Grazing Leases Explained

Grazing LeasesBuyers of ranch land in Montana are frequently interested in Federal, State, and Private grazing leases that accompany the property.

What is a grazing lease?

A grazing lease is an agreement in which a landowner allows a tenant (the person who leases from the landowner) to graze livestock on the landowner’s property. Typically, the tenant will pay the landowner some cash amount in exchange for the use of the land and the forage it provides. That cash amount can be determined in a variety of ways and may not be the same from one year to the next.

What is an AUM(Animal Unit Month)?

An AUM or Animal Unit Month is the amount of forage needed by an “animal unit” (AU) grazing for one month. The quantity of forage needed is based on the cow’s metabolic weight, and the animal unit is defined as one mature 1,000 pound cow and her suckling calf. For other livestock the AUM is defined as one horse, or five sheep or goats for a month. Animal Unit Month is a common measurement for determining grazing lease fees.

How much do grazing leases cost?

Grazing lease rates can be estimated in a variety of ways,
including:

  • Comparing the grazable forage resource with the rates that others are charging (i.e., market value approach)
  • Calculating anticipated income by comparing expected costs and returns (i.e., anticipated income approach)
  • Considering the cost of alternative feeds (i.e., alternative feed approach) or
  • A combination of these methods

Federal and State grazing fees are a contentious topic.

Federal and State grazing leases typically use an AUM or Animal Unit Month to determine the lease rates. Federal grazing fees from the Bureau of Land Management and U.S. Forest Service are typically lower than other federal agencies and state agencies. The Federal grazing fee for 2015 was $1.69 per AUM. Private land grazing fees vary but average about $20 per Animal Unit per Month with some areas of the country costing over $40 per AUM.

However, grazing on public land has additional operating costs like maintaining fences and water that can be expensive. On private land that infrastructure is usually included in the price. Grazing on public land may also include legal fees and costs of permit renewals associated with public lands.

Montana Grazing Leases

Montana Grazing Rates are determined by a formula which calculates the Animal Unit Month, previous year’s price per pound of beef cattle marketed in Montana, times a multiplier that is set by the Montana Land Board. The Land Board attempts to set the Montana grazing rate at 70% of the private lease rate in Montana.

The 2015 grazing rate for Montana was calculated as follows:

$1.4574/lb. x 9.89(multiplier) = $14.41 per Animal Unit Month

Grazing Leases for the state land in Montana have a 10 year term.


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