Michael Gamroth

Dairy Specialist, Emeritus Appointment

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Content by Michael Gamroth

Phosphorus on the farm from feed grains and by-products

Phosphorus is an important plant nutrient for growing dairy forages. Unfortunately, many dairies have more phosphorus excreted and stored in manure than they can use during a crop year. Soils have the ability to store moderate over-applications of phosphorus for future crop production, but continued over-application can lead to losses of phosphorus to surface water.

By Troy Downing, Michael Gamroth, | Fact Sheet

Estimated value of cranberries as a livestock feed

Value analysis of cranberries as a livestock feed in the U.S.

By Amy Peters, Michael Gamroth, Art Poole | Article

Disposal of animal mortality and byproducts

For many Oregon livestock owners struggling with the disposal of animal mortality and byproducts, rendering is not a viable option. Alternatives include natural disposal, burying, landfills, incineration, and composting. Learn the advantages and disadvantages of each method, and the laws that govern the process.

By Michael Gamroth, | Article

Animal Burial Services

I'm contemplating ways of diversifying my ranch operation to remain viable and would like to find out more about providing animal burial services on my ranch land. Where can I find more info about Oregon laws related to this type of business activity? I am considering both large and small animal...

By Michael Gamroth, | Featured Question

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