HARMON CREEK FARMS
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Managing Flies at the Farm

9/13/2020

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Managing Cattle On Pasture Without Insecticides.
By Christian Ramsburg

What can be done to combat the fly issue without the widespread use of chemicals?

If anyone has ever been around cattle in the summer, one thing that can be overwhelmingly noticeable is the amount of flies on the bodies and faces of the cows.  Most commonly, there are 2 types of flies that cattle deal with- horn flies and face flies.  Horn flies bite and feed on the blood of the cattle, while face flies feed on the mucous secretions of the face, nose, mouth and wounds.  Both are a major nuisance! They cause stress to the animals and can potentially transmit diseases, such as pinkeye throughout the entire herd.  The conventional approach to the fly issue is the frequent use of insecticides either sprayed directly on the cattle or administered through a pour-on or oral drench.  These methods are certainly effective in killing flies and minimizing fly related issues but they also have their downsides.  Over time, flies will become resistance to the insecticide, thus requiring multiple insecticides to be used and used more often.  Most insecticides are only effective for a few weeks at a time and then require another application, creating the need to round up the herd again creating stress and the possibility of injury to both animals and people. 
The more you treat cattle with chemicals to address issues, the more you suppress the natural genetic predisposition of the animal to deal with external and internal parasites on its own.  If you walk through any herd of cattle and observe fly numbers, you will notice that certain animals have a lot less flies than others.  These animals are better equipped to repel flies naturally; This is a characteristic that can be bred into cattle over time.  The biological effect of the chemicals on cattle can be argued but it really doesn't answer the fly issue as a whole either way. 
 At the end of the day, its important to limit stressors in order for the cattle to be healthy and perform well.  I've seen many "organic, natural" farm operations that didn't want to use any chemicals,  but their cattle were infested with flies and most of them had pinkeye, which can lead to the permanent loss of sight.  I don't tolerate the suffering of an animal for the sole purpose of living up to a purist ideology. Trying to raise animals insecticide free takes active management and strategies that need to be adjusted and constantly improved upon to be able to ensure animal health and well-being. While no practice is 100% effective in eliminating flies, what we do at Harmon Creek Farms controls the fly populations to a manageable level without the use of chemicals.
The life cycle of the horn fly begins with adult flies laying eggs in fresh cow manure,  the eggs hatch to become maggots by day 3 and then become adults by day 10-20 depending on the weather, and then living for about 3 weeks.   The key to controlling flies is to disrupt this cycle.  The more cows are forced to stay in the same pasture and poop in the same area, the more they are subjugated to a growing fly population 
Here at Harmon Creek Farms, we do a number things through everyday management to disrupt the life cycle.  Moving our cattle to new pastures frequently is an effective way to put distance in between them and their manure. We move our cattle to fresh pasture often.
The other management tool we use is to encourage populations of fly predators. For us, that's primarily birds and dung beetles. 
With a healthy population of dung beetles, who live and feed on cow manure,  a fresh manure pat can be totally utilized and almost disappear within a week, thus eliminating the fly egg habitat.  Increasing dung beetle populations is a long process but is primarily done by ceasing the use of cattle de-wormers, which kill fly larvae but also kill dung beetles.  By moving cattle frequently to new pastures we break the internal parasite life cycle, making de-worming unnecessary. 
We encourage populations of fly eating birds, such as swallows and purple martens by building birdhouses and placing them throughout the pastures.  Certain times of the day you will see hundreds on birds in with the cattle, sometimes even perched on the cows heads, eating flies directly off their faces.
We've also tried adding garlic into their mineral supplement, this practice shows promise, but we haven't done it long enough to verify how effective it is.
We will continue to find natural ways to combat flies WITHOUT the use of insecticides.
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How It All Started

7/6/2020

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We never intended to start a farm.  We all had other careers and no one in the family had any farming experience.  We had purchased 1100 acres of hunting land in Cadiz, Ohio from a coal company and intended to sell a large portion of it off to other hunters.  The hunting was great and we were regularly shooting deer and turkeys.  We got to know several friends from the area that were either raising beef cattle or raising chickens for a large confinement operation.  It was enchanting and relaxing watching the cattle graze on the hills. 

​And then one of our friends invited us over to show us their chicken confinement operation.  In fact, they had to sneak us in at night because no one was allowed in to see the facility.  We were excited to see the operation. We stepped into a climate-controlled barn that was the size of a football field.  There were three of those barns.  The chickens were 2 days from slaughter.  There was no room for the chickens to move.  There were very calm, almost numb.  The operator explained that the food and water came down from the ceiling when it was time to eat.  After the chickens ate, they turned the lights off so they would go to sleep, they didn't not want the chickens to move.  The chickens never went outdoor, they never saw sunlight or ate bugs or grass.  They never got to move or do anything they wanted to do .  I had heard about these horror stories but had hoped it wasn't true.  But now I saw that it was true and it was horrifying.  I remember thinking that I would never eat chicken from a store again. 

I started doing research on pastured chicken and eggs, grass fed beef and pastured pigs.  I learned all about the health benefits of raising animals in an environment that is natural to them.  I was disturbed to find out that almost all the meat you buy in the stores has been raised in a confinement operation where the animals lived a horrible life and never got to do anything that they enjoyed.  In addition to that, the animals are fed antibiotics daily to try to prevent all the illnesses that come from animals living in tight proximity to each other.  We read The Omnivore's Dilemma. We visited Polyface Farms in Swope, Virginia to see how animals are raised outdoors and allowed to live a stress free life while being protected from predators.  The information was life changing.

And that is how it all started.. In the summer of 2014, we built a barn and started putting in electric fencing.  In the fall of 2014, our first cattle arrived at the farm. In 2015, the egg chickens and pigs arrived and we started farming. 

And that is the way it all began. 
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    Cheri Ramsburg
    ​Christian Ramsburg

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