Relevant bibliographies by topics / Warble flies

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Academic literature on the topic 'Warble flies'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 July 2024

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Journal articles on the topic "Warble flies"

1

Klein, S. A., M. Bowe, and K. K. Klein. "Adverse Selection and Warble Flies in Alberta." Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie 37, no. 1 (March 1989): 111–23. http://dx.doi.org/10.1111/j.1744-7976.1989.tb03339.x.

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2

HUGHES, J., S. D. ALBON, R. J. IRVINE, and S. WOODIN. "Is there a cost of parasites to caribou?" Parasitology 136, no. 2 (December 22, 2008): 253–65. http://dx.doi.org/10.1017/s0031182008005246.

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SUMMARYMacroparasites potentially play a significant but often ignored role in the ecology and dynamics of wild ruminant populations. In the Arctic, parasites may impact on host populations by exacerbating the effects of seasonal and limited forage availability on the condition, fecundity and survival of individuals. We studied the effects of abomasal nematode parasites and warble flies, Hypoderma tarandi, on condition and pregnancy of caribou Rangifer tarandus in the Dolphin-Union herd, Nunavut, Canada. By the end of winter, female caribou over 2 years old showed a significant decrease in body weight with increasing nematode burden, and a decrease in back fat depth with increasing warble abundance. These effects were exaggerated in the non-pregnant fraction of the population. High warble larvae burdens were also associated with significantly reduced probability of being pregnant. Our research demonstrates a negative relationship between parasites and caribou condition that may have consequences for their fitness. Additionally, we discuss the possibility that muskox Ovibos moschatus share some parasite species with the caribou and could lead to elevated burdens in the sympatric host. Parasites may have been a contributory factor in a previous winter range-shift of the caribou herd and this may reflect a form of apparent competition between the two ungulate species.
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3

Liaqat, Sadia, Mazhar Qayyum, Figen Celik, Sami Simsek, Faheem Ahmad, Xiaocheng Zhang, Haroon Ahmed, and Jianping Cao. "Comparative Analysis of Different ELISA Methods for the Serodiagnosis of Przhevalskiana silenus Infestation in Goats." Veterinary Sciences 10, no. 6 (June 16, 2023): 396. http://dx.doi.org/10.3390/vetsci10060396.

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Przhevalskiana silenus (warble fly) grubs cause myiasis in goats, in mountainous and semi-mountainous areas and different regions in Pakistan, and cause substantial losses to livestock. The palpation method for detecting warble flies generally neglects the infestation intensity; therefore, the development of a reliable and efficient diagnostic technique is extremely necessary. This study compared three indirect enzyme-linked immunosorbent assay (ELISA) methods for detecting anti-P. silenus antibodies using the hypodermin C (HyC) purified from Hypoderma spp. Larvae collected in cattle (local isolate, Microbiology Laboratory, PMAS-Arid Agriculture University, Rawalpindi), the crude antigen from the first instar stage of P. silenus, and a commercial Bovine Hypodermosis Antibody ELISA kit (IDEXX Laboratory), for accurately estimating the seroprevalence of goat warble fly infestation (GWFI) in the Pothwar plateau, Punjab, Pakistan. The ELISA with the crude antigen of P. silenus proved very sensitive and specific, 91% and 93%, respectively. The optical density exhibited a monthly variation, and the antibody titer began increasing from June, continually increased from July to December, and gradually decreased thereafter until March. The study confirmed the endemic status of GWFI in the Pothwar region and identified that ELISA based on the crude antigen of P. silenus was a more sensitive and specific immunodiagnostic method for determining seroprevalence, and could be employed for initiating nationwide eradication campaigns.
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Ballesteros, M., B. J. Bårdsen, K. Langeland, P. Fauchald, A. Stien, and T. Tveraa. "The effect of warble flies on reindeer fitness: a parasite removal experiment." Journal of Zoology 287, no. 1 (December 2, 2011): 34–40. http://dx.doi.org/10.1111/j.1469-7998.2011.00883.x.

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5

Okunev, A. M. "THE EFFECTIVENESS OF SOME PYRETHROID PREPARATIONSIN CLINICAL CASES OF BOVINE HYPODERMATOSISIN THE TYUMEN REGION." Vestnik Altajskogo gosudarstvennogo agrarnogo universiteta, no. 9 (2021): 50–54. http://dx.doi.org/10.53083/1996-4277-2021-203-09-50-54.

