Summary

This document provides information on Crotalaria species, their photosensitization effects, clinical signs, and treatment methods focusing on animal health implications. It also discusses the toxic principle involved and the various clinical signs, such as acute and chronic conditions. The document covers diverse topics of veterinary science and plant species.

Full Transcript

2023/10/23 Skin and adnexa Skin and adnexa Photosensitization Stywesiekte Crotolaria burkeana Kaalsiekte Chrysocoma ciliata Stywesie...

2023/10/23 Skin and adnexa Skin and adnexa Photosensitization Stywesiekte Crotolaria burkeana Kaalsiekte Chrysocoma ciliata Stywesiekte Euphorbia spp. irritation Crotalaria burkeana Mechanical irritation Crotalaria spp. Crotalaria burkeana Crotalaria burkeana Crotalaria burkeana Crotalaria burkeana Fabaceae family 1 2023/10/23 Crotalaria burkeana Crotalaria burkeana Distribution Crotalaria burkeana Crotalaria burkeana Sporadic problems Toxic principle Most common in cattle Unknown but also donkeys, horses, sheep, goats and Plants do contain pyrrolizidine alkaloids game antelope Fresh plant material is ingested in the veld Causes an acute laminitis experimentally induced with C. barkae inflammation of the sensitive laminae of the claw/hoof Crotalaria burkeana Crotalaria burkeana Clinical signs Clinical signs Acute Claws/hooves warm to the touch, painful Chronic Affected stock walk with difficulty Hoof tissue is Lameness, all 4 feet affected stimulated and grows Front legs to the fore, hind legs tucked in under body out abnormally Frequently lies down Points of the claw Rises with difficulty become elongated Can’t get to grazing or water and turn up Loss in condition, drop in milk production 2 2023/10/23 Crotalaria burkeana Crotalaria burkeana Clinical signs Clinical signs Chronic Chronic condition stock walk with difficulty Recovery may take up to 15 months rattling sounds from the cattle walking in sandy soils or stabled elongated claws animals may also have elongated claws knocking on the ground and against each other The liver may also be affected common name "rattle- chronic seneciosis bush“ Crotalaria burkeana Crotalaria burkeana Treatment DD’s Acute Stiffness/Lameness Cold water, symptomatic, provide Fluorosis feed and water Ephemeral fever (Drie-dae-stywesiekte) Chronic Aphosphorosis (also stywesiekte) Cut/shape the claw High carbohydrates in rations coronitis and laminitis Geigeria spp. Crotalaria juncea Sunn hemp, Sunnhennep 3 2023/10/23 Crotalaria juncea Crotalaria juncea 4

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