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Results for “Helminthiasis”

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PubMed1983

Control of ovine gastrointestinal helminthiasis by the use of 'clean' grazing and strategic dosing in the field.

Despite the widespread adoption of clean grazing systems in lowland sheep flocks, detailed parasitological investigations had not previously been carried out on such flocks. A trial was therefore conducted on two commercial flocks: a traditional permanent pasture flock (A) and one operating a system of clean grazing (B), and on an East of Scotland College flock (C) which had operated a clean grazing system for eight years. Ewe and lamb worm egg output, pasture larval levels and lamb liveweight gains were monitored and tracer lambs were grazed during July and August on each farm. Under clean grazing conditions on farm C all parasitological parameters were lower than on both commercial farms. However, in the commercial flocks comparable contamination was evident from midsummer onwards and tracer lambs grazed during August on farm B had significantly greater worm burdens than on the other two farms. The differences observed between the flocks were thought to be due to greater residual contamination by overwintered larvae in both commercial flocks while the higher worm burdens in August on farm B probably resulted partly from incomplete control of the periparturient rise in ewe faecal egg output and partly to autoinfection of the lamb crop. It was concluded that farm C grazing was the cleanest. Considerable contamination was present on farm A while farm B occupied an intermediate position which resulted in considerable worm burdens in lambs grazing during the latter part of the season.

Animal Husbandry↗
PubMedDate not supplied

[Changes in the electrophoretic proteinogram of calves with experimental helminthiasis].

Ten cross-bred calves (Holstein x Zebu) were infected with helmintics larvae. Three female calves had 4 to 5 months and 7 male calves, 4 to 7 months of age. Of the larvae given to them, 1720 were Cooperia sp., 1560 Oesophagostomum sp. and 720 were Haemonchus sp. This experiment was projected to study the changes in serum proteins, namely the total one and particulary its fractions: Albumin and the alpha 1, alpha 2, beta and gamma globulins. Before infection and after it 54 days, with 6 day intervals, the animals were bled for making the respective examination. The results were as follows low percentage of protein and albumin, alpha 1, alpha 2, beta e gamma globulins, as well as the ratio albumin/globulin were practically unchanged. The data were statistilly analysed.

Animals↗
PubMedDate not supplied

[The information value of a method of examining for helminthiasis using an ocular spatula with an adhesive layer].

The paper outlines a new method for examining the population and animals for some helminthiases and results of its testing in different cities and towns of the Russian Federation and Kazakhstan. The recommended method is shown to be of high informative value, easy-to-use, hygienic, and efficient. It should be more widely used to diagnose enterobiasis, Taeniarhynchus infection in human beings and taeniasis and nematodiases (toxocariasis) in animals. The method has been approved by the Ministry of Health of the Russian Federation and recommended for its use at the Health care institutions and centers of sanitary and epidemiological surveillance.

Animals↗