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Environmental Effects of aquaculture essay
Environmental Effects of aquaculture essay
Environmental Effects of aquaculture essay
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For years now there has been a lot of controversy surrounding poultry production and its effect on the environment, more specifically, the use of chicken manure as a fertilizer. Agencies like the Environmental Protection Agency (E.P.A.) insist that the chicken manure runoff is a major source of pollution; however, it is viewed as “black gold” on Delmarva. It’s hard to believe that this is such a hot topic in Delaware and the surrounding area, yet some people don’t even know what a chicken house looks like. Delawareans need to become more involved and educated on the topic so that the poultry industry that does so much for this state isn’t shut down. In the following, a basic overview of poultry production, benefits of chicken manure, allegations against the use of chicken manure, and arguments against Federal Protection Agencies will be discussed.
Basic Overview of Poultry Production
For those who don’t know, Poultry production is an essential cog in the wheel of the agriculture industry. Last year, Delmarva alone produced 3.4 billion pounds of chicken worth about $1.9 billion (Hurdle, 2011).
The industry got its start in 1923 when Cynthia Steele of Ocean View, Delaware, raised 500 chicks. She sold 387 of them for 62 cents a pound and five years later she was raising 25,000 chickens (Hurdle, 2011). Today, the average chicken house starts with about 90,000 chicks. One woman paved the way for a multi-million dollar industry that has brought a countless number of jobs to the peninsula. Altogether, Delmarva’s poultry industry consists of five major companies that employ about 15,000 people and process about 11 million chickens a week (Hurdle, 2011).
Sussex County in particular is ranked the number one poultry producing county among...
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...1, 2013, from http://www.wdde.org/13455-chickens-play-big-role-delmarva-economy-history/
Johnson, G., & Shober, A. (2013, May 17). Field Crops Growers Can Conserve Nitrogen in Poultry Litter While Retaining Benefits of No-Till | Weekly Crop Update – Cooperative Extension in Delaware. Retrieved October 21, 2013, from http://extension.udel.edu/weeklycropupdate/?p=5581
Montgomery, J. (2013, May 15). Study: Water pollution from poultry farms overestimated. Retrieved October 21, 2013, from http://www.usatoday.com/story/news/nation/2013/05/15/poultry-pollution-overestimated-study/2161283/
Scudlark, J., Jennings, J., Roadman, M., Savidge, K., & Ullman, W. (2005). Atmospheric nitrogen inputs to the Delaware Inland Bays: the role of ammonia. Environmental Pollution (Barking, Essex: 1987), 135(3), 433-443
The Associated, P. (2000). Chicken Cos. To Help With Waste. AP Online,
Television commercials, print ads, and billboards in the Washington, DC, area are asking residents to connect two things many might find unrelated: lawn care and seafood. In one commercial, a man stuffs a big plateful of grass in his mouth after a voice-over says, “Spring rains carry excess lawn fertilizers through our sewers and rivers and into the Chesapeake Bay, where the blue crab harvest has been extremely low. So skip the fertilizer until fall, because once they’re gone, what’s left to enjoy?”(Environment, p. 7)
On the topic of environmental impacts due to “industrial farming”, Bill McKibben and Blake Hurst share completely different perspectives. McKibben believes that industrial farming has simply left an unexcusable bad impact on the environment, saying that it is unethical and that the meat we eat is potentially killing our environment and us as well. McKibben states that “we should simply stop eating factory-farmed meat, and the effects on climate change would be one of the many benefits.” (page 201). McKibben addresses that the techno fixes brought in industrial farming are simply not enough to help our environment.
...urkholder, J., Libra, B., Weyer, P., Heathcote, S., Kolpin, D., Thorne, P., et al. (2007). Impacts of waste from concentrated animal feeding operations on water quality. Environmental Health Perspectives, 11(2), 308–312. Retrieved from http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1817674/pdf/ehp0115-000308.pdf
The need for affordable, efficiently produced meat became apparent in the 1920’s. Foer provides background information on how Arthur Perdue and John Tyson helped to build the original factory farm by combining cheap feeds, mechanical debeaking, and automated living environ...
The U.S annual per capita consumption of poultry has risen dramatically during the past 40 years from 26.3 pounds to almost 80 pounds in 1990.
This can be misleading. The bay takes up a large part of land but it is not very deep and does not contain much water. This makes the bay vulnerable to pollutants because there is not much water to dilute them.(Runoff and the Chesapeake Bay) Most of the excessive nutrients in the bay come from agricultural run off. For example, Lancaster County produces more than ten billion pounds of manure annually.
Baker, William C., and Tom Horton. "Runoff and the Chesapeake Bay." GreenFILE. EBSCO, Nov.-Dec. 1990. Web. 1 Mar. 2014.
"Record-High Antibiotic Sales for Meat and Poultry Production." pewhealth.org. The Pew Charitable Trust, 6 Feb. 2013. Web. 20 May 2014. .
...fortable chickens, but the farmers will not need to spend hundreds of thousands of dollars renovating their barns for no valid reason.
...ation…. Beef also used the most land and had the highest acidification impacts.” Lamb did a bit better, followed by pigs, and chicken came out on top . This being said, chicken farming still has a major impact on the environment. Just because the most widely eaten meat in America is the “greenest” of the meats does not mean it is entirely green. As shocking as this is, remember, this statistic is minuscule when compared to cows.
All of the livestock being raised throughout the world produce enormous amounts of manure and urine, which in turn pollute natural resources. Animal waste changes the pH of our water, contaminates our air; and the gases emitted are believed to be a major cause of global warming. To keep costs down, the modern animal farming practice is to raise livestock in feedlots and factory farms where thousands or tens of thousands of animals are crowded into small spaces. However, this makes the animal waste problem worse because of concentrated waste. Livestock in the U.S. produce 2.7 trillion pounds of manure each year. That’s about ten times more waste than was produced by all the American
Poultry is by far the number one meat consumed in America; it is versatile, relatively inexpensive compared to other meats, and most importantly it can be found in every grocery store through out the United States. All of those factors are made possible because of factory farming. Factory farming is the reason why consumers are able to purchase low-priced poultry in their local supermarket and also the reason why chickens and other animals are being seen as profit rather than living, breathing beings. So what is exactly is factory farming? According to Ben Macintyre, a writer and columnist of The Times, a British newspaper and a former chicken farm worker, he summed up the goal of any factory farm “... to produce the maximum quantity of edible meat, as fast and as cheaply as possible, regardless of quality, cruelty or hygiene” ( Macintyre, 2009). Factory farmers do not care about the safety of the consumers nor the safety of the chicken, all the industrial farmers have in mind are how fast they can turn a baby chick into a slaughter size chicken and how to make their chicken big and plumped. Factory farming is not only a health hazard to the well-being of the animals, but the environment, and human beings ;thus free range and sustainable farming need to be put into practice.
Tom Regan, “The Case for Animal Rights,” in In Defense of Animals, ed. Peter Singer (Oxford: Blackwell, 1985), 21. U.S. Department of Agriculture, National Agricultural Statistical Services, Livestock Slaughter. 2005 Summary, March 2006: USDA, NASS, Poultry Slaughter: 2005
Other researchers, including Foote, Joy, & Death (2015) , Bain & Dandachi (2015)have identified that the intensification of dairy farming has the potential to degrade water-ways.
The greenhouse gases are those that absorb the Earths radiation and thus contribute to the greenhouse effect, but water is also a major absorber of energy. Where there is an increase in the concentration of greenhouse gases (as with CO2 due to the burning of fossil fuels) this results in an enhanced greenhouse effect - which is of concern as it could lead to climate change (i.e. global warming).