نتایج جستجو برای: completely and common teal 182 days
تعداد نتایج: 16872491 فیلتر نتایج به سال:
126 abstract: in this research we studied the effects of cyclic hydration and dehydration of cysts of artemia urmiana and artemia parthenogenetica on the hatching percentage, survival and growth. the experiment was carried out in 3 treatments (1-3 hydration/dehydration cycles) with 3 replicates for each treatment. later effects of cold preservation at -20°c during three time periods were ...
BACKGROUND: Protozoa are common in poultry and otherbirds and can cause mild to severe disease. OBJECTIVES: Thisstudy was concerned with the prevalence of parasitic protozoa inwild waterfowl in Caspian sea lagoons in the North of Iran.METHODS:Atotal of 293 waterfowl belonging to various generaincluding Tadorna tadorna (common shelduck),Aythya fuligula(Tufted duck), Aythya ferina (Common puchard...
Schistosomatidae are an actively studied ecological group of trematodes. Their ability to cause various parasitic diseases in animals and humans makes them interesting object study for a number research centres worldwide. One the commonest species this is Bilharziella polonica (Kowalewsky, 1895), whose mature stages have been recorded aquatic semi-aquatic birds Uzbekistan. Our team established ...
Purpose In light of the new way interpreting work spearheaded by Generation Z, objectives this study are to investigate (1) whether young entrepreneurs identify their start-ups with “zebras” – that is, as a concrete response evanescence and fantasy “unicorns” based on simultaneous pursuit profit social value, mutualism resilience (2) they adopt “teal” organizational configuration one characteri...
OF DISSERTATION Consistency Checking of Natural Language Temporal Requirements using Answer-Set Programming Successful software engineering practice requires high quality requirements. Inconsistency is one of the main requirement issues that may prevent software projects from being success. This is particularly onerous when the requirements concern temporal constraints. Manual checking whether ...
objective: the objective of this study was to investigate the invitro fluoride release of four new self-adhesive resin cements; set (sdi, australia), breeze (pentron, usa), embrace wetbond (pulpdent, usa), g-cem (gc, japan) and to assess the bonding performance of these self-adhesive resin cements for bonding of orthodontic brackets. materials and methods: for fluoride release experiment, six ...
Introduction Bioaccumulation of heavy metals in tissues of animals has received considerable attention because of the lethal and sublethal effects of their accumulation. Heavy metals come from industrial sources, storm water runoff, and agricultural runoff, as well as from natural erosion, biogeochemical cycles, and volcanism. They enter the food chain via air, water, soil and biota, accumulati...
Poyang Lake is situated within the East Asian Flyway, a migratory corridor for waterfowl that also encompasses Guangdong Province, China, the epicenter of highly pathogenic avian influenza (HPAI) H5N1. The lake is the largest freshwater body in China and a significant congregation site for waterfowl; however, surrounding rice fields and poultry grazing have created an overlap with wild waterbir...
poultry requirments for vitamins and minerals are met from two sources feed ingredients and premixes.in practical poultry nutrition, the role of feed ingredients is over looked. this experiment was conducted to evaluate the effects of the time of vitamin and mineral premixes withdrawal on growth and economic performance of broilers. four hundred and fifty, one day-old male broiler chickens (ros...
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