نتایج جستجو برای: larval
تعداد نتایج: 24752 فیلتر نتایج به سال:
background : the aim of this study was to obtain new data which would be valuable to develop programs for future planning of mosquito controls in in western iran. methods : larvae and adult collections were carried out from different habitats using standard dipping and animal baited trap methods during may, june and july 2012 in two provinces (kurdistan and kermanshah) in the west of iran. char...
The influence of moisture content of mulberry leaf on the growth, development and moisture build up in the body of silkworm was studied by feeding with different maturity leaves to late age of silkworm larvae. Significantly higher larval moisture (79.78%), larval weight (65.65 g), pupal moisture (73.81%) was recorded in top tender leaf (high moisture) fed batches and least was recorded in the c...
macrobrachium rosenbergii lifecycle is unique so that the adults thrive in freshwater and larval development requires brackish water environments near to estuaries as close as possible to larval body isosmotic for minimum na/k-atpase activity and maximum atp storage. osmoregulation system at early larval stages is not formed and larval osmoregulation is mainly attributed to na/k-atpase activity...
background : considering the disadvantages of chemical insecticides, we aimed to evaluate vorticella parasites for control of mosquito larvae of anopheles stephensi and aedes aegypti at different larval stages. methods: vorticella sp infected mosquito larvae were crushed in the 0.85% saline and homogenized well to get vorticella in suspension. the effects of vorticella sp infections on larval ...
background: the aim of his study was to determine development time and thermal requirements of three myiasis flies including chrysomya albiceps, lucilia sericata, and sarcophaga sp. methods: rate of development (rod) and accumulated degree day ( add) of three important forensic flies in iran, chrysomya albiceps, lucilia sericata, and sarcophaga sp. by rearing individuals under a single constan...
abstract the effect of different larval density of chilo suppressalis walker was evaluated through 2006-2008 on rice infestation in controlled condition of the cages. the results indicated that there were significant effects between dead hearts, white heads and crop yield. the highest dead hearts and white heads were related to the treatment of 32 larvae per m2 and the lowest ones were obtained...
During years 2000 and 2001, biology and population changes of two- spotted spider mite (T. urticae) was studied on five bean cultivars of two species at 25±1ºC temp., 45±4% RH and 15: 9 (L:D) photoperiod, using leaf disks made from 2-, 6- leaf and flowering stages of the plants. The mite mass rearing was carried out on tomato plants under the same environmental conditions and the effects of fee...
background: maggot therapy has recently attracted considerable attention as an emerging debridement technique for wound healing. this study aimed to review the safety, effectiveness and economic evaluations of maggot debridement therapy for wound healing. methods: to retrieve the relevant evidences, the cochrane library (until september 2014) was searched by appropriate keywords, using free t...
b a ckground: several important diseases are transmitted by mosquitoes. despite of the potential of the occurrence of some mosquito-borne diseases such as west nile, dirofilariasis and malaria in the region, there is no recent study of mosquitoes in west azerbaijan province. the aim of this investigation was to study the fauna, composition and dis- tribution of mosquitoes and the characteristic...
the present study explored the embryonic and larval development of an endangered fish species nandus nandus and resolved larval growth performances with the dietary supplementation of different types of lipids. fertilized eggs were collected from fiber glass tanks immediately after spontaneous spawning of n. nandus, which were fed with a 1% phospholipid (squid meal) supplemented diet for 3 mont...
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