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Articles 1 - 21 of 21
Full-Text Articles in Parasitology
Exploring The Relationships Between South Texas Northern Bobwhite Populations And Cecal Worms Via System Dynamics, Nicole J. Traub, Benjamin L. Turner, Leonard A. Brennan, Alan M. Fedynich
Exploring The Relationships Between South Texas Northern Bobwhite Populations And Cecal Worms Via System Dynamics, Nicole J. Traub, Benjamin L. Turner, Leonard A. Brennan, Alan M. Fedynich
National Quail Symposium Proceedings
Community ecology historically focused on plants and free-living organisms; however, problems such as defining habitat boundaries and obtaining adequate sample sizes arise when evaluating such communities. The unique nature of host-helminth systems allows parasite community ecologists to avoid these problems when testing ecological hypotheses. Unlike free-living communities that have artificially constructed boundaries, parasite communities have well-defined unambiguous boundaries within host individuals. Due to the inherently complex and dynamic nature of ecological systems, traditional experimental methods often require expensive, long-term trials beyond investigators’ time and resource budgets. Conversely, a system dynamics approach facilitates learning about such systems via simulation of ecosystem …
In Vivo And In Vitro Studies Of Cry5b And Nicotinic Acetylcholine Receptor Agonist Anthelmintics Reveal A Powerful And Unique Combination Therapy Against Intestinal Nematode Parasites, Yan Hu, Melanie Miller, Bo Zhang, Thanh-Thanh Nguyen, Martin K. Nielsen, Raffi V. Aroian
In Vivo And In Vitro Studies Of Cry5b And Nicotinic Acetylcholine Receptor Agonist Anthelmintics Reveal A Powerful And Unique Combination Therapy Against Intestinal Nematode Parasites, Yan Hu, Melanie Miller, Bo Zhang, Thanh-Thanh Nguyen, Martin K. Nielsen, Raffi V. Aroian
Veterinary Science Faculty Publications
Background
The soil-transmitted nematodes (STNs) or helminths (hookworms, whipworms, large roundworms) infect the intestines of ~1.5 billion of the poorest peoples and are leading causes of morbidity worldwide. Only one class of anthelmintic or anti-nematode drugs, the benzimidazoles, is currently used in mass drug administrations, which is a dangerous situation. New anti-nematode drugs are urgently needed. Bacillus thuringiensis crystal protein Cry5B is a powerful, promising new candidate. Drug combinations, when properly made, are ideal for treating infectious diseases. Although there are some clinical trials using drug combinations against STNs, little quantitative and systemic work has been performed to define the …
Autoimmune Disorders And Hypersensitivities In The Developed World, Margaret S. Bohm
Autoimmune Disorders And Hypersensitivities In The Developed World, Margaret S. Bohm
Conspectus Borealis
No abstract provided.
Checklist Of Helminths Of Bats From Mexico And Central America, F. Agustín Jiménez, Juan M. Caspeta-Mandujano, Said B. Ramírez-Chávez, Silvia E. Ramírez-Díaz, Marissa G. Juárez-Urbina, Jorge L. Peralta-Rodríguez, José A. Guerrero
Checklist Of Helminths Of Bats From Mexico And Central America, F. Agustín Jiménez, Juan M. Caspeta-Mandujano, Said B. Ramírez-Chávez, Silvia E. Ramírez-Díaz, Marissa G. Juárez-Urbina, Jorge L. Peralta-Rodríguez, José A. Guerrero
MANTER: Journal of Parasite Biodiversity
Based on original data obtained from fieldwork conducted from January 2008 to December 2015 and from previous records from published accounts, an updated checklist of helminth parasites of bats from Mexico and Central America is presented. The checklist has been organized in four ways, first as a helminth-host list in the state of Morelos, second as a helminth-host list with taxonomic and geographic distributional information, third as a bat-helminth list with references, and last, as a summary of the host-helminth association. A total of 105 records and 67 helminth taxa (26 trematodes, 4 cestodes, and 37 nematodes [33 adult and …
On The Helminth Fauna Of Small Mammals In Hustai National Park, Mongolia, Sumiya Ganzorig, Nyamsuren Batsaikhan, Katsuro Hagiwara, Scott Lyell Gardner, Kenji Baba, Buho Hoshino
On The Helminth Fauna Of Small Mammals In Hustai National Park, Mongolia, Sumiya Ganzorig, Nyamsuren Batsaikhan, Katsuro Hagiwara, Scott Lyell Gardner, Kenji Baba, Buho Hoshino
Scott L. Gardner Publications
Introduction
The Hustai National Park is one of the special protected areas in Mongolia. The park is famous by the successful re-introduction of the wild horse (takhi), and its well-managed protection work. The park has a rich and diverse mammal fauna and flora. Of these, the takhi, and other large mammal species are objects of intensive research by the international researchers, but the parasitic helminth fauna in Hustai National Park is remained unknown. Species diversity of wildlife and its abundance, especially high density of both the prey and predators, might allow the presence of various parasitic and symbiotic organisms on …
Bibliography Of Helminth Species Described From African Vertebrates 1800-1967, Albert G. Canaris, Scott Lyell Gardner
Bibliography Of Helminth Species Described From African Vertebrates 1800-1967, Albert G. Canaris, Scott Lyell Gardner
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
Parasite lists, hosts lists, and bibliographies for Trematoda, Cestoda, Nematoda, and Acanthocephala.
