coho salmon
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2022 ◽  
Author(s):  
Quentin Rougemont ◽  
Amanda Xuereb ◽  
Xavier Dallaire ◽  
Jean‐Sébastien Moore ◽  
Eric Normandeau ◽  
...  

Aquaculture ◽  
2022 ◽  
Vol 547 ◽  
pp. 737471
Author(s):  
Leydy Sandoval-Vargas ◽  
Jennie Risopatrón ◽  
Kelly Dumorne ◽  
Jorge Farías ◽  
Elías Figueroa ◽  
...  

Vestnik MGTU ◽  
2021 ◽  
Vol 24 (4) ◽  
pp. 450-460
Author(s):  
V. Yu. Novikov ◽  
K. S. Rysakova ◽  
A. V. Baryshnikov

It is well known that fish belonging to the Salmonidae family differ in their nutritional value. Anatomical and morphological features of different salmon species have a certain similarity; therefore, representatives of this family are most often falsified. Assortment falsification of products from fish of this family is usually carried out by replacing more valuable species with cheaper ones with a reduced nutritional value. Most often, counterfeiting of Atlantic salmon (salmon) by Far Eastern ones (chum salmon, pink salmon, chinook salmon, coho salmon) is found. Near infrared spectroscopy (NIR) is now increasingly used for identification and authentication of closely related organisms, in some cases being a rapid method replacing genetic analysis. We have obtained diffusion reflectance spectra of NIR radiation for three species of fish from the Northern Basin belonging to the salmon family. The best classification by fish species has been obtained by analyzing the NIR spectra of pre-dried fat-free muscle tissue samples. In case of wet samples, the observed differences are less significant, up to insignificant differences in individual values from neighboring clusters. The possibility of using the method of linear discriminant analysis of the NIR reflection spectra of muscle proteins for the species identification of fish has been shown.


2021 ◽  
Author(s):  
Kei Sasaki ◽  
Tadahide Kurokawa ◽  
Koh Hasegawa ◽  
Miwa Yatsuya

2021 ◽  
Author(s):  
Quentin Rougemont ◽  
Amanda Xuereb ◽  
Xavier Dallaire ◽  
Jean-Sebastien Moore ◽  
Eric Normandeau ◽  
...  

Inferring the genomic basis of local adaptation is a long-standing goal of evolutionary biology. Beyond its fundamental evolutionary implications, such knowledge can guide conservation decisions for populations of conservation and management concern. Here, we investigated the genomic basis of local adaptation in the Coho salmon (Oncorhynchus kisutch) across its entire North American range. We hypothesized that extensive spatial variation in environmental conditions and the species homing behavior may promote the establishment of local adaptation. We genotyped 7,829 individuals representing 217 sampling locations at more than 100,000 high-quality RADseq loci to investigate how recombination might affect the detection of loci putatively under selection and took advantage of the precise description of the demographic history of the species from our previous work to draw accurate population genomic inferences about local adaptation. Results indicated that genetic differentiation scans and genetic-environment association analyses were both significantly affected by variation in recombination rate as low recombination regions displayed an increased number of outliers. By taking these confounding factors into consideration, we revealed that migration distance was the primary selective factor driving local adaptation and partial parallel divergence among distant populations. Moreover, we identified several candidates SNP associated with long distance migration and altitude including a gene known to be involved in adaptation to altitude in other species. The evolutionary implications of our findings are discussed along with conservation applications.


2021 ◽  
Vol 81 (4) ◽  
Author(s):  
Anne-Marie Flores ◽  
Morgan M. Davies ◽  
Katrina Kushneryk ◽  
Pippi T.E.S. Lawn ◽  
Sibylla Helms ◽  
...  

2021 ◽  
Author(s):  
H. Andres Araujo ◽  
William D. P. Duguid ◽  
Ruth Withler ◽  
Janine Supernault ◽  
Angela D. Schulze ◽  
...  

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