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Parafilaria bovicola (Tubangui 1934) in cattle: Epizootiology--vector studies and experimental transmission of Parafilaria bovicola to cattle
1982
Bech-Nielsen, S. | Bornstein, S. | Christensson, D. | Wallgren, T.B. | Zakrisson, G.
Parafilaria bovicola, field survey of insect vectors collected from cattle, bleeding-point on cows and prepatent period studies, experimental infection of laboratory-raised Musca autumnalis with third-stage larvae, transmission of third-stage larvae to calves (clinical and pathologic findings)
اظهر المزيد [+] اقل [-]Parafilaria bovicola (Tubangui 1934) in cattle: Epizootiology--disease occurrence
1982
Bech-Nielsen, S. | Sjogren, U. | Lundquist, H.
Parafilaria bovicola, cattle, epizootiology, results of questionnaire survey among cattle owners revealed that (i) condemnation losses due to parasite were overrepresented among animals that came from herds held on pasture the previous year, as opposed to those from farms with indoor cattle management only; (ii) statistically significant difference between affected and nonaffected herds with respect to age groups; and (iii) frequency of lesions showed seasonal trend: Sweden
اظهر المزيد [+] اقل [-]Parasites of domestic and wild animals in South Africa. XIV. The seasonal prevalence of Rhipicephalus sanguineus and Ctenocephalides spp. on kennelled dogs in Pretoria North
1982
Horak, I.G.
Rhipicephalus sanguineus and Ctenocephalides spp. on kennelled dogs, seasonal prevalence and mean numbers and percentages of immature and adult ticks and of fleas recovered from various sites on dogs
اظهر المزيد [+] اقل [-]The ecology of Rhipicephalus zambeziensis and Rhipicephalus appendiculatus (Acarina, Ixodidae) with particular reference to Zimbabwe
1982
Norval, R.A.I. | Walker, J.B. | Colborne, J.
Rhipicephalus zambeziensis and R. appendiculatus from Zimbabwe, ecology of species compared with reference to host records, geographical distribution, physiography, climate, and seasonal occurrence, sex and stage of recovered parasites; additional review information on hosts and distribution of R. zambeziensis throughout its range in Africa
اظهر المزيد [+] اقل [-]The seasonal incidence of helminth parasites and of Oestrus ovis in Karakul sheep in the Kalahari region of South West Africa/Namibia
1982
Biggs, H.C. | Anthonissen, M.
helminth parasites and Oestrus ovis in Karakul sheep, seasonal incidence determined by slaughter of successive groups of tracer lambs each exposed on pasture for 33 days, recommended deworming programme, importance of moving sheep to new pastures immediately after deworming
اظهر المزيد [+] اقل [-]Parasites of South African freshwater fish. I. Some nematodes of the catfish (Clarias gariepinus (Burchell, 1822)) from the Hartbeespoort Dam
1982
Boomker, J.
nematodes of catfish, seasonal variation, measurements of Paracamallanus cyathopharynx and Procamallanus laeviconchus compared with those reported from other fish species recovered elsewhere in Africa
اظهر المزيد [+] اقل [-]