نتایج جستجو برای: 4 species penaeid shrimps and sea turtle

تعداد نتایج: 17132791  

2000
KAREN A. BJORNDAL

sea turtle species survive in only a limited area of its natural range. Sea turtles must occur throughout their natural ranges to ensure that they fulfill their ecological roles. For example, hawksbills are primary predators in coral reef ecosystems and thus assist in maintaining the biodiversity and ecological processes of these complex ecosystems. Unfortunately, as is made all too clear in th...

Euphrates turtle is the only soft shell turtle of Iran, and unfortunately is in danger of extinction due to multiple reasons. Imaging techniques, in addition to their importance in diagnosis of injuries to animals, have been used as non-invasive methods to provide normal anatomic views. A few studies have been conducted to understand body structure of the Euphrates turtle. Since there is only g...

Journal: :Diseases of aquatic organisms 2011
T Sathish Kumar P Krishnan M Makesh A Chaudhari C S Purushothaman K V Rajendran

Slow growth caused by viral diseases has become a major constraint in shrimp aquaculture. Laem-Singh virus (LSNV), a positive-sense single-stranded RNA (ssRNA) virus, has been identified in Penaeus monodon showing slow growth syndrome. To examine the host-range and transmission modes of the virus, 6 species of penaeid shrimp of varying life stages, sourced from the wild and from farms, as well ...

2017
Juan Lei David T. Booth

Excessive sea turtle nest predation is a problem for conservation management of sea turtle populations. This study assessed predation on nests of the endangered loggerhead sea turtle (Caretta caretta) at Wreck Rock beach adjacent to Deepwater National Park in Southeast Queensland, Australia after a control program for feral foxes was instigated. The presence of predators on the nesting dune was...

Journal: :Diseases of aquatic organisms 2012
Lisa Poppi Annalisa Zaccaroni Daniela Pasotto Giorgia Dotto Federica Marcer Dino Scaravelli Sandro Mazzariol

Leatherback sea turtles Dermochelys coriacea are regularly reported in the Mediterranean Sea but rarely reach the northern Adriatic Sea. In the summer of 2009, a well-preserved carcass of an adult female of this species was found dead along the coast of Lido di Venezia. A complete necropsy was carried out, along with evaluation of levels of tissue trace elements. The the post-mortem revealed ac...

2013
Harold W. Manter Sergio Roberto Martorelli Robin M. Overstreet Sergio R. Martorelli Jean A. Jovonovich

The pathogenic penaeid shrimp viruses white spot syndrome virus (wSSv) and infectious hypodermal and hematopoietic necrosis virus (IhhNv) are reported for the first time from Argentina. They both occurred in wild crustaceans in Bahia Blanca Estuary, with wSSv detected by polymerase chain reaction (pCR) or real time quantitative pCR (qpCR) methods as infecting samples as high as 56% of the penae...

2011
Donald W. Buden

Thirteen species of reptiles are recorded from the Hall Islands, all but two sea turtles for the first time. None of the 11 species of lizards (six geckos, five skinks) is endemic, and most are widely distributed throughout Micronesia and often well beyond. Emoia boettgeri has the most limited range, which extends from Chuuk State in the central Caroline Islands eastward to the Marshall Islands...

Journal: :Ovozoa: Journal of Animal Reproduction 2022

Albinism is a genetic disorder in which there defect melanin production, pigment gives color to the skin, hair and eyes. This congenital malformation can also occur sea turtles, although it not fatal, but reduces their chances of survival natural environment. Even so, are still no reports its occurrence Eretmochelys imbricata, species known as hawksbill turtle or legitimate turtle, with wide di...

2017
J L Crespo-Picazo D García-Parraga F Domènech J Tomás F J Aznar J Ortega J M Corpa

BACKGROUND Diseases associated to external parasitosis are scarcely reported in sea turtles. During the last decades several organism have been documented as a part of normal epibiont community connected to sea turtles. The copepod Balaenophilus manatorum has been cited as a part of epibiont fauna with some concern about its parasitic capacity. This study serves three purposes, i.e. (i) it shed...

2016

Background: Sea foods contain high level of unsaturated fatty acids. The aim of this study is comparison of ώ3 and ώ6 levels in wild and farmed green tiger shrimp (P.semisulcatus). Materials and Methods: in this study 120 shrimps (wild=60 and farmed=60) selected. Analysis of Fatty acids was performed by Gas Chromatography. Two-factor variance difference analysis used for demonstration the effec...

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