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Publikováno v:
Canadian Journal of Zoology. 89:190-198
Brook trout ( Salvelinus fontinalis (Mitchill, 1814)) supports a lucrative fish aquaculture industry in Quebec and production of this species is mainly oriented to stock enhancement supporting sport fisheries. The aim of this study was to verify the
Publikováno v:
Canadian Journal of Zoology. 78:1026-1031
We evaluated the effects of handling and stocking density (3 vs. 6 fish/150 L) on the growth-rate rhythms of brook trout, Salvelinus fontinalis. The length of nonhandled fish was estimated with a stereo-video technique and the length and mass of hand
Autor:
Kevin A. Meyer, J. S. Griffith
Publikováno v:
Canadian Journal of Zoology. 75:59-63
We used caged fish with a cobble – boulder substrate to test the effect of fish size on first-winter survival of rainbow trout, Oncorhynchus mykiss, to compare survival of rainbow trout and brook trout, Salvelinus fontinalis, and to test for a temp
Autor:
David M. Anderson
Publikováno v:
Canadian Journal of Zoology. 71:2330-2333
Examination of 1524 lake trout (Salvelinus namaycush) and 1254 lake trout backcross (S. namaycush × S. fontinalis) from 2 locations in Lake Huron revealed the presence of a parasitic copepod, Salmincola siscowet, previously undescribed in Lake Huron
Publikováno v:
Canadian Journal of Zoology. 70:423-427
We assessed redd characteristics of brook trout in a lake and a stream and alevin emergence in the lake. Both populations spawned over upwelling groundwater. In the lake site fish deposited eggs 7–19 cm in the sediment in an egg pocket that contain
Autor:
MaryLouise Keefe
Publikováno v:
Canadian Journal of Zoology. 70:288-292
Choice experiments were used to determine whether juvenile wild brook trout would avoid chemical traces of predaceous fishes found in their native stream; the fishes used were the red fin pickerel (Esox americanus) and American eel (Anguilla rostrata
Autor:
E. Albert, M. A. Curtis
Publikováno v:
Canadian Journal of Zoology. 69:691-697
Brook trout from a 5-ha lake near Schefferville, Quebec, were intensively sampled by small-mesh gill nets during 2 successive years to study patterns of helminth parasite occurrence in relation to changes in the age and size class structure of the fi
Autor:
R. Cusack, D. K. Cone
Publikováno v:
Canadian Journal of Zoology. 66:409-415
Gyrodactylus colemanensis Mizelle and Kritsky, 1967 and Gyrodactylus salmonis (Yin and Sproston, 1948) parasitized Salvelinus fontinalis, Salmo gairdneri, and Salmo salar at a fish farm in Nova Scotia. Gyrodactylus colemanensis occurs on the edges of
Autor:
P. M. Ryan, D. K. Cone
Publikováno v:
Canadian Journal of Zoology. 62:130-133
The metazoan parasite community of fishes (Salvelinus fontinalis, Salmo salar, Gasterosteus aculeatus) in a small lake in central Newfoundland, Canada, was studied. It consisted of three components: parasites of salmonids (Salmincola spp., Discocotyl
Autor:
Geoff A. Black
Publikováno v:
Canadian Journal of Zoology. 59:1892-1896
Changes in the numbers of metazoan parasites of anadromous brook charr, Salvelinus fontinalis, during the summer 1980 were determined by examining 220 fish at different times and localities in the Moisie River, Quebec. The marine trematode Brachyphal