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KMID : 0359319900300040473
Korean Journal of Veterinary Research
1990 Volume.30 No. 4 p.473 ~ p.478
Epizootiological survey of blood parasites in slaughtered cattle of western area of Kyeongnam


Abstract
This survey was conducted to observe the prevalence of blood parasites in slaughtered cattle included Korean native cattle, Charolias.. Hereford, Aberdeenangus and Holstein breeds in the Western area of Kyeongnam.
The results obtained are summarized as follows:
1. The prevalence of T sergenti was shown 71.8% as 395 heads of a total of 550 heads examined and from January to November the monthly prevalence of T sergenti was shown the range of 61.1% to 84% except 38.5% in December. The other blood parasites included Babesia and Anaplasma were not detected from the blood samples except Setaria spp microfilariae.
2. The distribution of parasitaemia levels of T sergeati in positive cattle was shown 93.9% in the range of 1∼10/1000 rbc, 4.1% in 11∼20, 1.3% in 21∼30 and 0.8% above the range of 31.
3. The pervalence of T sergenti by breeds of slaughtered cattle was shown 71.2% in Korean native cattle, 72.7% in Charolias, 78.3% in Hereford and 81.8% in others (Aberdeen-angus and Holstein) respectively. Also the parasitaemia levels in these cattle were shown higher levels in imported cattle included Charolias, Hereford, Aberdeen-angus and Holstein breeds comparing with Korean native cattle.
4. The prevalence of Setaria spp microfilarise in slaughtered cattle was shown 6.9% and by monthly prevalence of the parasite was shown higher in March, April and May compared with June, July, August and October. But in the winter season included January, February, November and December the parasite was not detected from the blood samples.
5. The distribution of parasitaemia levels of Setaria spp microfilariae per ml of blood was shown 65.8% in the range of 1∼50, 13.2% in 51∼100 and 10.5% in 101∼200 and above the range of 201, respectively.
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