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Veterinary Entomology - November 30, 2010 Volume 3, Issue 4 Veterinary Entomology Insect Updates Special Interest Articles: Winter Pests As many might have noticed Many people will start to use not be needed for fly control in Christmas is less than a barns or stalls more frequently most parts of Texas in the • Winter Pests month away now, and with in the winter to help keep cattle winter as long as manure is that comes the cold/cool warm, especially calves, and managed properly. • Bacteria House weather and winter pests. this is where fly problems will Flies Other arthropods that can be be an issue in addition to other One nice thing about winter is issue in the winter and will jointed-leg critters (lice, ticks, • Mosquitoes that fly control will not be top warrant pesticide usage are mites). priority as long as we keep lice, mites, and ticks. Bringing • Revised having these cold mornings Using barns/stalls in the winter the cattle together in close Trichomoniasis Regulations and cooler weather in the day. is a great idea but it is quarters helps them keep The flies are still around and necessary to keep them clean warm but it also helps them will be present during the day by removing manure on a spread these pests much when the temperature gets up weekly basis or more often. faster. Be sure all animals are past 55ºF, but densities will be This will keep fly densities from lice, mite and tick free before considerably less and the use rising to high and causing mixing with a herd. If any of of pesticides will not be irritation to the cows as well as these pests are encountered, warranted for pastured cattle. blood loss. Pesticides should treat immediately. Bacteria Carrying House Flies Research at the University of infections in humans. Cronobacter sakazaki, Florida (conducted by two of The house flies were collected Methylobacterium persicinum my committee members) has from entrances and trash bins and Staphylococcus sciuri. found five more bacteria outside of restaurants in species that are carried by This new study now puts the Gainesville, FL. A total of 11 Individual house flies. All of the newly number of pathogens on pathogens were found but six Highlights: identified bacteria on house house flies well up over 200! of them had already been flies are capable of causing It is important to control documented. The five new Insect Updates 1 illnesses such as food house flies for better human bacteria are Acinetobacter poisoning and respiratory and animal health Cattle Care 2 baumanni, Bacillus pumilus, Pesticides 3 Disease/Health 3 Controlling Malaria Mosquitoes Journal Review 4 Hebrew University researchers semi-arid Bandiagara District were found to have fed on the have developed a new, safe of Mali, West Africa. solution (which was dyed to Special Topics 3 and uncomplicated method to ensure verification). Sites were chosen and baited control malaria mosquitoes. with guava and honey with and The research in Mali shows The research was conducted in without the toxic additive (boric that even a single application Africa after being tested in acid). The solutions were of ATSB can substantially Israel. Attractants of plant sprayed in two different decrease mosquito densities. origin (fruit or flower) were locations, in the treated region This method is powerful, mixed with toxic sugar bait, there was a dramatic 90% effective, technologically referred to as the Attractive reduction in male and female simple, inexpensive and Toxic Sugar Bait Method mosquitoes. The mosquitoes environmentally safe. (ATSB) and applied in the Veterinary Entomology Page 2 of 5 Cattle Care Revised Trichomoniasis Regulations Changes to Texas’ The ‘virgin certificate’ given to The revisions exempt out-of- trichomoniasis (trich) regulates young bulls has also been state breeding bulls from an went into effect in Nov 2010. As extended from 30 to 60 days to entry trich test if they come many know, trich is a venereal be exempt from testing prior to from Certified Semen Service disease of cattle that causes change of possession. artificial insemination facilities cows to abort and slow to re- and where isolated from No change was made to non- breed. Cows when rested can female cattle. virgin bulls or bulls over 24 clear the disease but bulls are months of age, they still must The final revision will allow infected for life. have a negative trich test within untested, non-virgin TX bulls “Rule changes were in 30 days of being imported into to be sold and moved to a One newly adopted rule is that the works in response validity of negative cattle trich TX. Once the animal is in TX, feedlot prior to slaughter. to recommendations tests will be extended from 30 to the negative test will be good Previously they could only be 60 days provided the bulls are for 60 days provided they are sold directly to slaughter. from