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There are two types of bovine warble flies in the Tyu-men Region: Hypoderma bovis and Hypoderma lineatum. The larvae of these insects cause significant harm to ani-mals, and farms bear significant economic damage due to decreased meat and dairy productivity of cattle and dam-age to leather raw materials. Ivermectin-based drugs are the most efficient means of controlling these pests. How-ever, recently, within the former Soviet Union and beyond, there were reports on the development of resistance in some insect species, including gadflies, to avermectin-typepreparations. In this regard, it is relevant to search for larvi-cides from other chemical groups that are efficient against the diseases caused by bovine warble flies. The research goal was to test the larvicidal activity of some preparations from the group of synthetic pyrethroids in comparison with the recommended means of controlling mature warble fly larvae by pour-on method. To exterminate mature larvae in fattening steers spontaneously infected with the parasites,Hypodectin-Nwas used; to compare the effectiveness, pyrethroid-based preparations were used: Ectomin -0.5% aqueous emulsion of Cypermethrin, Ectopor -2% solution of Cypermethrin, and Purofen -3% solution of Esfen-valerate, all ready to use. The solutions were applied to the skin of animal backs on both sides of the vertebral column using a syringe dispenser in a dose of 15 mL. The experi-ments have shown that the preparations of Cypermethrin and Fenvalerate prepared on the basis of organic solvents have high lipophilicity which ensures long-term preserva-tion of pyrethroids on the skin and their penetration into the capsules of the larvae of the hypodermal layer. Larvicidal efficiency of Ectopor and Purofen made 89.9 and 95.6%, respectively, while the activity of Hypodectin-Nmade 95.4%. Toxicological studies have shown that pyrethroid preparations do not cause irritation and destruction of the epidermis and hair of the skin, do not change the clinical status of steers and hematological indices of the treated animals. The obtained data allow advising Ectopor and Purofen for late chemotherapy of bovine hypodermatosis by pour-on methodin a dose of 15 mL per animal.
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6

Colwell, Douglas D., and Nancy M. Berry. "Tarsal Sensilla of the Warble Flies Hypoderma bovis and H. lineatum (Diptera: Oestridae)." Annals of the Entomological Society of America 86, no. 6 (November 1, 1993): 756–65. http://dx.doi.org/10.1093/aesa/86.6.756.

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7

Mooring, Michael S., and Benjamin L. Hart. "Animal Grouping for Protection From Parasites: Selfish Herd and Encounter-Dilution Effects." Behaviour 123, no. 3-4 (1992): 173–93. http://dx.doi.org/10.1163/156853992x00011.

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AbstractGrouping has been widely accepted as a mechanism for protection from predation. Just as has been apparent with predation, there is now ample evidence that parasites (biting flies, warble flies and parasitoids) can impact an animal's individual fitness. Some aspects of grouping, namely an encounter-dilution effect and the selfish herd effect, appear to apply as much to protection of animals from flying parasites as protection from predators. The encounter-dilution effect provides protection when the probability of detection of a group does not increase in proportion to an increase in group size (the encounter effect), provided that the parasites do not offset the encounter effect by attacking more members of the group (the dilution effect). The selfish herd effect provides protection from flying parasites to animals that are in the center of a group or more closely placed to other animals. Most of the quantitative evidence for the protection from flying parasites from grouping comes from studies on ungulates. Further investigation of these effects among a variety of taxa is needed for a full appreciation of the role of parasites in animal grouping and sociality.
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8

Nilssen, Arne C., and John R. Anderson. "Flight capacity of the reindeer warble fly, Hypoderma tarandi (L.), and the reindeer nose bot fly, Cephenemyia trompe (Modeer) (Diptera: Oestridae)." Canadian Journal of Zoology 73, no. 7 (July 1, 1995): 1228–38. http://dx.doi.org/10.1139/z95-147.

