نتایج جستجو برای: larvae rearing
تعداد نتایج: 42083 فیلتر نتایج به سال:
Kuschelina bergi (Harold, 1881) is being studied to be evaluated as a natural enemy of Phyla nodiflora var. minor (Hook.) N. O'Leary & Múlgura (Verbenaceae), an invasive weed in Australia. Eggs, and 1(st) and 3(rd) instar larvae are described and illustrated for the first time. The following characters distinguish Kuschelina bergi: presence of two medial setae in prosternum, mesosternum and met...
the stimulatory effect of ovaprim, a commercial spawning inducing agent consisting of salmon gonadotropin releasing analogue (gnrha) and a dopamine d2- receptor antagonist, domperidone, was studied in doctor fish, garra rufa (heckel, 1843) under hatchery conditions. the feeding and rearing condition effects on the survival rate of naturally produced larvae were also evaluated. twenty-five fish ...
Milandanielia intermedia (Feider, 1950) is re-described. A female from which larvae were obtained by experimental rearing is designated as neotype. Verified diagnoses of active life instars are supplemented with data on habitat preferences, phenology and life cycle. Molecular identification of the species based on its COI sequence is provided.
Eastern oysters, Crassostrea virginica, Northern hard clams, Mercenaria mercenaria, soft-shell clams, Mya arenaria, and bay scallops, Argopeclen irradians are routinely cultured in shellfish hatcheries throughout the northeastern United States for private sale, public stock enhancement and management programs. The culture process involves spawning adults, rearing the resultant larvae in large t...
Eastern oysters, Crassostrea virginica, Northern hard clams, Mercenaria mercenaria, soft-shell clams, Mya arenaria, and bay scallops, Argopeclen irradians are routinely cultured in shellfish hatcheries throughout the northeastern United States for private sale, public stock enhancement and management programs. The culture process involves spawning adults, rearing the resultant larvae in large t...
Arge pyracanthae Wei & Shinohara, n. sp. is described from Mt. Hupingshan, Hunan Province, China, including COI sequences from two specimens. Larvae are solitary external leaf feeders on Pyracantha fortuneana (Maxim.) H. L. Li (Rosaceae). Field observations and rearing experiments showed that this species has a multivoltine life cycle. This is the first record of an argid sawfly associated with...
We set out to determine whether probiotic addition would improve larval development in the false percula clownfish Amphiprion ocellaris and to determine what molecular responses could be observed in the larvae following probiotic exposure. We supplied the probiotic bacterial strain Lactobacillus rhamnosus IMC 501 to clownfish larvae from the first day posthatch simultaneously by live prey and w...
Here we describe a case of ophthalmomyiasis in a male patient with basal cell carcinoma. During the operation several live and motile maggots were removed from the lesion. Preliminary examination on the larvae confirmed their affiliation to the genus Sarcophaga (Diptera: Sarcophagidae).This genus is widely distributed throughout the world and species are very difficult to identify. The authors ...
The present study aims at investigating muscle development and stress response in early stages of Siberian sturgeon when subjected to different rearing temperatures, by analysing growth and development of the muscle and by assessing the stress response of yolk-sac larvae. Siberian sturgeon larvae were reared at 16°C, 19°C and 22°C until the yolk-sac was completely absorbed. Sampling timepoints ...
Numerous species of insects have been recorded from various types of manure in commercially reared birds from different parts of the world. This study was carried out to determine parasitic beetle populations in commercial rearing house litter from different regions of the West Azerbaijan province in Iran. Atotal of 60 samples of litter were collected from June 2008 to November 2009 from 20 pou...
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