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Symptoms are easily indicated by infected sheep and cattle as they become severely anorexic or inefficiently digest food, and become unthrifty. Fetid diarrhoea is an obvious indication so that fluid faeces are examined for immature flukes. [2]
Teladorsagia circumcincta is a nematode that is one of the most important parasites of sheep and goats. It was previously known as Ostertagia circumcincta and is colloquially known as the brown stomach worm. It is common in cool, temperate areas, such as south-eastern and south-western Australia and the United Kingdom.
The feeding of various Musca species of fly permits the contaminative transmission of nematode worms, for example Parafilaria bovicola, causing a nodular filariasis in cattle. Stomoxys species transmit several species of Trypanosoma protozoa to cattle, sheep and goats causing various types of trypanosomiasis.
Flystrike in sheep is a myiasis condition in which domestic sheep are infected by one of several species of flies that are external parasites of sheep. Sheep are particularly susceptible to flystrike because their thick wool, if sufficiently contaminated with urine and faecal material, can provide effective breeding ground for maggots even in the relative absence of wounds.
Hedeoma is a genus of flowering plants in the mint family, Lamiaceae.It is native to North and South America.They are commonly known as false pennyroyals. [2] [3] [4]The genus name is derived from the Greek words ἡδύς (hedys), meaning "sweet," and ὀσμή (osme), meaning "odour".
Psoroptes ovis infests sheep worldwide and can be a serious welfare and animal-production problem for sheep farmers. Infestations of cattle with mites of the similar genus Chorioptes , in combination with Sarcoptes mite infestation, has been shown to cause a failure to gain body weight by 15.5 to 37.2 kilograms ( 34 + 1 ⁄ 8 to 82 lb) over a ...
Young flock of ewe lambs Flock in Mudgegonga, Victoria, Australia. The Australian White is an Australian breed of meat sheep. It derives from selective breeding of White Dorper, Van Rooy, Poll Dorset and Texel sheep, with the aim of creating a large white sheep suited to Australian conditions, and with a self-shedding hair coat.
Fasciola hepatica, also known as the common liver fluke or sheep liver fluke, is a parasitic trematode (fluke or flatworm, a type of helminth) of the class Trematoda, phylum Platyhelminthes. It infects the livers of various mammals , including humans, and is transmitted by sheep and cattle to humans all over the world.