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Abstract

A survey of 9 flocks of sheep ad 2 herds of calves was conducted in the Plovdiv and Veliko Turnovo regions of Bulgaria between 1976 and 1978, by means of monthly faecal egg counts. The species of paramphistomes are not stated [presumably the main species was Paramphistomum daubneyi, see A. Popov et ...

Author(s)
Georgiev, B.; Denev, I.; Kostov, R.; Vasilev, I.
Citation
Nauchni Trudove Raionen Nauchnoizsledovatelski Veterinarnomeditsinski Institut, Veliko Turnovo, 1982, 2, pp 59-69
Abstract

Eleven calves were killed between 5 days and 4 months after infection with 25 000-50 000 metacercariae of Paramphistomum daubneyi. The only lesion after 5 and 24 days was hyperaemia of the duodenal mucosa associated with helminth invasion. Subsequently degenerative changes developed, particularly...

Author(s)
Denev, I.; Savova-Burdarova, S.; Kostov, R.; Georgiev, B.; Vasilev, I.
Citation
Nauchni Trudove Raionen Nauchnoizsledovatelski Veterinarnomeditsinski Institut, Veliko Turnovo, 1982, 2, pp 35-46
Abstract

A large-scale survey in Bulgaria, involving examination of forestomachs and faecal samples of ruminants, showed that paramphistomiasis is endemic to the country. The highest rate of infection was recorded in the south-west, sub-Balkan area and in the south where, on average, 50% of cattle and...

Author(s)
Georgiev, B.; Denev, I.; Vasilev, I.
Citation
Khelmintologiya, 1980, 9, pp 18-25
Abstract

Twenty-three lambs 4-6 months old and 15 six-month-old calves were infected with 5 000-96 000 metacercariae of Paramphistomum daubneyi: 7 lambs and 10 calves were kept as uninfected controls. When killed between 2 and 18 months later, most of the lambs harboured between 1300 and 6500...

Author(s)
Denev, I.; Kostov, R.; Georgiev, B.; Vasilev, I.
Citation
Nauchni Trudove Raionen Nauchnoizsledovatelski Veterinarnomeditsinski Institut, Veliko Turnovo, 1982, 2, pp 47-57
Abstract

In Bulgaria, bithionol, its analogue Tremanol, Terenol (resorantel) and bithionol sulphoxide were tested at various schedules in cattle and sheep with natural Paramphistomum microbothrium infection. The tests involved a total of 1257 cows and 1572 sheep and the results were assessed on faecal...

Author(s)
Georgiev, B.; Denev, I.; Vasilev, I.
Citation
Veterinarna Sbirka, 1977, 75, 9, pp 22-25
Abstract

Paramphistomum microbothrium cercariae developed in Galba truncatula in 81 or 59 days after infection at temperatures varying between 11 to 23 deg C and between 13 and 24 deg C, respectively. At air humidity of 70% and constant temperatures of 20 to 22 deg C and 24 to 26 deg C, G. truncatula began...

Author(s)
Vasilev, I.; S"mnaliev, P.
Citation
Khelmintologiya, Sofia, 1978, No.6, pp 13-30
Abstract

Paramphistomatid ova from the faeces of cattle imported from USA to Bulgaria were used to infect Galba truncatula; the adolescariae obtained were given to 2 lambs, who began to excrete ova on day 27 to 28 after infection. The mature parasites, recovered at autopsy on day 170 after infection, were...

Author(s)
Kamburov, P.; Vasilev, I.; S"mnaliev, P.; Kanev, I.
Citation
Khelmintologiya, Sofia, 1977, No. 4, pp 22-28

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