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Meat Labeling Terms – What do They Mean? Part 1: Grass-fed and Grain-fed

February 14, 2014
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Meat is a nutrient dense food product. Specifically, beef is a good source of protein, zinc, B vitamins, iron, and other essential nutrients.  
 
 

By: Lindsay Chichester, UNL Extension Educator

This is Part 1 of a three part series what will provide information on meat labeling terms.

Meat is a nutrient dense food product. Specifically, beef is a good source of protein, zinc, B vitamins, iron, and other essential nutrients!

How many times have you been grocery shopping or watching your favorite television program and you see and/or hear that organic is better? Grain-fed tastes better? Grass-fed is healthier? It can be confusing, overwhelming, and frustrating – who do you trust? Below I will provide you with the facts and truth, as well as resources to do some homework of your own.

Grass-fed:
Grass-fed meat means that the animal should only consume grass and forages for its lifetime with the exception of milk consumed prior to weaning. Acceptable feeds include: grass (annual and perennial), forbs (e.g., legumes, Brassica), browse, cereal grain crops in the vegetative (pre-grain) state, hay, haylage, baleage, silage, crop residue without grain, and other roughage sources are considered suitable feed sources. Mineral and vitamin supplementation may also be included in the routine feeding regimen. Animals CANNOT be fed grain or grain byproducts and must have continuous access to pasture during the growing season. Depending on the producer, there are some variations to grass-fed. They are: finished on grass only, grown on grass then finished in dry lot, and feed high roughage ration in feedlot.

While it is common practice for producers of grass-fed meat to not give their animals additional hormones or antibiotics, there is no governing body to regulate this. If you want to purchase meat from animals that have not received growth hormones, antibiotics, or that have consumed forages where pesticides were not used, make sure you purchase your meat from a producer or retailer that you trust to provide meat that meets your requirements.

Grass-fed beef is perceived to be healthier than conventionally (grain-fed) beef. Some health claims that can be made for grass-fed meat (specifically beef in this case) include:

1. Some steak from grass-fed beef can be labeled as "lower in fat" than steak from conventionally (grain-fed) raised beef.

2. Steak from grass-fed cattle can carry the health claim that foods low in total fat may reduce risk of cancer.

3. Steak and ground beef can be labeled "lean" or "extra lean".

4. Steak and ground beef from grass-fed cattle can carry the health claim that foods containing omega-3 fatty acids may reduce risk of heart disease.

Other health claims indicate that grass-fed beef is higher in CLA (Conjugated Linoleic Acid) and milk from pasture raised cows is higher in CLA and ALA (Alpha-Linoleic Acid). Concerning fatty acids, grass-fed beef has 4% omega-3, 6% omega-6 minus CLA, and 3% CLA. Comparatively, grain-fed beef has 1% omega-3, 7% omega-6 minus CLA, and 1 CLA, respectively. Interestingly, CLA is found naturally in meat and milk products of all animals – regardless of their feeding situation.

There are some limitations to grass-fed beef which include:
1. Increased production time – it takes twice as long for a grass-fed animal to be market ready. Grass-fed beef takes two to three years to finish, while conventionally (grain-fed) produced beef takes approximately 14 months.

2. Increased cost of production. Since it takes twice as long to reach an ideal harvest weight, it can cost twice as much to raise the animal.

3. Grass-fed animals produce more greenhouse gases because they grow more slowly, and are eating roughages for a longer period. Less time on feed equals less emissions. Grass-fed creates more methane (high fiber diets are harder to digest).

4. The seasonality of forage resources can be a challenge for producers.

5. Grass-fed beef has a darker muscle color, which generally means less customer appeal. Also, the flavor of the meat will change as the forages change; a grass-fed flavor may be detected.

6. Meat from grass-fed animals may be less tender, thus it will require more aging to help break down connective tissues.

Grass-fed beef is generally leaner, lower in fat, and has more omega-3 fatty acids. Beef should not be considered as a significant source of omega-3 fatty acids; fish (such as salmon, tuna, halibut, krill), algae, canola or soybean oil, some plants, walnuts, or ground flaxseed would be great options. Being leaner and lower in fat, grass-fed beef oftentimes sacrifices tenderness, juiciness, and flavor due to a decrease in marbling (the intramuscular fat) and an increase in connective tissue. It is important to prepare cuts of meat from grass-fed animals with moisture (or wet cooking methods); a dry heat cookery method may make the eating experience less desirable.

Just because meat is grass-fed does not mean it is produced in accordance to organic or all-natural standards. Meat can be labeled as certified organic grass-fed, and this would mean the forages that the animal consumed met all organic certifications. Meat can also be labeled as all-natural grass-fed, and this would mean that the animal was grass-fed and there was no further processing of the meat during processing, but the forages consumed would not be considered organic. Finally, meat can be labeled grass-fed, organic, and all-natural – this would mean the animal has eaten certified organic forages for the duration of its life and that no further processing of the meat was done during processing. It should be mentioned that the more time and effort invested into growing a meat animal, the more the meat product may cost.

Conventional/grain-fed:
Conventional or grain-fed is how the majority of meat animals are raised in the U.S. Conventionally raised meat means the animal receives grain through a balanced diet for a certain time period before it is harvested. Grain aids in helping the animal grow more quickly. It also increases the marbling (intramuscular fat), improving meat quality by making the meat flavorful, juicy, and tender. U.S. consumers not only prefer and consume grain-fed beef, but it is also exported to other countries.

Cattle raised in a feedlot are more efficient, offsetting the greenhouse impact of additional transport and feed production needed. Efficient weight gain offsets higher carbon footprint, and better digestibility of grains means less methane production.

When it comes to carcass quality, grain-fed cattle have a brighter, more cherry-red appearing meat product; larger Rib Eye Area (REA); higher kidney, pelvic, heart (KPH) fat percentages (internal fat around the kidneys, in the pelvic region, and around the heart); higher (hot carcass weight) HCW; and more fat thickness over the ribs. More fat on the carcass and larger carcasses means that the carcass cools more slowly. When a carcass cools slowly there is less cold shortening (shrinking of muscle fibers; short muscle fibers mean the meat is less tender); which attributes to increased tenderness. Grass-fed carcasses can have a problem with cold shortening due to the fact the carcass is usually lighter in weight and there is very little fat.

Research also indicates that grain-fed beef is more tender (as determined by the Warner-Bratzler Shear Force test and sensory panels), is juicier from the increased marbling (intramuscular fat), and is overall more desirable.

Grain-fed beef can be labeled organic, as long as the grains and forages the animal consumes are certified organic. Grain-fed beef can also be labeled as all-natural, since there was no further processing of the meat during processing to be all-natural. Grain-fed beef can also be labeled as organic and all-natural – this would mean the animal has eaten certified organic grains and forages for the duration of its life and that no further processing of the meat was done during processing.

Part 2 of this three part series will be in the March BeefWatch newsletter and will cover Organic, All-natural, and Naturally raised.

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