the aim of this study was to investigate the role of livestock cooperatives in improving economic status of animal holders in hamedan province. the study has used a surveying methodology. for gathering data a structured questionnaire was used and its reliability was calculated by cronbach's alpha test and it was (α=0.80). the research samples consisted of 300 animal holders (beef cattle breeder...

the milk and milk fat production records of 28 holstein herds in khorasan razavi province were analyzed in this study. the records were based on 305 days of milking and were from the first to third milking periods and two times milking per day. the fixed effects of herd-year-season and age of dam at parturition as covariate were fitted in the models of analyses. the (co)variance components were...

Fish wastes have great potential as a source of high valued organic carbon for methane production but also have limitation (high content of ammonia nitrogen). Anaerobic treatment of fish wastes is possible with co-digestion. The main issue for co-digestion process lies in balancing several parameters in the co-substrate mixture: macroand micronutrients, C:N ratio, pH, toxic compounds, biodegrad...

Necrotizing enterocolitis (NEC) is a disease of neonates that is increasing in incidence and often results in significant morbidity and mortality. Carbon monoxide (CO), a byproduct of the catabolism of heme, is known to have anti-inflammatory and antiapoptotic properties. In this study, we aimed to demonstrate that inhaled CO protects against the development of intestinal inflammation in a mode...

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Recent evidence suggests that, like nitric oxide (NO), carbon monoxide (CO), another activator of soluble guanylyl cyclase, may serve as an intercellular messenger in the brain. Heme oxygenase, which converts heme to biliverdin and CO, is abundantly expressed in the brain and is localized to discrete neuronal populations. However, evidence for the actual generation of CO by neurons is lacking. ...

Changes induced in measurements of endogenous carbon monoxide (CO) production by blood in the lumen of the gut were studied in five normal volunteers. The study was undertaken because exogenous heme is absorbed by intestinal mucosal cells where the porphyrin ring is split with the release of CO that could contribute to blood CO levels and lead to a fallacious diagnosis of hemolytic disease. Vol...