The frequency and intensity of invasion of fish with larvae of nematodes belonging to the Anisakis genus
1998
Markovic, M. | Baltic, M.Z. | Teodorovic, V. | Markovic, M. | Karabasil, N. (Fakultet veterinarske medicine, Beograd (Yugoslavia))
The frequency and intensity of invasion of four varieties of fish (mackerel, haring, cord fish and whiting) with larvae of Nematodes, belonging to the genus Anisakis. The frequency of invasion with Anisakis spp. larvae in the examined varieties of fish ranged from 89.46-97.46. The intensity of invasion and relative density of invasion were lower in mackerel and haring (intensity: 9.15-11.29, density: 7.73-10.25), while it was higher for cord fish and whiting (intensity: 21.50-34.27 and density: 20.17-33.37). Larvae Anisakis spp. were detected in the muscle tissue of mackerel in 16.66 cases, haring 20.39, whiting 60.41 and cord fish 49.36 of cases. The number of Anisakis spp. larvae in the muscle tissue per fish was 0.27 for mackerel and haring, 2.05 for whiting and 2.25 for cord fish. In the muscle tissue, the number of larvae in mackerel was determined to be 1-3, haring 1-2, cord fish 1-6 and whiting 1-9. The number of Anisakis spp. larvae expressed per kilogram of cleaned fish was 0.91 for mackerel, 1.67 haring, 27.72 whiting and 17.44 for cord fish.
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