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The performance of tethered flies on a laboratory flight mill was used to assess the flight capacity of Hypoderma tarandi (L.) and Cephenemyia trompe (Modeer). Maximum total flying times for H. tarandi females were 31.5 h, but most flies flew < 20 h (mean 8.5 h (SD 7.2 h)). The longest continuous flight was 12 h. For both species, mating greatly altered the flight behaviour of females. Unmated laboratory-reared females were reluctant to fly, and flew less continuously than mated wild-caught flies. Hypoderma tarandi males typically flew for short periods of a few minutes with long rests between flights. Cephenemyia trompe females seldom exceeded 10 h of total flying time (mean 4.9 h (SD 3.2 h), maximum 10.8 h), but were capable of many hours of sustained flight. Field-trapped C. trompe males normally flew < 8 h (mean 2.8 h (SD 2.1 h), maximum 7.1 h). In free flight the speed of C. trompe males was ≈8 m/s. Maximum flight distances during the lifetime of a fly were estimated to be 600–900 km for female H. tarandi, 220–330 km for female C. trompe, and 200–400 km for males of both species. Hypoderma tarandi could maximally reduce its mass to about 40% of initial mass, and the mass loss rate during flight was 3.5-fold that of basal metabolism (i.e., without flying) at 22 °C. The adaptive significance of the extraordinary capacity for sustained flight of female oestrids is related to the migratory behaviour of their vertebrate host, Rangifer tarandus (L.).
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9

Folstad, Ivar, Arne C. Nilssen, Odd Halvorsen, and Johan Andersen. "Parasite avoidance: the cause of post-calving migrations in Rangifer?" Canadian Journal of Zoology 69, no. 9 (September 1, 1991): 2423–29. http://dx.doi.org/10.1139/z91-340.

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Intensities of warble fly larvae, Hypoderma tarandi (L.), were examined in slaughtered reindeer (Rangifer tarandus tarandus L.) from different summer grazing areas of Finnmark County, northern Norway. To test the hypothesis that larval abundance decreases with increase in post-calving migration distance (i.e., distance from calving grounds), herds with differing migration distances were sampled. The prevalence of infection in the total sample of 1168 animals was 99.9%. The study revealed significant differences in larval abundance among herds from different summer grazing areas. Herds with post-calving migrations have significantly lower larval abundances than herds remaining on or near the calving grounds for the whole summer. Between-herds variation in abundance of H. tarandi larvae is assumed to reflect differing densities of the infective stage (adult flies) on the herds' summer ranges. Larval abundance in a herd is in turn negatively correlated with the distance between the main larval shedding areas (i.e., calving grounds) and the areas of greatest transmission (i.e., summer pastures). These results are discussed in relation to transmission of other parasites common to Rangifer and suggest that this host's post-calving migration may be a behavioural adaptation that reduces levels of parasitic infections.
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10

McMartin, B., I. Bellocq, and S. M. Smith. "Patterns of Consumption and Diet Differentiation for Three Breeding Warbler Species During a Spruce Budworm Outbreak." Auk 119, no. 1 (January 1, 2002): 216–20. http://dx.doi.org/10.1093/auk/119.1.216.

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Abstract Diets of three warbler species were analyzed during a spruce budworm outbreak in the boreal forest of northern Ontario. Beetles constituted a large portion of the food items consumed by Cape May (Dendroica tigrina), Bay-breasted (Dendroica castanea), and Tennessee (Vermivora peregrina) warblers early in the breeding season (7–11 June), and caterpillars were the most frequently used food category shortly later (18–24 June). Differences in diet served to differentiate the warbler species in the earlier period when Bay-breasted Warblers consumed more beetles, Tennessee Warblers consumed more caterpillars, and Cape May Warblers consumed more flies than the other species. Only Bay-breasted Warblers' continuing preference for beetles differentiated the warblers' diets in the later period. Food-niche overlaps increased for two of the three warbler species pairs between the two periods in June, but there was no change in the overlap between Bay-breasted and Cape May warbler diets.
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Books on the topic "Warble flies"

1

Minář, Jan. Střečkovitost skotu: Její vyźkum a potlačení v Československu. Praha: Academia, 1993.

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2

Colwell, D. D. Cattle grubs: Biology and control. Ottawa, Ont: Communications Branch, Agriculture Canada, 1992.

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3

Seymour, Hadwen. Warble Flies, Hypoderma Lineatum, Villers, and Hypoderma Bovis, de Geer. Creative Media Partners, LLC, 2023.

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Ebu Flies South: A Chestnut-Sided Warbler on His First Migration. Independently Published, 2020.

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Book chapters on the topic "Warble flies"

1

Chow, Y. S., Virendra K. Gupta, Sue W. Nicolson, Harley P. Brown, Vincent H. Resh, David M. Rosenberg, Edward S. Ross, et al. "Warble Flies." In Encyclopedia of Entomology, 4136. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_2615.

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