100 pages.
Re-Thinking The Summer Drenching Program, Brown Besier
Re-Thinking The Summer Drenching Program, Brown Besier
Journal of the Department of Agriculture, Western Australia, Series 4
The summer drenching program has provided highly effective sheep worm control in Western Australia for many years - but recent research challenges its long term sustainability.
Trial results suggest that in large parts of the State, summer drenching is the main factor leading to the development of drench resistant worms. Alternative programs less likely to lead to drench resistance will require greater monitoring of worm burdens and panning pasture moves.
Parasitological Data As Monitors Of Environmental Health, Robin M. Overstreet
Parasitological Data As Monitors Of Environmental Health, Robin M. Overstreet
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
When an appropriate fish host is selected, analysis of its parasites offers a useful, reliable, economical, telescoped indication or monitor of environmental health. The value of that information increases when corroborated by another non-parasitological technique. The analysis of parasites is not necessarily simple because not all hosts serve as good models and because the number of species, presence of specific species, intensity of infections, life histories of species, location of species in hosts, and host response for each parasitic species have to be addressed individually to assure usefulness of the tool. Also, different anthropogenic contaminants act in a distinct manner …
Sustainable Worm Control In Sheep, Robert Wroth
Sustainable Worm Control In Sheep, Robert Wroth
Journal of the Department of Agriculture, Western Australia, Series 4
Deciding on the best worm control program for your farm can be a complex matter, but guidelines in this article by Robert Wroth should make it simpler.
Drench Resistence : A Large Economic Cost, Brown Besier, Jill Lyon, Norm Mcquade
Drench Resistence : A Large Economic Cost, Brown Besier, Jill Lyon, Norm Mcquade
Journal of the Department of Agriculture, Western Australia, Series 4
Drench restistant worms can cost sheep farmers a lot of money - more than most probably think. Brown Besier, Jill Lyon and Norm McQade discuss some new research that shows the value of conducting routine drench tests to ensure effective worm control.
Breeding Sheep For Worm Resistance, John Karlsson, Johan Greeff, Julia Harris
Breeding Sheep For Worm Resistance, John Karlsson, Johan Greeff, Julia Harris
Journal of the Department of Agriculture, Western Australia, Series 4
Sheep production os one of Western Australia's most important agricultural industries. However, it is faced with the serious threat of sheep worm populations becoming increasingly resistant to the available drenches.
Although it's not a 'quick fix' solution, part of the long term answer may be selection for sheep with greater resistance to worms.
Eradication Of The Liver Fluke In Dairy Cattle, Dave Muirson
Eradication Of The Liver Fluke In Dairy Cattle, Dave Muirson
Journal of the Department of Agriculture, Western Australia, Series 4
In July 1987, a meat inspector found liver fluke (Fasciola hepatica) in a cow at an export abattoir at Waroona. This was the first evidence of the liver fluke completing its life cycle in Western Australia. Fortunately, the Department of Agriculture is reasonably confident that a comprehensive drenching programme has eradicated the liver fluke. The establishment of liver fluke in the south-west coastal areas could cause a serious problem for cattle producers and the small number of sheep producers. Stock would need additional drenching, and if it was not carried out effectively production could be lost or stock could die. …
Some Helminth Parasites Of Dunlin (Calidris Alpina) And Western Willet (Catoptrophorus Semipalmatus Inornatus) From California, Hilda Lei Ching
Some Helminth Parasites Of Dunlin (Calidris Alpina) And Western Willet (Catoptrophorus Semipalmatus Inornatus) From California, Hilda Lei Ching
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
Dunlins and western willets were collected on their winter feeding grounds at Bodega Bay and Bolinas Lagoon, California, during 1986. Six digeneans, eight cestodes, two acanthocephalans, and a new nematode were found in dunlins. Seven digeneans, two cestodes, one acanthocephalan, and the new nematode were found in western willets; four helminths including the new roundworm were common to dunlins. Thominx cecumitis sp. n. differs from other capillarid nematodes with a spinous spicule-sheath in having a short, globular vulvar appendage, peanut-shapcd eggs, a cuticular ball at the posterior tip of the body, narrow lateral alae, and a cuticular genital bursa.
