Toxic plants and other natural toxicants Book

	Preface
	Acknowledgments
	Abbreviations
	Dedication to Dr. Alan Seawright
	Regional and Epidemiological Issues
1	Recently Encountered Poisonous Plants of Rio Grande do Sul and Uruguay	1
2	Tribute to Dr. Wayne Binns (1911-1994)	6
3	Genesis to Genesis: A Historic Perspective of Plant Toxicology	9
4	Poisonous Plant Names	13
5	A Tribute to Dr. James W. Dollahite	17
6	Locoweed Research to Reduce Poisoning on Western U.S. Rangelands	19
7	Use of a Native Insect to Deter Grazing and Prevent Poisoning in Livestock	23
8	Estimating Lethal Dose of Larkspur for Cattle	29
9	Control Technology Selection for Poisonous Plants with the EXSEL Expert System	35
10	Management and Edaphic Factors Related with the Incidence of Marsh Ragwort	40
11	Management, Environmental and Livestock Interactions Impact on Perennial Ryegrass/Neotyphodium/Livestock Associations	45
12	Development of an Immunoassay for Corynetoxins	49
13	[[superscript 14]C]Senecionine Production in Senecio vulgaris Root Culture	55
	Cardiopulmonary System
14	Hematological Changes in Sheep with Experimentally Produced Acute and Chronic Lupinosis	62
15	Atypical Pneumonia Associated with Ryegrass Staggers in Calves	69
16	Dissimilatory Metabolism by Ruminal Microbes: Impact on Ruminant Toxicoses	73
17	Yew (Taxus spp.) Poisoning in Domestic Animals	78
18	Pasture Mediated Acute Bovine Pulmonary Emphysema and Edema in British Columbia	81
19	A Study of Persin, the Mammary Cell Necrosis Agent from Avocado (Persea americana), and its Furan Derivative in Lactating Mice	86
20	Bioassay-directed Isolation of Active Principle from Lavendula stoechas	91
21	Analysis of Gossypol in Whole Cottonseed and Rumen Fluid by HPLC	97
22	The Excretion of Minerals from Broilers Fed Tannic Acid, Polyethylene Glycol and Protein	101
23	Influence of Tannic Acid on Amino Acid Digestibility in Broilers	106
24	Effect of Polyethylene Glycol on the Chelation of Trace Elements by Tannins	111
25	The Use of Copper Boli for Cattle Grazing High-molybdenum Forage	115
26	A Newly Discovered Toxic Plant, Stemodia kingii, in Western Australia	120
27	Site and Sequence Selectivity of DNA Binding by Divalent Cadmium: Evidence for Inhibition of BPDE-induced DNA Lesions in the Major Groove but Not in the Biologically Relevant Minor Groove	125
28	Monitoring of Physiological and Pathological Changes in Turkey Poults Fed Leaves of Potentially Cardiomyotoxic Nerium oleander and Persea americana	131
29	Enzootic Geophagia and Hepatitis of Calves and the Possible Role of Manganese Poisoning	137
30	The Feeding of Lupin Grain Can Cause Rumen Acidosis and Rumenitis	143
31	Effects of Dietary Cottonseed Meal and Cottonseed Oil on Nutrient Digestibility and Rumen Protozoa	149
32	Detoxification Potential of a New Species of Ruminal Bacteria that Metabolize Nitrate and Naturally Occurring Nitrotoxins	154
	Diagnostic/Treatment Issues
33	Vitamin K1 Therapy of Ferula communis variety brevifolia Toxicosis in Sheep	159
34	Development of a Vaccine Against Annual Ryegrass Toxicity	165
35	Conditioned Food Aversions to Oxalic Acid in the Food Plants of Sheep and Goats	169
36	Fungi Microbiota and Oxalate Formation on Brachiaria brizantha and their Possible Toxic Effects on Calves Kept at Pasture without Supplementation of Calcium and Magnesium	174
37	Protective Effects of Cyclodextrins on Tunicaminyluracil Toxicity	179
38	Pyrrolizidine Alkaloid Detoxification by an Ovine Ruminal Consortium and its Use as a Ruminal Supplement in Cattle	185
39	A Comparison of a Nursling Rat Bioassay and an ELISA to Determine the Amount of Phomopsins in Lupin Stubbles	191
40	Towards a Commercial Vaccine Against Lupinosis	196
41	Long-term Effects of Acute or Chronic Poisoning by Tunicaminyluracil Toxins	201
42	Experimental Modification of Larkspur (Delphinium spp.) Toxicity	205
43	Treatment and Prevention of Livestock Poisoning: Where to from Here?	211
44	Toxicity and Diagnosis of Oleander (Nerium oleander) Poisoning in Livestock	215
45	Are there Toxic and Non-toxic Varieties of Eupatorium rugosum Houttuyn?	220
46	The Chemical Identification of Plant Toxins in Ingesta and Forage	223
47	Conditioned Food Aversion: A Management Tool to Prevent Livestock Poisoning	227
48	Development and Validation of a Multiresidue Alkaloid Screen	233
49	Tolerance in Cattle to Timber Milkvetch (Astragalus miser var. serotinus) due to Changes in Rumen Microbial Populations	239
50	Fourier Transform Infrared Spectroscopy for Rapid Analysis of Toxic Compounds in Larkspurs and Milkvetches	243
	Miscellaneous Topics
51	DNA Alkylation Properties of Dehydromonocrotaline: Sequence Selective N7 Guanine Alkylation and Heat and Alkali-resistant Multiple Crosslinks	249
52	Acute and Chronic Toxicity Induced by Activated Ptaquiloside in Rats: Comparison of Pathogenesis due to Oral and Intravenous Administrations	255
53	Immunotoxic Effects of Selenium in Mammals	260
54	In vivo and in vitro Effects of L-Canavanine and L-Canaline	267
55	The Isolation of a Hepatotoxic Compound from Eupatorium adenophorum (Spreng) and Some Preliminary Studies on its Mode of Action	271