the yearly industry- not commingled with heifers or away from females during this led review of TX trich cows during that period. time. program.” Pesticides Update/Outlook Fenoxycarb Canceled EPA has issued that turf, home lawns, agricultural Fenoxycarb products fenoxycarb be canceled by areas, non-agricultural include Award Fire Ant Bait, Livestock/Veterinary December 31, 2012. areas, horse farms, and Fenoxycarb Technical, and Entomology Website Fenoxycarb is a carbamate ornamental nursery stock, Whitmire PT 2120 TF Is Up derivative used to control fire and others. Preclude. ants and big-headed ants on My website is officially online, please take a look. Resmethrin Canceled It is designed to provide Resmethrin has been registration required by EPA The loss of resmethrin could information on the canceled by the American are too costly and exceed the have a big impact on common livestock/ Mosquito Control profit value of the product. mosquito control. veterinary insect pests, as Association, the makers of well as give people an Resmethrin is an effective http://www.epa.gov/pesticides/ resmethrin. AMCA says that option to contact me and product against mosquitoes. reregistration/resmethrin the new studies and provide information on upcoming events. Let anyone that might be Interested in Pesticide Tolerance – EPA gives interested know about it and let me know what you you a way to check think. http://www.epa.gov/opp00001/r wants to look up the name egulating/part-180.html permanent tolerance for. The - Pesticide type and family http://livestockvet EPA has updated an online tolerance requirements can ento.tamu.edu tool that makes it easy to also be found by the common - EPA pesticide chemical search the pesticide name of the pesticide or by (PC) code tolerance information on food the type of pesticide. - Tolerance-specific and feed commodities. The index provides: information about pesticide - 40 CFR part 180 section chemicals and crop groups The site provides a way to by commodity, crop group, locate the Code of Federal - Chemical Abstracts Service or crop subgroup Regulations section numbers (CAS) registry number and for pesticides that a person Thank a Farmer Pesticide Stewardship The Center for Integrated person that applies, sells, Sounds like all of us could Do you know that one Pest Management (CIPM) stores, or disposes of benefit from looking at the farmer feeds 155 people?! has launched a new Pesticide pesticides; provides advice site. Environmental Stewardship or training on pesticide use; http://pesticidestewardship.org I can tell you people in (PES) website. or is involved in pesticide NYC didn’t. Here is a little stewardship or regulation. clip of them learning how The site is designed for any much farmers do and giving thanks in return. All farmers should watch to see how much they are Human & Animal Disease & Health appreciated. Global Warming Does Good http://www.dairyherd.co The warmer weather fleas hanging around their from rodents to humans. m/news_editorial.asp?p occurring in the US is homes. gID=675&ed_id=12794& Causes of plague have having adverse effects on news_id=29137&ts=nl2 The change in climate been low in the US (a the bubonic plague, and this causes the snow to melt dozen or so) with only 1 to is good. The warmer earlier and the soil to dry 3 deaths per year, but with weather has made it more out more, therefore leading the expansion of people difficult for bubonic plague to lowered humidity in the into rural areas, incidences to survive in rodent burrows. burrows. The lower could increase; lowering Since rodents are reservoirs humidity causes the fleas to the number of fleas with for bubonic plague, spread die off. Fleas are the bubonic plague pathogens by fleas, it is great to have carriers of the bacteria is always good. less of the bacteria carrying causing bubonic plague Another Integrated approach to controlling ticks Ticks are one of the most affluent Brian Allan has noticed that Amur which will lead to a reduction in the transmitters of pathogens that cause honeysuckle, an invasive Asian number of pathogen ticks present in severe human and animal diseases. plant, is a popular meal choice for an area. Fighting ticks can be a costly and white tailed deer the number one This is not a new concept, extensive process. host of the Lone Star Tick. entomologist have been suggesting A researcher from Washington Allan has suggested weeding this kind of control for insects for years University has suggested another areas of the Amur honeysuckle in but this is the first time I have heard way to fight ticks and their diseases order to cut back on the number using this tactic for mammals; sounds – weeding. of attracted white tailed deer, promising. Milk Rap Video Special Topics of Manure Digesters among Us This is a fun video for revenue generation.
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