Helminth Parasitism In Martens (Martes Americana) And Ermines (Mustela Erminea) From Washington, With Comments On The Distribution Of Trichinella Spiralis, Eric P. Hoberg, Keith B. Aubry, J. David Brittell
Helminth Parasitism In Martens (Martes Americana) And Ermines (Mustela Erminea) From Washington, With Comments On The Distribution Of Trichinella Spiralis, Eric P. Hoberg, Keith B. Aubry, J. David Brittell
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
Helminths are reported for the first time from ermines (Mustela erminea) and martens (Martes americana) in Washington, USA. Among 22 adult ermines, 41% were infected by one or more of five species (Taenia mustelae, Alaria mustelae, Molineus patens, M. mustelae, and Trichinella spiralis). Among 78 adult martens from three geographic localities, the prevalence was 83%. Nine species were identified (Mesocestoides sp., T. mustelae and T. martis americana, Euryhelmis squamula, M. patens, Baylisascaris devosi, Physaloptera sp., Soboliphyme baturini, and T. spiralis). Trichinella spiralis …
Summer Drenching Of Sheep : New Recommendations For High Rainfall Areas, Brown Besier, Jill Lyon
Summer Drenching Of Sheep : New Recommendations For High Rainfall Areas, Brown Besier, Jill Lyon
Journal of the Department of Agriculture, Western Australia, Series 4
'Summer drenching' has been a highly successful strategy for controlling sheep worms in Western Australia's winter rainfall regions for many years. Drenching to remove worm burdens in summer, when the risk of reinfection by worm larvae is low, is an efficient basis to year-round worm control. The Department of Agriculture recently altered its recommendations for the timing of summer drenches to take account of new findings regarding the survival of worm larvae over summer. It now recommends that sheep farmers give the first summer drench when the pasture is beginning to dry off, in spring in most locations. Experiments atMt …
New Approach To Control Of Drench-Resistant Sheep Worms On Farms, Di Hopkins
New Approach To Control Of Drench-Resistant Sheep Worms On Farms, Di Hopkins
Journal of the Department of Agriculture, Western Australia, Series 4
Worms cost the Western Australian sheep industry up to $120 million every year, and anthelmintic (drench) resistant worms account for an increasing proportion of this amount. Resistant strains of sheep worms have been found on about 95 per cent of farms tested. This alarmingly high level indicates that all farmers should have a resistance management strategy which includes having a resistance test done on their farms before they drench their sheep. However, only about 20 per cent of farmers have had a resistance test done. Farmers often believe drench resistance is not a problem on their farms, mainly because production …
Helminth Parasites Of Northern Spotted Owls (Strix Occidentalis Caurina) From Oregon, Eric P. Hoberg, G. S. Miller, E. Wallner-Pendleton, O. R. Hedstrom
Helminth Parasites Of Northern Spotted Owls (Strix Occidentalis Caurina) From Oregon, Eric P. Hoberg, G. S. Miller, E. Wallner-Pendleton, O. R. Hedstrom
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
Helminth parasites are reported for the first time from northern spotted owls. Seventyone percent of a sample of Strix occidentalis caurina from western Oregon was infected. Nematodes (Porrocaecum depressum, Capillaria falconis, Microtetrameres sp. and Synhimantus hamatus) were the most prevalent parasites although cestodes (Paruterina rauschi) and acanthocephalans (Centrorhynchus conspectus) were also represented. There was an association between components of this helminth fauna and the diet of spotted owls which is dominated by small rodents. The occurrence of P. rauschi rather than P. candelabraria in this geographic region and host-species may provide additional …
Survey Of Parasite Control Practices In Sheep And Cattle, J R. Edwards, R V R Gwynn, R A. Love, Richard Thomas Norris, G Dalton-Morgan, Brown Besier
Survey Of Parasite Control Practices In Sheep And Cattle, J R. Edwards, R V R Gwynn, R A. Love, Richard Thomas Norris, G Dalton-Morgan, Brown Besier
Technical Bulletins
Farms in the Albany, Esperance, Jerramungup and Katanning districts were surveyed to determine parasite control strategies currently used, to evaluate the adoption of recommended control practices and to detect areas of ineffective parasite control. For cattle, the number of drenches given in the low rainfall zone was higher than the number given in the high rainfall zone.
Sheep Worm Control And Lambing Time In High Rainfall Areas, F C. Wilkinson
Sheep Worm Control And Lambing Time In High Rainfall Areas, F C. Wilkinson
Journal of the Department of Agriculture, Western Australia, Series 4
Indications from a continuing sheep trial at Margaret River are that farmers in high rainfall areas could increase stocking rates and lamb growth rates by lambing in September- October rather than July-August.
The results also indicate that farmers in the area may be spending more than necessary on worm control.
Round Worms : Important Parasites Of Pigs, F C. Wilkinson
Round Worms : Important Parasites Of Pigs, F C. Wilkinson
Journal of the Department of Agriculture, Western Australia, Series 4
ROUND WORMS are usually found in the small intestine of pigs. The adults average six to 10 inches long. They are creamy-white and cylindrical in shape, tapering to a point at both ends.
Worms In Poultry, H D. Seddon
Worms In Poultry, H D. Seddon
Journal of the Department of Agriculture, Western Australia, Series 4
WORMS occurring in poultry in Western Australia include both round worms and tapeworms.
However, the intestinal round worm (Ascaridia galli) which is found in the small intestine and duodenum is by far the most important and its effects the most serious.