Northwest New York Dairy, Livestock & Field Crops Enrollment

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Fly Time is Back

Jerry Bertoldo, Dairy
Northwest New York Dairy, Livestock & Field Crops

June 25, 2013

Although difficult to imagine why, flies do have a role in the master plan of nature. As far as cattle go, however, flies lack any redeeming value. Their control has led to creative chemical and mechanical remedies. Unfortunately, we often ignore the basic consideration needed, that of environmental management.

Since fly propagation relies on moisture and organic matter buildup, wet bedding, manure piles, waste feed or even the neighbor's grass clippings are ideal places to mass produce these pests. Only the horse and deer fly do not take advantage of manure or manure laden material as a choice breeding ground.

Production and health problems
Flies in our climate are not important disease carries. Pinkeye and some mastitis problems can be directly attributed to flies irritating the eye or teat end and introducing pathogens. The biting stable and horn fly are considered the most economically significant ones impacting weight gain in youngstock and milk production in cattle. Horn flies are pasture pests. A 10-20 lbs. missed opportunity weight gain is common for youngstock during the grazing season. For dairy cows, a 20% drop in milk production can be experienced with regular grazing.

Closing down the fly brooder house - things to do
  • Clean up waste feed and manure piles within one week's time.
  • Don't let rainwater, manure and silage leachate puddle if possible.
  • Spread manure as thin as possible to promote dry down.
  • Don't let feeding areas in front of calves and cows in the barn or out on pasture build up and stay wet 
  • Use shavings, sand or pea gravel in fly season for bedding instead of straw.
  • Keep in mind that the base of un-wrapped round bales stored in the field afford the same breeding ground as more obvious problem causing organic waste.

Other fly control measures
Natural control of flies does exist in the form of small wasps, mites and beetles. The extensive breeding areas our livestock production areas provide is large, however. Fly reproduction is much more rapid than that of their enemies. The release of fly predators (often small wasp-like insects) on a regular basis starting in mid-May effectively keeps the fly population explosion from happening. This does not work very well if a close neighbor does nothing as far as fly control and exports their flying friends to your place or you start predator release in July!

Premises sprays can be useful particularly around calf hutches and breeding ground sites. Keep in mind, however, that some of these pesticides will not only kill flies, but the natural or store bought predators to boot! Check the label. Products that kill fly larvae in manure can be fed to both the old and young. Clarifly® and Rabon® are examples. Neither of these poses a threat to natural fly predators if used this way. Both products kill the fly larvae preventing any pupae from developing. It is the pupal stage, not the earlier larval one that fly predators attack.

Fly tags, back rubs, dust bags, insecticide sprays or pour-ons are useful tools against flies, but precautions about labeled use in dairy cattle must be taken. Effect and duration may vary widely. Sprays should never be mixed with diesel fuel or other oils before application. Toxic levels of absorbed insecticide may result. Keep in mind that products must be rotated and used according to label to avoid fly resistance problems.

Don't forget the old-fashioned sticky tapes and ribbons. These can control low to moderate fly populations around premises if changed when needed. Devices such as the Epps Biting Fly Trap™ can be very useful on species not controlled by predators, larvacides or premises sprays. These attract flies by contour and lighting contrasts mimicking how animals appear to biting flies.

For a revolutionary solution to addressing flies there is the new Cow Vac product form Spalding Labs. This link will tell the story: https://www.spalding-labs.com/products/fly_control_products/cow_vac/default.aspx


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calendar of events

Upcoming Events

2019 Corn Silage Pre-Harvest Workshop - Penn Yan

September 17, 2019
10:00am to Noon
Penn Yan, NY

Corn silage harvest is drawing near. The way corn silage is harvested and stored is a single event that affects your operation for the entire next year. Are you prepared to set your operation up for success? 
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Ontario County Fun on the Farm

September 21, 2019
11:00 am- 4:00 pm
Seneca Castle, NY

Fun on the Farm works to educate non-farm public and our neighbors about agriculture around them. It is fun and educational.

Fun on the Farm attracts thousands of people and gives us the opportunity to communicate to the community the benefits of the agricultural production in Ontario County, the state, and the nation.

The event is free! There are many agricultural products that are available to be sampled. It is the perfect place to try that product you have seen in the store but didn't want to commit to purchasing.

Food is available to purchase for lunch. It is provided by a local service group.
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Bovine Reproduction and AI Training Course

September 24 - September 25, 2019
9:30am - 3:30pm
Shortsville, NY

**CLASS IS FULL**

This two-day AI workshop will be held on September 24 and 25. 

Topics covered will include:

• Reproductive Physiology
• Synchronization Protocols
• Heat Detection
• Artificial Insemination
• Proper Thawing of Semen
• Loading A.I. guns
• Practice Breeding Cows

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Announcements

Preventing Sexual Harassment on Farms

If you're wondering how to get your farm business in compliance with NYS Sexual Harassment Regulations, you've come to the right place.  The 2018 New York State budget included new regulations addressing sexual harassment in the workplace that became effective on October 9, 2018 for all New York employers, including agricultural employers. All employers are required to have a sexual harassment prevention policy and to provide annual, interactive sexual harassment prevention training for all employees.  Check out the resources developed by Cornell Ag Workforce Development, including step-by-step instructions and farm-friendly training videos.


RMA Announces Additional One-time Changes to Prevented Planting Provisions

June 29, 2019

RMA Announces Additional One-time Changes to Prevented Planting Provisions
for 2019 Crop Year

In response to delayed and prevented planting resulting from above average rainfall and wetness, the USDA Risk Management Agency has made a one-time change to the 2019 crop year prevented planting rules that effectively allows silage corn, if planted as a cover crop following local agricultural expert guidelines, to be acceptable as a post-prevented planting cover crop. Under this one-time rule change, producers are allowed to produce this crop while retaining their prevented planting payment. This change couples with previously announced one-time changes to the prevented planting rules - including expanded acceptable uses for post-prevented planting cover crops and a change in the cover crop haying and grazing start date rule - serve to help those struggling to meet their forage needs due to the weather.

Read the full article from the New York Crop Insurance Education Program.

The USDA-RMA states that "For crop insurance purposes, a cover crop is a crop generally recognized by agricultural experts as agronomically sound for the area for erosion control or other purposes related to conservation or soil improvement." PRO-DAIRY specialists Joe Lawrence and Karl Czymmek and Dr. Quirine Ketterings, Professor and Director of Cornell Nutrient Management Spear Program have released a letter stating "Corn on Prevented Planting acres meets these objectives."


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