The Ecology And Economic Impact Of Poisonous Plants On Livestock Production

Preface -- Introduction -- Economic Considerations of Poisonous Plants on Livestock -- The Economic Impact of Poisonous Plants on Land Values and Grazing Privileges -- Ecological Status of Poisonous Plants on Rangelands -- Ecology, Mangagement and Poisonous Properties Associated with Perennial Snakeweeds -- Economic Impacts of Perennial Snakeweed Infestations -- Cattle Abortion from Ponderosa Pine Needles: Ecological and Range Management Considerations -- Ponderosa Pine: Economic Impact -- Ecological Considerations of the Larkspurs -- Larkspur: Economic Considerations -- Ecology and Toxicology of Bitterweed (Hymenoxys odorata) -- Impact of Bitterweed on the Economics of Sheep Production in the Texas Edwards Plateau -- Astragalus and Related Genera—Ecological Considerations -- Locoweeds: Assessment of the Problem on Western U.S. Rangelands -- Ecology and Toxicology of Senecio Species with Special Reference to Senecio jacobaea and Senecio longilobus -- Toxicity Problems Associated with the Grazing of Oak in Intermountain and Southwestern U.S.A. -- The Hemlocks: Poison-hemlock (Conium maculatum) and Waterhemlock (Cicuta spp.) -- Rain Lily (Cooperia Pedunculata) Caused Photosensitization in Cattle and Deer in Texas -- Nitrate Intoxication of Ruminant Livestock -- Oxalate Poisoning -- Ecological Aspects of Selenosis on Rangelands -- Some Other Major Poisonous Plants of the Western United States -- Noxious Weeds That Are Poisonous -- The Importance of Diagnosing Poisoning from Plants -- Use of Plant Toxin Information in Management Decisions -- The Importance of Poisonous Plants as Forages in the Prairies and Southwest -- The Importance of Poisonous Plants as Forages in the Intermountain Region -- Management to Reduce Livestock Loss from Poisonous Plants -- Toward Understanding the Behavioral Responses of Livestock to Poisonous Plants