نتایج جستجو برای: ماهی گیدر thunnus albacares
تعداد نتایج: 9705 فیلتر نتایج به سال:
Two species of Didymozoidae, Didymosulcus palati (Yamaguti 1970) and Didymosulcus philobranchiarca (Yamaguti 1970) were reported for the first time in South America, Atlantic Ocean, parasitizing three different tuna species from the coast of Rio de Janeiro, Brazil: Thunnus atlanticus (Lesson), Thunnus albacares (Bonnaterre) and Thunnus obesus (Lowe). Pairs of D. philobranchiarca were found on g...
Behaviour of yellowfin (Thunnus albacares) and bigeye tuna (T. obesus)
This article documents the addition of 277 microsatellite marker loci to the Molecular Ecology Resources Database. Loci were developed for the following species: Ascochyta rabiei, Cambarellus chapalanus, Chionodraco hamatus, Coptis omeiensis, Cynoscion nebulosus, Daphnia magna, Gerbillus nigeriae, Isurus oxyrinchus, Lates calcarifer, Metacarcinus magister, Oplegnathus fasciatus, Pachycondyla ve...
Monophasic action potentials (MAPs) were recorded from the spongy and compact layers of the yellowfin tuna Thunnus albacares ventricle as stimulation frequency was increased. MAP duration decreased with increase in stimulation frequency in both the spongy and compact myocardial layers, but no significant difference in MAP duration was observed between the layers.
The genus Thunnus contains eight valid species with a fossil record extending back to the Middle Eocene, about 40 million years ago (Carrol, 1988, Benton, 1993). Collette (1978) distinguished tunas into the temperate subgenus Thunnus (bluefin tuna group) and the tropical subgenus Neothunnus (yellowfin group) by the presence or absence of a central heat exchanger. The yellowfin group contains bl...
Bluefin tuna are endothermic and have higher temperatures, heart rates, and cardiac outputs than tropical tuna. We hypothesized that the increased cardiovascular capacity to deliver oxygen in bluefin may be associated with the evolution of higher metabolic rates. This study measured the oxygen consumption of juvenile Pacific bluefin Thunnus orientalis and yellowfin tuna Thunnus albacares swimmi...
Introduction Experimental trials were recently conducted at the InterAmerican Tropical Tuna Commission (IATTC) Achotines Laboratory in Panama to investigate the potential impacts of ocean acidification on the early life history stages of Thunnus albacares (yellowfin tuna). With analyses of data collected from the trials expected to be completed soon, the following article describes the growing ...
Mercury (Hg) was determined in Thunnus albacares canned in oil (from 7 to 10 samples per brand) and water (from 5 to 10 samples per brand) of five leading brands in Mexico in 2008. Potential health risk was estimated on the basis of Hg concentration and rate (1.43 kg year(-1)per capita) of tuna consumption in Mexico. Highest Hg concentrations were 0.51 ± 0.26 and 0.40 ± 0.24 μ gg(-1) dry weight...
Aggregations of tuna can be found in association with seamounts throughout all the tropical oceans and these aggregations are often exploited by tuna fishing fleets (Fonteneau, 1991). In Hawaii, a fishery has developed over the last decade that targets the mixed species aggregations of predominantly subadult tuna found in association with the Cross Seamount located approximately 160 nmi south o...
در این تحقیق از فیله ماهی thunnus albacares موسوم به تون زرد باله یا yellow fin tuna، 2 فرآورده خشک شیرین در آزمایشگاه تولید گردید. برای تولید نمونه اول از فیله خام و نمونه دوم از فیله پخته شده ماهی زردباله استفاده به عمل آمد. براساس نتایج آزمون های حسی نمونه اول از برنامه این تحقیق حذف و تعیین ارزش غذایی و زمان ماندگاری بر روی نمونه دوم صورت گرفت. میزان رطوبت، پروتئین، چربی و خاکستر این فرآورد...
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