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Tytuł:: A study on chemical characterization and proximate composition of flathead mullet fish (Mugil cephalus) of estuarine region of the Bay of Bengal
Autorzy:: Rowshan-Ali, M.
Roni, M.A.H.
Haque, M.A.
Uddin, M.H.
Powiązania:: https://bibliotekanauki.pl/articles/11517.pdf
Data publikacji:: 2014
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: chemical characteristics
proximate composition
flathead mullet
fish
Mugil cephalus
polyunsaturated fatty acid
estuarine habitat
Bengal Bay
Opis:: The Flathead mullet (Mugil cephalus) is a mullet of the genus Mugil in the family Mugilidae, found in coastal tropical, subtropical and estuarine water worldwide. Lipid was extracted from the muscle of Flathead mullet (Mugil cephalus) by solvent extraction method and characterized with respect to various chemical e.g. saponification value, saponification equivalent value, acid value, iodine value, peroxide value, ester value, thicyanogen value, unsaponifiable matter, Henher value, Polenske value, Reichert-Meissl value etc properties and compared with those of different oils. Palmitic acid, Stearic acid and Myristic acid were observed at fatty acid composition of the sample by chromatographic examination. Percentages of protein and mineral (N, P, K, Ca) in the muscle of Flathead mullet were studied by modified Kjeldahl method.
Źródło:: International Letters of Natural Sciences; 2014, 12, 2
2300-9675
Pojawia się w:: International Letters of Natural Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Sexual dimorphism of flathead mullet (Mugil cephalus) from Northern Mindanao rivers using geometric morphometric analysis
Autorzy:: Silos, R.-A.
Hernando, B.J.
Juario, J.
Patino, S.
Casas, P.A.
D'Zeim Arreza, J.
Responte, A.
Vedra, S.A.
Powiązania:: https://bibliotekanauki.pl/articles/11206.pdf
Data publikacji:: 2015
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Opis:: Sexual dimorphism is biologically important for determining the morphological traits of marine species. Flathead mullet (Mugil cephalus) was examined based on the patterns of sexual dimorphism from the two rivers in Northern Mindanao. The samples were collected from Cagayan de Oro River and Mandulog River to investigate phenotypic divergence and sexual dimorphism in two different populations of wild-caught M. cephalus using geometric morphology based on landmark basis. A total of 17 landmarks were identified to describe the left and right body shapes of the specimen using the TpsRelw (version 1) to obtain the warp scores of each population. Results of the Relative Warp Analysis show no significant variation in the body shape within the sexes in the respective sampling sites. Results of the discriminant function analysis (DFA) show that in Cagayan de Oro River there is no significant variation in the body shape of mullets between sexes suggesting no sexual dimorphism in the flathead mullets in Cagayan de Oro River. In contrast , Discriminant Function Analysis show that there is significant variation in body shape between sexes in Mandulog River in Iligan City suggesting presence of sexual dimorphism in the area which can be due to the presence of abundant and highly diverse predator species in Mandulog River. Sexual dimorphosm can be used by fishes as an adaptive mechanism to maximize predator-escape performance and survival capacity. Furthermore, there is a significant shape variation between populations of mullets in Cagayan de Oro and Mandulog River which can be interpreted as due to geographic isolation which serves as physical barrier on the gene pool. In conclusion, many factors could account for variation in body shape of Mugil cephalus including predation and biogeographical barriers.
Źródło:: International Letters of Natural Sciences; 2015, 45
2300-9675
Pojawia się w:: International Letters of Natural Sciences
Dostawca treści:: Biblioteka Nauki

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