Diphyllobothriosis
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A disease caused by tapeworms of the Diphyllobothriidae family. Diphyllobothriasis affects carnivores, but humans are often infected as well. Diphyllobothriidae of all species are localised in the small intestine, and larvae parasitize in various organs and tissues of additional hosts.
The causative agents of diphyllobothriosis are.
Diphyllobothrium latum - wide lenticle, in dogs can reach a length of up to 10 metres, in fur-bearing animals up to 1.5 metres.
D.minus - small, up to 26 centimetres long.
D.strictum - narrow, up to 50 centimetres long.
D. Tungussicum - Tungussicum lenticum, length up to 70 centimetres, characterised by rather short segments.
Developmental biology
Three hosts are involved in the development of this parasite. The main hosts are dogs, cats, foxes, Arctic foxes, marten and humans. Pigs are infected rarely. Intermediate hosts are cyclops crustaceans. There are additional hosts, which are represented by freshwater fish (perch, ruff, trout, burbot, pike, grayling, whitefish, zander, bullhead, etc.). Part of the development takes place in the water. A free-floating mobile "larva" (coracidium) emerges from the egg and is swallowed by the crayfish. The next larval stage forms in the crayfish. Fish swallow the infected crayfish, and already in the fish the parasite infects the muscles, eggs, liver, subcutaneous tissue, where it transforms into an invasive larva (ready to infect). The primary hosts become infected by eating infected fish.
Symptoms of diphyllobothriosis
Lenticles are large helminths, so in case of significant infestation they have a mechanical impact on the walls of the small intestine, intestinal obstruction often occurs. Helminths traumatise the intestinal wall, and severe inflammation begins. Products of helminth activity for the animal's body serve as a strong allergen, a strong allergic reaction begins. The composition of the intestinal microflora is disturbed, dysbacteriosis, diarrhoea, constipation, hypovitaminosis B12, anaemia begins. In dogs and fur-bearing animals there is a perversion of appetite.
Preparations for the treatment and prevention of diphyllobothriosis
For treatment, preparations based on praziquantel, febantel are used.
To prevent worm infestation, deworming is carried out with complex antihelminthic drugs once a quarter.
The causative agents of diphyllobothriosis are.
Diphyllobothrium latum - wide lenticle, in dogs can reach a length of up to 10 metres, in fur-bearing animals up to 1.5 metres.
D.minus - small, up to 26 centimetres long.
D.strictum - narrow, up to 50 centimetres long.
D. Tungussicum - Tungussicum lenticum, length up to 70 centimetres, characterised by rather short segments.
Developmental biology
Three hosts are involved in the development of this parasite. The main hosts are dogs, cats, foxes, Arctic foxes, marten and humans. Pigs are infected rarely. Intermediate hosts are cyclops crustaceans. There are additional hosts, which are represented by freshwater fish (perch, ruff, trout, burbot, pike, grayling, whitefish, zander, bullhead, etc.). Part of the development takes place in the water. A free-floating mobile "larva" (coracidium) emerges from the egg and is swallowed by the crayfish. The next larval stage forms in the crayfish. Fish swallow the infected crayfish, and already in the fish the parasite infects the muscles, eggs, liver, subcutaneous tissue, where it transforms into an invasive larva (ready to infect). The primary hosts become infected by eating infected fish.
Symptoms of diphyllobothriosis
Lenticles are large helminths, so in case of significant infestation they have a mechanical impact on the walls of the small intestine, intestinal obstruction often occurs. Helminths traumatise the intestinal wall, and severe inflammation begins. Products of helminth activity for the animal's body serve as a strong allergen, a strong allergic reaction begins. The composition of the intestinal microflora is disturbed, dysbacteriosis, diarrhoea, constipation, hypovitaminosis B12, anaemia begins. In dogs and fur-bearing animals there is a perversion of appetite.
Preparations for the treatment and prevention of diphyllobothriosis
For treatment, preparations based on praziquantel, febantel are used.
To prevent worm infestation, deworming is carried out with complex antihelminthic drugs once a quarter.
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