While the analysis is favorable to grass-fed beef, it’s not clear whether the nutritional differences in the two types of meat have any meaningful impact on human health.
For instance, the levels of healthful omega-3s are still far lower than those found in fatty fish like salmon. And as the study authors note, consumers of grain-fed beef can increase their levels of healthful CLAs by eating slightly fattier cuts.
Grass-fed beef has a distinctly different and “grassy” flavor compared with feed-lot beef and also costs more. (at $26 a pound, cost is about three times more.)
Today all cattle are typically raised on grass in the early months of their lives. But in the 1950s, cattle raisers hoping to cut costs and improve efficiency of beef production began to ship the animals to feed lots, where they could be fattened more quickly on inexpensive and high-calorie grains. Grain feeding also increased intramuscular fat in the animals. The result was a marbling effect that made meat more flavorful and tender but also raised fat and cholesterol levels.
Labels on grass-fed beef can be misleading, and some meat carrying a “grass-fed” label was still “finished” on grains at a feed lot.
This being said, just one more thing that most persons don't consider or EVEN KNOW about cattle:
When a cow gets into a field (if you watch them), they will eat the tops off the grasses and continue to wander around looking for more tops but also eating the stems and other parts. That means that they are eating the "grains" off the grasses. Corn is an oversized "grain" off of a grass that we eat on what is called "cobs" and sometimes off the cob. The cow tends to eat the entire plant for the most part while we consume only the grain. Cows like that grain too, but they also like the taste of the rest of the plant.
"Grass fed" generally means that the
animal has not been put in a feedlot and raised on a predetermined diet which
often includes corn, barley and other grains in abundance. "Grass
fed" often means that the animal has eaten his or her choice of the food
available. If it is corn stalks, then they are "grass-fed." If it is
barley, "grass fed" is what they are. If it is pasture, they are
still grass-fed. But also realize that, if it is a chemically sprayed field, it
is still "grass-fed."
If you purchase a half or whole beef, find out what
kinds of grasses they were fed. Find out what you want to know i.e. natural,
organic, free fed, or grain fed. Each farmer/rancher has a different
methodology, but every single one of them are feeding some form of grass to every
animal every day.
There are many hundreds of thousands of Holstein
calves born each year that are males. The females are used for milk. The males
are grown to be put in a feedlot. They are about 10% of the beef in the
supermarkets. There are many breeds of cattle born in the US each year that are
used for beef. As you might suppose, different breeds have different tenderness
(cut-ability), different taste (often dependent on the type of feed), and
different marbling (which adds to taste). The marbling of the beef is what adds
the most to taste if it is fed the correct "grasses" or grains
harvested from the "grasses."
Waygu marble the best, but they don't produce as
much meat, and the tenderness is so great that the steaks can seem
"mushy." But remember, the food they eat creates the taste of the
beef. If they eat trash, the meat will taste very bad. The reason that many
ranchers add Angus to their herds is that Angus beef has some of the highest
marbling with the some of the best growth, some of the best tenderness, and
some of the highest meat to bone ratio meaning you get more food i.e. it is a
high quality, all purpose animal. Angus mothers are also considered some of the
best which is a necessity in order to raise live calves to weaning.
All beef that comes to the supermarket is grass
fed. Beef cannot be fed a strictly corn (or any grain) diet and live without
serious health issues that will kill them without medication to keep them
alive--not a profitable plan. It is the type of grass, the type of water, the
type of animal and the type of husbandry that makes the difference in taste. So
"grass-fed" can be great if fed the right grass with the grain heads
on it (such as barley or corn) or it can be horrible when fed rice straw and
pasture grass only.
Once again, whatever it is, you get what you pay
for. Good beef is built from the breeding up to the harvest--every step of the
way counts for good quality and good tasting meat.
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