Enviromental Science: Blog #6- Peer Reviewed Sources (Senior Project)

Feedlots

Peer-Review #1: Prevalence, Antibiotic Susceptibility, and Diversity of Escherichia coli O157:H7 Isolates from a Longitudinal Study of Beef Cattle Feedlots –
Escherichia coli O157:H7 (E.Coli) has been identified to be in one of the four feedlots. A recent study shows that there is a way to cure E.Coli infections that is founded in the animals in which we consume daily. Researchers say that the cattle that live on the feedlot did not have the E.Coli infection that it was brought in from the cattle that had not been injected with antibiotics or hormones yet. Therefore the cattle’s feces released CO2 into the air causing the feedlot cows to take in the CO2 giving them this infection of E.Coli.

Citation:
"Prevalence, Antibiotic Susceptibility, and Diversity of Escherichia coli O157:H7 Isolates from a Longitudinal Study of Beef Cattle Feedlots -- Galland et al. 67 (4): 1619 --." Applied and Environmental Microbiology. Web. 25 Feb. 2010. .


Peer-Review #2: Survey of Salmonella Serotypes in Feedlot Cattle –
Authors: Fedorka-Cray, P.J.1; Dargatz, D.A.2; Thomas, L.A.3; Gray, J.T.1
Source: Journal of Food Protection®, Volume 61, Number 5, May 1998 , pp. 525-530(6)
Publisher: International Association for Food Protection
Do to the fecal matter that the cows produce researchers have found Salmonella. They took samples of the fecal matter and was determined that due to Salmonella, the humans eating the cattle were getting sick due to that. Once the feces is released from the cattle CO2 is produced calling air pollutant which can get us sick but not only is the air pollutant a problem with this issue is how the animals are getting fed as well as how the feedlot owners are injecting into the cattle such as the hormones and antibiotics to get the fatter and to produce meat then the average cow who is not getting injected with needles everyday. Since we eat the cattle it is for sure determined that we will consume some of the hormones injected into them causing us to get sick and possibly even death may occur sue to the percentage of Salmonella or E.Coli the cattle may have.

Citation:
"IngentaConnect Survey of Salmonella Serotypes in Feedlot Cattle." IngentaConnect Home. Web. 25 Feb. 2010. .