A Guide to Plants Poisonous to Horses

A Guide to Plants Poisonous to Horses

by Keith Allison

Paperback(Second edition)

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The current move away from the extensive use of agricultural chemicals and the employment of more traditional methods of farming means that the number of different plant species is on the increase. Along with the nutritional benefits that this brings, there is also a risk that many potentially poisonous species of wild plants may return in greater number, together with those which, although not outright poisons in themselves, may be toxic to some degree. Most horse owners are aware of and can identify plants which are the most common cause of poisoning such as ragwort, yew, laburnum and bracken, but other dangerous species such as cowbane or hemlock are not usually referred to except in specialist literature. This book lists over 50 plants which are commonly regarded as being poisonous in their own right. An illustration and profile of each is given, together with its prevalence, poisonous principle and symptoms.

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Product Details

ISBN-13: 9780851319582
Publisher: Trafalgar Square
Publication date: 11/01/2011
Edition description: Second edition
Pages: 95
Product dimensions: 5.40(w) x 8.40(h) x 0.30(d)

About the Author

Keith Allison is a graduate of the University of Exeter, UK, and a research fellow at the Veterinary Epidemiology and Economics Research Unit (VEERU), University of Reading.

Table of Contents


Preface to revised edition 6

Author's note 7

Acknowledgements 7

Introduction 8

Plant chemistry 11

Toxicology 12

Plant Directory

Alder buckthorn (Frangula alnus) 20

Black bryony (Tamus communis) 21

Black nightshade (Solanum nigrum) 23

Box (Buxus sempervirens) 24

Bracken (Pteridium aquilinum) 25

Broom (Cytisus scoparius) 26

Buckthorn (Rhamnus cathartica) 27

Buckwheat (Fagopyrum esculentum) 28

Buttercup (Ranunculus acris) 29

Celandine (Chelidonium majus/Ranunculus ficaria) 30

Charlock (Sinapis arvensis) 32

Chickweed (Stellaria media) 33

Clover (Trifolium spp.) 34

Columbine (Aquilegia vulgaris) 35

Corncockle (Agrostemma githago) 36

Cowbane (Cicuta virosa) 37

Cuckoo pint (Arum maculatum) 39

Deadly nightshade (Atropa belladonna) 40

Foxglove (Digitalis purpurea) 42

Ground ivy (Glechoma hederacea) 44

Hellebore (Helleborus spp.) 45

Hemlock (Conium maculatum) 47

Hemlock water-dropwott (Oenanthe crocata) 48

Henbane (Hyoscyamus niger) 49

Herb Paris (Paris quadrifolia) 50

Horse radish (Armoracia rusticana) 51

Horsetail (Equisetum spp.) 53

Iris (Iris pseudacorus/foetidissima) 54

Laburnum (Laburnum anagyroides) 56

Larkspur (Consolida ajacis) 57

Lily of the valley (Convallaria majalis) 58

Linseed (Linum usitatissimum) 59

Lupin (Lupinus spp.) 60

Marsh marigold (Caltha palustris) 61

Meadow saffron (Colchicum autumnale) 62

Melilot (Melilotus spp.) 65

Mercury (Mercurialis spp.) 66

Monk's hood (Aconitum napellus) 68

Oak (Quercus spp.) 69

Pimpernel (Anagallis arvensis) 70

Poppy (Papaver somniferum) 71

Potato (Solanum tuberosum) 72

Privet (Ligustrum spp.) 74

Ragwort (Senecio jacobaea) 75

Rhododendron (Rhododendron ponticum) 76

Rush (Juncus spp.) 78

St John's wort (Hypericum perforatum) 79

Sorrel (Rumex spp.) 81

Spurge (Euphorbia spp.) 82

Thorn apple (Datura stramonium) 83

White bryony (Bryonia dioica) 84

Woody nightshade (Solanum dulcamara) 87

Yew (Taxus baccata) 88

Bibliography 91

Index 92

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