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HomePasture HealthForageWhat Kinds of Forages Are Good in Grassfed Systems?

What Kinds of Forages Are Good in Grassfed Systems?

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This article comes to us from the Sustainable Agriculture Research and Education Program (SARE) and Jan Holder’s book, “How to Direct Market Your Beef.” Jan and her husband took over management of their family ranch in 1992. Their plan was to “whip the ranch into shape in a few months and then spend the next 20 years canning vegetables and writing the great American novel.” As you can guess, that’s not how it went.

The book shares how they turned “Ervin’s Grassfed Beef” into a profitable venture selling beef in 11 western states and farmers markets in their home state of Arizona. In this excerpt, Jan talks about forage and what they learned about marbling a steer on pasture.

All forage is not created equal. You can work to improve both the amount and quality of your feed. Each season, we work to improve our pasture, and a large part of that is managing how the forage is harvested.

You’ll want to put your brood cows on your poorest forage. Granted, they will do better on better forage, but to get the biggest bang for your buck, you’ll want to save your good forage for your high-value animals, those you are finishing. These animals are gaining in weight and quality, as opposed to your cow herd, which is depreciating and doesn’t get as much of a benefit out of good forage. Some intensive graziers even do a leader/follower system.

In beginning our grass-fed program, we didn’t worry too much about forages. We used all native forage that was already in the fields. In fact, some producers report raising great-tasting beef from native grasses, which also saves them money. However, our experience is leading us to believe there may be enough value in planted forages to warrant more research.

We are looking at finishing our animals with high-energy forage. Here is a list, ranked highest to lowest:

• brassicas
• legumes
• cool-season annuals
• perennial ryegrass
• warm-season annuals
• cool-season perennials
• alfalfa

Most of the grass-fed world (Argentina, New Zealand) concentrates on the top four. In taste tests in Alabama, California and England, ryegrass was found to produce a better tasting beef than grain. However, while fescue was almost universally disliked, it can be a useful piece of your system.

No one knows the minimum amount of time an animal has to be finished on high quality forage. There have been some figures thrown about ranging anywhere from 50 to 100 days, but no one really knows. Again, native grasses might prove an attractive, low-cost option.

One thing we do know comes from Dr. Dick Diven, of the Low Cost Cow/Calf Production School: When your steer reaches 60 percent of its mature body weight, it will be at a point in its development where it grows intramuscular fat (marbling) cells or connective tissue (gristle). If your steer is on an upward plane of nutrition (gaining weight), it will form marbling cells. If not, it will form connective tissue. This is one reason you can’t look at a fat steer ready for slaughter and predict if he’ll marble well. Unless you know how he was doing when he hit 60 percent of his mature weight, you can feed him all you want and he still won’t marble.

Dr. Diven also has a word of caution if you are using grain to supplement your grass program. Without going into the complex rumen chemistry, oil grains (like cotton seed or soy) will work more efficiently with the rumen, allowing the steer to eat more cheap grass. A starch grain (like corn) will work against the rumen in a grass-based program, making the rumen, in time, more dependent on bought grain for its nutritional needs.

What have you found about the best grasses for growing a great, well-marbled product? Share your ideas in the comments below.

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Kathy Voth
Kathy Vothhttps://onpasture.com
I am the founder, editor and publisher of On Pasture, now retired. My career spanned 40 years of finding creative solutions to problems, and sharing ideas with people that encouraged them to work together and try new things. From figuring out how to teach livestock to eat weeds, to teaching range management to high schoolers, outdoor ed graduation camping trips with fifty 6th graders at a time, building firebreaks with a 130-goat herd, developing the signs and interpretation for the Storm King Fourteen Memorial trail, receiving the Conservation Service Award for my work building the 150-mile mountain bike trail from Grand Junction, Colorado to Moab, Utah...well, the list is long so I'll stop with, I've had a great time and I'm very grateful.

3 COMMENTS

  1. We grass finish also using brassicas in Northern Nova Scotia overlooking the Northumberland Strait of the Gulf of St.Lawrence. By far the best fattening, what have become permanent pastures, some out of corn and grain fields over the last forty years, are predominantly a wild white clover and bluegrass,never seeded by me in 44 years of farming it with cattle and grassland husbandry. They also contain Timothy and many other medicinal weeds such as yarrow, plantain and dandelion. Read somewhere many years ago that the white clover gives 70% volume of Timothy with 130% of gain with annual ryegrass the opposite. It is about right in my experience. Working with nature and compensatory gain from outwintering we get 3.5lb gain average in 150 days of best grazing.

  2. We farm in the wet side of Washington state and run our entire herd together on a strip grazing program in fields planted to Orchard grass, alfalfa and a bit of red clover. Our British cross breeds gain very well without any grain and regularly yield 800+ carcass weights at 24 months. Marbling is very good, as good as any grass fed beef I’ve seen. They are always “on the gain” year round.

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