First, where does most of the meat we see in the store come from?
I would expect, as with any set of facts and figures, for different groups to skew statistics to persuade their point of view. Both highlight particular facts and generally we get a truer picture when we consider as many sources as possible.
The folks at animalrights.about.com report:
Cattle in the U.S. start life on a pasture, nursing from their mothers and eating grass. When the calves are about 12-18 months old, they are transferred to a feedlot where they eat mostly grain.
...97% of the beef produced in the U.S. is grain-fed feedlot beef, while the other 3% is grass-fed.
We see from www.explorebeef.org:
Most beef cattle spend approximately four to six months in a feedlot just prior to harvest where they are fed a grain-based diet. At the feedlot (also called feedyard), cattle are grouped into pens that provide space for socializing and exercise. They receive feed rations that are balanced by a professional nutritionist. Feedlots employ a consulting veterinarian, and employees monitor the cattle’s health and well-being daily. Feedlots are efficient and provide consistent, wholesome and affordable beef using fewer resources. The time cattle spend in a feedlot is often called the "finishing phase."
Some producers choose to finish cattle on grass pasture. The beef derived from these animals is "grass-finished" (sometimes called "grass fed"). This is a significantly smaller segment of modern beef production because it requires unique climate conditions, and it takes the cattle longer to reach market weight. All cattle—whether they are grass-finished or finished in a feedlot—spend the majority of their lives grazing on grass pasture.
Regardless of attitudes and opinions, the fact remains that most beef cattle do spend time in a feed lot eating different foods and quantities than they would naturally in wide, open fields.
As to the health implications, I adhere to a motto of natural always being better. If cows eat grass normally and not be stuffed on a regimen of grains so we can enjoy more affordable, larger cuts of beef, then perhaps I simply eat less beef (so I can afford it) and when I do eat beef, I enjoy it knowing that I'm not pumping my body full of hormones.
Additional resources:
- http://farmingamerica.org/2013/04/18/wheres-the-beef-or-where-does-beef-come-from/
- http://eatlocalgrown.com/article/grass-fed-vs-feedlot-beef-difference.html
- http://thecattlecall.wordpress.com/
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