MyMedR

First report of canine cutaneous myiasis caused by Chrysomya bezziana Villeneuve (Diptera: Calliphoridae) in Thailand

Prachasilchai W, Sanit S, Sontigun N, Chaithong U, Sukontason K, Sukontason KL

Trop Biomed, 2020 Mar 01;37(1):251-257.

Although myiasis caused by the blow fly, Chrysomya bezziana Villeneuve (Diptera: Calliphoridae), has been reported in Thailand, all of the cases were human. This study described three cutaneous myiasis cases caused by C. bezziana in dogs in Chiang Mai province, northern Thailand. The removal of fly larvae together with specific treatment to cure all cases in this study was represented.

Matched MeSH terms: Myiasis/veterinary*

Two new records of flies causing myiasis from Saudi Arabia with a survey of flies parasitizing goats and sheep in Jazan Region

Alahmed AM, Nasser MG, Sallam MF, Dawah H, Kheir S, AlAshaal SA

Trop Biomed, 2020 Jun 01;37(2):499-512.

PMID: 33612819

Despite the medical, veterinary and forensic relevance of myiasis-causing flies, knowledge of their diversity in Saudi Arabia is limited especially in the southern region. Therefore, a survey of myiasis-causing flies in the Jazan region was carried out using Red Top Fly Catcher traps baited with either decomposing beef liver or a lure composed primarily from fishmeal during the period April 2013-March 2014. Twelve known species were identified and recorded in this study, seven species of them belonging to Calliphoridae (Chrysomya, Lucilia, and Hemipyrella) and five species belonging to Sarcophagidae (Sarcophaga). Two of these species were recorded for the first time for Saudi Arabia, namely Hemipyrella pulchra (Wiedemann, 1830) and Sarcophaga (Liosarcophaga) exuberans Pandellé, 1896. Images of the species recorded are also provided for the first time. The results expand the knowledge of geographical distribution, fauna, and habitat of the myiasis-causing flies in Saudi Arabia. Biological information and world-wide geographical distribution of these species are included together with some taxonomic remarks.

Matched MeSH terms: Myiasis/veterinary*

Warble-fly (Hypoderma sp.) infestation in imported cattle in West Malaysia

Rajamanickam C, Ananthan VN, Arunasalam V, Thuraisamy M

Southeast Asian J Trop Med Public Health, 1973 Jun;4(2):282.

PMID: 4749092

Matched MeSH terms: Myiasis/veterinary*

Screwworm myiasis caused by Chrysomyia bezziana in zoo and domestic animals in Malaysia: a report of 3 cases

Werner RM, Dohany AL, Vanniasingham JA, Huxsoll DL

Proc Annu Meet U S Anim Health Assoc, 1980;84:339-42.

PMID: 6947291

Matched MeSH terms: Myiasis/veterinary*

Cattle herd inspections and fly trapping for the detection of the Old World screw-worm fly (Chrysomya bezziana)

Urech R, Muharsini S, Tozer RS, Sumartono, Green PE, Brown GW, et al.

Aust. Vet. J., 2014 Jan;92(1-2):28-32.

PMID: 24471879 DOI: 10.1111/avj.12142

To compare the sensitivity of inspections of cattle herds and adult fly trapping for detection of the Old World screw-worm fly (OWS).

Matched MeSH terms: Myiasis/veterinary*

Chrysomya bezziana (Diptera: Calliphoridae) infestation: case report of three dogs in Malaysia treated with spinosad/milbemycin

Han HS, Sharma R, Jeffery J, Noli C

Vet Dermatol, 2017 Apr;28(2):239-e62.

PMID: 27918123 DOI: 10.1111/vde.12403

BACKGROUND: Infestation of wounds with the larvae of Callophorid flies is relatively common in countries where these parasites are found. The most common species associated with infections in Southeast Asia is Chrysomya bezziana (Ch. bezziana), the Old World screw worm. Treatment consists of either subcutaneous injection of ivermectin or oral administration of nitenpyram combined with aggressive tissue debridement under general anaesthesia.

OBJECTIVES: To describe the treatment of cutaneous myiasis in three dogs caused by the larvae of Ch. bezziana in Malaysia and their treatment with spinosad plus milbemycin.

RESULTS: In all dogs, a single oral dose of spinosad plus milbemycin at the recommended dosage of 31-62 mg/kg and 0.5-1.0 mg/kg, respectively, was able to kill all larvae within 8 h. Most dead larvae fell off the host and those remaining on the host were dead and easily removed with simple saline flushing and gentle debridement. Neither general anaesthesia nor aggressive mechanical debridement were needed in any patient.

CONCLUSIONS AND CLINICAL IMPORTANCE: Oral spinosad plus milbemycin is a safe, licensed and effective treatment at the recommended dose for the rapid elimination of Ch. bezziana myiasis, with no need for sedation or anaesthesia.

Matched MeSH terms: Myiasis/veterinary*

Use of insecticides to control screw-worm fly strike by Chrysomya bezziana in cattle

Perkins ID

Aust. Vet. J., 1987 Jan;64(1):17-20.

PMID: 2439062

Some insecticides to control and prevent screw-worm fly strike by Chrysomya bezziana in calves and adult cattle were tested in field trials on cattle in Sabah, East Malaysia. Ivermectin injected subcutaneously in newborn calves at 200 mu/kg provided 10 days protection from screw-worm fly strike, which allowed navels to dry. Ivermectin, 1% dichlofenthion plus gentian violet and 3% lindane plus pine oil smear were all effective in preventing re-strike of treated wounds in adult cattle. A single subcutaneous injection of ivermectin at 200 mu/kg was effective, whereas it was necessary to re-apply the dichlofenthion and lindane smear preparations every 48h.

Matched MeSH terms: Myiasis/veterinary*

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