Acording to this ...
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A challenge, eh? OK, so the questions are: does my grass have endophytes, and is it safe for my tortoise?
Does your grass have endophytes? Probably. The thing is that the word 'endophyte' really does not mean much more than a form of parasite, usually a bacteria or fungus. Many endophytes are harmless, some are helpful and even have medicinal uses, and some produce toxins. Cattle that graze on the stuff that produces the alkaloid toxins get the 'livestock staggers'.
Even if your seeds or sod were not intentionally infected with a specific kind of endophyte (the fungi Acremonium coenophialum and A. lolii ), they could easily be infected with something else.
This seems to be a decent introduction to the stuff: http://www.uri.edu/ce/factsheets/sheets/endophyte.html
How do you know if your yard is infected? If you have used any drought or pest resistant fescue or ryegrass seed in the last several years, it is probably infected. The stuff cannot infect bluegrass or bentgrass.
However, your yard may still be infected with naturally occurring endophytes.
Alkaloids and tortoises: In general, tortoises seem to be resistant to alkaloids- Galapagos, Red-foots, and Russians are just a few of the species known to eat plants considered toxic die to the alkaloid levels, and the toxin is the by-product of a fungus- many tortoises and box turtles are known to eat fungi that are toxic to humans.
That is not a strong yes or no, I know. Another bit of evidence is that they have been doing this endophyte thing for years, and there have been few reports of any mysterious illnesses that might be traced to turfgrasses. If it WAS dangerous, I think we would have more solid evidence of it by now.
Sorry, guys. I wish I had a solid answer for you, but my best guess would be that it is probably OK, especially if the turfgrass is a rather small portion of the overall diet. To put it another way, I feel safe putting my herd of Red-foots on my mostly fescue, and reseeded in the last few years, yard.
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SOOOO... IS it SAFE for my SUlcata Tortoise to EAT or not?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
A challenge, eh? OK, so the questions are: does my grass have endophytes, and is it safe for my tortoise?
Does your grass have endophytes? Probably. The thing is that the word 'endophyte' really does not mean much more than a form of parasite, usually a bacteria or fungus. Many endophytes are harmless, some are helpful and even have medicinal uses, and some produce toxins. Cattle that graze on the stuff that produces the alkaloid toxins get the 'livestock staggers'.
Even if your seeds or sod were not intentionally infected with a specific kind of endophyte (the fungi Acremonium coenophialum and A. lolii ), they could easily be infected with something else.
This seems to be a decent introduction to the stuff: http://www.uri.edu/ce/factsheets/sheets/endophyte.html
How do you know if your yard is infected? If you have used any drought or pest resistant fescue or ryegrass seed in the last several years, it is probably infected. The stuff cannot infect bluegrass or bentgrass.
However, your yard may still be infected with naturally occurring endophytes.
Alkaloids and tortoises: In general, tortoises seem to be resistant to alkaloids- Galapagos, Red-foots, and Russians are just a few of the species known to eat plants considered toxic die to the alkaloid levels, and the toxin is the by-product of a fungus- many tortoises and box turtles are known to eat fungi that are toxic to humans.
That is not a strong yes or no, I know. Another bit of evidence is that they have been doing this endophyte thing for years, and there have been few reports of any mysterious illnesses that might be traced to turfgrasses. If it WAS dangerous, I think we would have more solid evidence of it by now.
Sorry, guys. I wish I had a solid answer for you, but my best guess would be that it is probably OK, especially if the turfgrass is a rather small portion of the overall diet. To put it another way, I feel safe putting my herd of Red-foots on my mostly fescue, and reseeded in the last few years, yard.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
SOOOO... IS it SAFE for my SUlcata Tortoise to EAT or not?