BOVICOLA OVIS PDF

BOVICOLA OVIS PDF

Bovicola (Bovicola) ovis Schrank, F.v.P.. Usage: valid. Authors: Schrank, F.v.P.. Reference Title: Enumeratio insectorum Austriae indigenorum. Reference Work. A, Bovicola ovis of sheep; B, Bovicola bovis of cattle; C, Heterodoxus spiniger of dog; D, Linognathus vituli of cattle; E, Solenopotes capillatus of cattle; F. This study investigated the period of survival of Bovicola ovis after removal from sheep under varying conditions and assessed the likelihood of.

Author: Arashill Kakus
Country: Chile
Language: English (Spanish)
Genre: Health and Food
Published (Last): 19 June 2009
Pages: 332
PDF File Size: 18.89 Mb
ePub File Size: 1.87 Mb
ISBN: 332-5-81887-647-7
Downloads: 71347
Price: Free* [*Free Regsitration Required]
Uploader: Malasho

Whilst on the host, the louse feeds upon the hair, skin, and secretions that are present. The relative efficacy of 6 shower dip chemicals most frequently used for the treatment of sheep lice Bovicola ovis in Western Australia was examined. Read Article at publisher’s site.

Because the louse is so prominent in North America, very much of the cattle are affected and must be carefully treated and looked after. Maturation from hatching to adulthood takes about two to three weeks. The louse goes through ovus nymph instars before becoming fully mature. Implications of the observed distributions of lice for the efficacy of chemical treatments are discussed. CitePeer Related Articles http: The main reason that these two industries are the ones affected is that the louse causes reduction in weight gain and milk production.

Gene Ontology GO Terms. These lice chew on ivis hosts, which means that they have mandibles for feeding. This page was last edited on 16 Februaryat How does Europe PMC derive its citations network? Groups of 20 sheep infested with lice were treated with products containing either alphamethrin, cyhalothrin, diazinon or diazinon plus piperonyl butoxide and rotenone, formulated as emulsifiable concentrates, and with products containing either coumaphos or magnesium fluorosilicate, formulated as wettable powders.

Upon mating, the louse becomes fertilized and can lay eggs. Bovicola bovis Scientific classification Kingdom: The products of the cattle are also of lower quality than they would be without presence of the louse.

  GOLDEN DAWN AURORA DOURADA PDF

Less fluid was retained by wool staples in boviclla in-vitro test when dip wash was made with boviocla wettable powders. Upon hatching, the louse begins to develop and feed upon the host.

It is a common pest of cattle of all types and sizes. They do, however, lack the maxillae that are common to most insects that chew their food. Bovicola bovis Linnaeus Veterinary Parasitology [01 Mar81 4: Polypay ewes had higher densities of lice than Columbias at most inspections but there was little effect of infestation point or mating on either numbers or the distribution of lice.

These lice are obligate parasites, meaning they require the host to survive.

Bovicola bovis – Wikipedia

The presence of the louse causes the host to lick itself excessively thus causing abrasions and hair loss. The degree to which the fleece was wetted was assessed 20 minutes after dipping and showed that the wettable powder dips penetrated the bovicolw less than the emulsifiable concentrate dips. Find all citations in this journal default. In the second year, half of the ewes were mated and lice were counted at 26 body sites on the resulting lambs.

There is no current means of long term control for the B. The head of these lice is a dark red color while the rest of the body is yellowish-white. Densities of lice were determined at 69 body sites in eight body regions at ovie monthly intervals for 2 years. In contrast, treatment with the wettable powders, which contained either coumaphos or magnesium fluorosilicate as the active ingredient, did not eradicate the lice infestations.

The two major industries that B.

The abdomen has dark transverse bands that run horizontally across each segment along with sparse amounts of setae hair-like structures. This form of parasitism is minimally invasive and ensures the host and its ovvis can ivis. They also have clubbed, filiform antennae that extend out the sides of their heads.

Densities on the head were also high at times and peaked later than overall louse densities. Without the host providing both food and shelter, the louse would die.

  LEHRERVERHALTEN DUBS PDF

Efficacy against sheep lice (Bovicola ovis) and fleece wetting of six shower dip preparations.

Abstract The spatial distribution of chewing lice Bovicola ovis on their hosts was examined in Polypay and Columbia ewes initially artificially infested on the midside or the neck. Lice Bovine diseases Insects of North America. Comparisons of lice per part with the numbers of lice extracted from clipped patches indicated that a sheep with wool bearing area of 1 m2 and a mean count of one louse per 10 cm fleece parting carried approximately lice. Views Read Edit View history. Europe PMC requires Javascript to function effectively.

Either your web browser doesn’t support Javascript or it is currently turned off. Inspections for lice were conducted until 9 months after dipping.

They are one of many of the lice in the order Phthirapterabut ovus divided from their blood sucking cousins in the sub-order Anoplura by the fact that they feed only by chewing.

These antennae commonly have three segments. These lice are composed of three major body regions: Facts about Cattle Chewing Louse Bovicola bovis.

There was a problem providing the content you requested

It was concluded that the degree of wetting attained at dipping was an important factor in achieving eradication of sheep lice.

The effects of B. At most times of the year inspections for sheep lice should be concentrated on the sides and back, but in recently shorn sheep greater attention should be paid to the lower neck and ventral regions.

From Wikipedia, the free encyclopedia. No lice were found on sheep treated with the 4 emulsifiable concentrate products. All treatments were applied through a shower dip Sunbeam model SSD.