نتایج جستجو برای: قزلآلای رنگینکمان oncorhynchus mykiss
تعداد نتایج: 8313 فیلتر نتایج به سال:
2,4-D diklorofenoksi asetik asit (2,4-D) dünya genelinde yaygın olarak kullanılmakta olan bir herbisit olup, tarımsal mücadelede yabani otları elimine etmekte kullanılır. ve formlarının balıklar üzerinde yarattığı toksik etki diğer sucul canlılar oluşan etkiden hayli fazladır. Bu çalışmada Diklorofenoksi herbisitinin gökkuşağı alabalığının (Oncorhynchus mykiss) biyokimyasal hematolojik parametr...
We studied the mechanical and electrophysiological properties of ventricular myocardium from rainbow trout (Oncorhynchus mykiss) in vitro at 4, 10, and 18 degrees C from fish acclimated at 10 degrees C. Temperature alone did not significantly alter the contractile force of the myocardium, but the time to peak tension and time to 80% relaxation were prolonged at 4 degrees C and shortened at 18 d...
Several species of fresh water fish including common carp (Cyprinus carpio), rohu (Labeo rohita), mrigal (Cirrhinus mrigala) and rainbow trout (Oncorhynchus mykiss) are being farmed in India in order to meet the increasing demand for fresh fish. Among the fresh water fishes, rainbow trout is farmed in many parts of India. Worldwide, farmed trout production is increasing. The demand for trout in...
Myxobolus squamalis is a myxozoan skin parasite first reported from rainbow trout (Oncorhynchus mykiss). Identification of the parasite based on myxospore morphology is unreliable because M. squamalis is similar to several other myxobolids that share host species and geographic ranges. The only ssrRNA gene sequence available for M. squamalis is from Chinook salmon, Oncorhynchus tschawytscha, bu...
18 Juvenile Oncorhynchus mykiss migrate extensively in freshwater during fall. We used 19 individual tagging to study the spatial origin, influences, and outcomes of fall migration on fish 20 that emigrated from summer rearing tributaries during fall (early-emigrants) and those that did 21 not (late-emigrants) in the South Fork John Day River, Oregon. Fall migration amplified body 22 size diffe...
1. The importance of body size and growth rate in ecological interactions is widely recognized, and both are frequently used as surrogates for fitness. However, if there are significant costs associated with rapid growth rates then its fitness benefits may be questioned. 2. In replicated whole-lake experiments, we show that a domestic strain of rainbow trout (artificially selected for maximum i...
To explore the evolutionary consequences of climate-induced fluctuations in distribution of rainforest habitat we contrasted demographic histories of divergence among three lineages of Australian rainforest endemic skinks. The red-throated rainbow skink, Carlia rubrigularis, consists of morphologically indistinguishable northern and southern mitochondrial DNA (mtDNA) lineages that are partially...
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