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62. Autumn Ill thrift in grazing ruminants. Part Two - Animal Health issues
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This is the second in a two part series all to do with Autumn Ill thrift in grazing ruminants. Part one (Episode 61) explored some of the nutritionally-based reasons that may contribute to animals appearing ‘ill thrifty’ when pasture quality shifts from standing, poor quality summer pasture to very high quality, lush autumn green feed.
The potential for animal-health related challenges to contribute to autumn ill thrift issues is covered in this, our latest episode. First up, the role for internal parasites to cause autumn ill thrift issues is briefly discussed (but acknowledging the excellent resources for managing internal parasites can be found here with NZs very own Wormwise programme here https://beeflambnz.com/wormwise ). Other topics tackled in this podcast include the role for ‘facial eczema’ (sporidesmin toxicity), endophyte alkaloids found in ryegrasses that contain standard (but not novel) endophytes, growth of Fusarium spp. on autumn pasture thatch, and trace mineral deficiencies. Last but not least, we cover the potential for sub-clinical effects of high levels of nitrate in autumn pastures (and crops) to reduce feed intake and therefore animal productivity. This nitrate topic builds on a previous discussion of nitrate toxicity covered in one of our earlier Rumen Room podcasts, Episode 5.
As always, animal health topics discussed in this podcast are of a general nature only, and information provided is not intended to replace the advice of your own veterinarian and/or qualified nutritionist.
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