Tag Archives: Fenbendazole


Angiostrongylus vasorum is a metastrongyloid parasite of dogs and foxes which primarily parasitizes the pulmonary artery and its branches; it may also inhabit the right ventricle. Natural A. vasorum infection has been reported in a number of European countries including Ireland. Denmark, southwest France. Spain. Italy and pans of the UK. In the UK the… Read More »

Albendazole (Albenza, Valbazen)

Antiparasitic Highlights Of Prescribing Information • Broad spectrum against a variety of nematodes, cestodes & protozoa; labeled for cattle & sheep (suspension only) • Contraindicated with hepatic failure, pregnancy, lactating dairy cattle • May cause GI effects (including hepatic dysfunction) & rarely blood dyscrasias (aplastic anemia) • Do not use in pigeons, doves or crias… Read More »

Parasites of the Liver

Trematodes FASCIOLA HEPATICA • Worldwide distribution in ruminants, pigs, and horses; occasionally in humans; distribution in North America centers on the Gulf Coast/southeastern states, Pacific Northwest (including Montana), and eastern Canada; highly significant to veterinary medicine; low significance to public health. • Common name: liver fluke. Life Cycle • Indirect. • Intermediate host: lymnaeid snails;… Read More »

Parasites of the Urogenital System

Nematodes STEPHANURUS DENTATUS • Distributed in domestic and wild pigs in tropical and subtropical regions; locally significant in pigs raised in outdoor situations. • Common name: kidney worm. Life Cycle • Direct; indirect with paratenic host. • Eggs passed in urine; L1 develops and hatches; infective L3 develops in approximately 4 days; paratenic host becomes… Read More »

Roundworms in Pigs

1. Stomach The most important worm here is Hyostrongylus rubidus. Its life-cycle is direct. (See also THIN SOW SYNDROME.) The latter may sometimes be due to various species of Oesophagostomum worms. (See OESOPHAGOSTOMIASIS.) 2. Small intestine Ascaris suum. This worm is a very common parasite of pigs in all countries. The eggs have a remarkable… Read More »

Roundworms in Cattle, Sheep and Goats

1. Oesophagus and stomach Gongylonema. Two species occur in ruminants and 1 in pigs. They are found just below the epithelium in the thoracic third of the oesophagus. The intermediate hosts are various species of dung-beetles. Haemonchus contortus. This is the large stomach worm or ‘barber’s pole’ worm of ruminants, so-called because of the female’s… Read More »


Trichuris Cause of Trichuris Trichuris vulpis is perhaps one of the most common causes of chronic large bowel diarrhea in dogs. Cats are occasionally infected with Trichuris serrata and Trichuris campanula. Clinical signs in Trictouro-infected dogs and cats may vary from asymptomatic infections to mild intermittent episodes of mucousy feces to acute-onset bloody diarrhea with… Read More »


Cause of Inflammatory Bowel Disease Inflammatory bowel disease (IBD) may be defined using clinical, histologic, immunologic, pathophysiologic, and genetic criteria. Clinical criteria Inflammatory bowel disease has been defined clinically as a spectrum of gastrointestinal disorders of an unknown cause that is associated with chronic inflammation of the stomach, intestine, or colon. A clinical diagnosis of… Read More »


Helminthic infestation is common in dogs and cats. Some species are pathogenic in large numbers, and others are nonpathogenic. Roundworm Ascarids Toxocara canis and Toxascaris leonina are found in dogs, and Toxocara can and Toxascaris leonina are found in cats. T. canis can be transmitted across the placenta and T. canis and T. cati through… Read More »