improve structure of the soil nutrients; however, in case of presence of pathogenic microbial agents and pathogens inside them, it will result in health problems and disease transmission. therefore, present study aimed to determine microbial quality of produced vermicomposts in yazd city. methods: this study was a descriptive-anal...

This paper proposes an integrated network design model for a post-distribution cross-docking strategy, comprising multi product production facilities with shared production resources, capacitated cross docks with setup cost and customer zones with time windows constraints. The model is dynamic in terms of time-varying uncertain demands, whereas uncertainty is expressed with scenario approach an...

life cycle study of a product is an accepted method for determining the side effects of its production process on environment during its complete life cycle. in this research, the impacts of global warming, acidification, terrestrial eutrophication and fossil resources depletion per unit yield of wheat (ton) on environment were investigated using life cycle assessment method in marvdasht region...