PRELIMINARY RESULTS OF EXPERIMENTAL WORK ON PRODUCING OFFSPRING AND COMPARATIVE EVALUATION OF PURE SPECIES (WHITE STURGEON, FRINGEBARBEL STURGEON) AND THEIR INTERSPECIES HYBRIDS (WHITE STURGEON × FRINGEBARBEL STURGEON AND FRINGEBARBEL STURGEON × WHITE STURGEON)
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چکیده
منابع مشابه
Replication and pathogenesis of white sturgeon iridovirus (WSIV) in experimentally infected white sturgeon Acipenser transmontanus juveniles and sturgeon cell lines.
Characteristics of the in vitro propagation of the white sturgeon iridovirus (WSIV) were examined in 6 sturgeon cell lines. One new cell line originating from gonadal tissues (WSGO) produced up to 12-fold more WSIV [approximately 22 TCID50 (50% tissue culture infective dose) cell-1], than that of a previously established reference spleen cell line (WSS-2). Infected WSGO cell cultures were exami...
متن کاملPreliminary Evidence of Sturgeon Density and Other Stressors on Manifestation of White Sturgeon Iridovirus Disease
Two studies were conducted using 5to 6-month-old juvenile (mean weight: 3-4 g) white sturgeon, Acipenser transmontanus, to examine the cffects of density and other stressors on manifestation of disease caused by the white sturgeon iridovirus (WSIV). In the first study, replicate groups of Snake River white stur con 5 . were stocked at three densities (953, 1,907, and 3,178 fishlm ) In 0.3 I-m3 ...
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is a landlocked population restricted to a 270 km stretch of the Kootenai River, which flows from western Montana through northern Idaho and into British Columbia. This population has shown an almost complete lack of natural juvenile recruitment since 1974. The total adult population in 1998 was estimated to be about 650 individuals and this fish is currently classified as endangered by the Ida...
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The green sturgeon, Acipenser medirostris, is one of two acipenserid fishes native to the temperate waters of the Pacific coast of North America. Originally, three species of sturgeon were described from this region, and this one named ‘‘medirostris’’ or ‘‘middle snout’’ based on the length of its rostrum relative to the other purported species (Ayers 1854), both of which were later determined ...
متن کاملPollock and Sturgeon on defeaters
Scott Sturgeon has recently challenged Pollock’s account of undercutting defeaters. The challenge involves three primary contentions: (1) the account is both too strong and too weak, (2) undercutting defeaters exercise their power to defeat only in conjunction with higher-order beliefs about the basis of the lower-order beliefs whose justification they target, and (3) since rebutting defeaters ...
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ژورنال
عنوان ژورنال: Vestnik of Astrakhan State Technical University. Series: Fishing industry
سال: 2020
ISSN: 2073-5529,2309-978X
DOI: 10.24143/2073-5529-2020-1-111-117