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Cows And Human Evolution Essay

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Human Evolution on Cows

How have humans impacted on the evolution and domestication of cattle (cows) throughout generations? Humans have caused a huge impact on the most popular farm animal, the cow. Artificial selection is the forced reproduction of individuals in a certain population humans are involved. Cattle referring to cows have originally evolved over millions of years through natural selection and human impact causing a change or an evolution in the species. Normally it’s the fittest or healthier and good-looking cows that tend to survive the most. Once humans got involved in the process of selecting the traits that they liked and desired they breed them for specific traits such as meat and their milk. Today there are over 800 different …show more content…

The environment depends a lot and may have a negative or positive effect on a cow. For example black cattle may have a hard time adapting and living in a hot environment with high solar radiation. Another limitation is that they inject cows with vaccines to make them stronger and have more muscle. Each year 30 million cows are sent to feedlot where they feed cattle with high proteins and hormones to produce more beef and have more protein, which is bad for them because it alters the healthy growing process. Not only does it affect their physical shape but also it causes a discomfort in their daily activities and diseases could be found. A study was found that scientists injected genes from bacteria known as archaea into cells and then into cow embryos using the technique used to clone dolly sheep. Five calves were born were born and three were found to carry genes with low lactose milk while two of them died. When manipulating cows to have desired traits its probable they will die or have a mutation. Focusing on the good benefits artificial selection brings is that cows will make more milk and beef for the benefit of humans to have more quantity. Biotechnology is good is breeding to remove the harmful characteristics that some cows may inherit such as selecting cattle without

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One other challenge was that farmers began to close off their fields with barbed wire, to keep the cattle out so they couldn’t graze the field. When in the business of ranching, cattlemen were often the fault of their downfall. Cattle weren’t allowed to graze farmer’s fields, they over grazed the remainder range which damaged the prairie grass. They also overstocked the market which lowered the price of beef. By 1885-86 when 85% of cattle were lost due to starvation and freezing temperatures, thousands of individual ranchers and many large corporations were ruined.

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Currently, the U.S. is the leader in the fed-cattle industry and was the prime producer of quality, grain-fed beef cattle in the World in 2012. The U.S. was a pioneer in the ranching industry and has been instrumental in shaping the cattle industry into what it is today. Many of the early advancements made within the industry can be credited to the King Ranch, established in 1853. The King Ranch opened the door to large scale ranching and developing new breeds and methods to increase efficiency and decrease labor required to run a beef cattle herd. Richard King’s ranch continues to be the icon of modern day American ranching.

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Most people my age have a passion for playing sports, but my passion in life is a little different than most. I grew up living on a farm and being around cattle ever since I could walk has been apart of my life, which brought me to one of the reasons why I have a passion for showing cattle. People often wonder why I love showing cattle so much and what the point of it is, but there are so many reasons why I have grown the love for it. There is just something special about the feeling of your heart racing when you walk into the show ring or the handshake from the judge telling you that all your hard work has payed off. The life lessons, the memories, the friends, and the love my family

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Genetically modified food, usually short written as GM food, is food which composed by artificial modified DNA, like insert genes from another organism. GM food is not newly introduced technology, the first scientist discovered genes can be transfer between organism was in 1946, the first genetically modified products first appeared in 1983. However, debates over the topic has never stopped. Some people hold positive view towards GM food, think that it can improve our world.

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Mad cow disease is a rare but deadly disease that is obtained by cows from contamination feeding or activation of prions. Once this disease spreads to human, the situation gets about ten times worse. The human version of BSE (Mad cow disease) is called vCJD (variant Creutzfeldt-Jakob disease). This disease destroys the brain and will kill you if you leave it alone. You can get vCJD just by eating beef from a cow that had the disease.

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The documentary Cowspiracy, overall, wants to tell us about the truth behind animal agriculture, which heavily affects the survival of our planet. Basically, the documentary said that animal agriculture is responsible for most of the greenhouse gases that lead to global warming, which also affects our planet. The goal of this documentary is to make us believe that the meat industry, and by extension the fast food industry, are the causes that lead to most of our environmental issues. Also, the documentary stated that the amount of water that is used for cows and other livestock is way too much and our planet will gradually face a lack of water. The solution that they propose is just to become vegetarians, which will solve everything.

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