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Weed control, management, ecology, and minutia
by Steven Fennimore
on October 28, 2019 at 6:58 AM
Are you sure they aren't heterozygoats for assorted manatee genes?
by Jose Martinez
on October 28, 2019 at 8:17 AM
Hello There,  
I have seen this kind of behavior, but with pennywort. I have some pictures if you want to see. I grew up with goats, and have seen how they just eat about any plants, and after seeing them eating pennywort I was curious about whether they would eat water hyacinth. My guess was not far-fetched. Thank you for sharing!  
Jose M. Martinez
by Theresa Becchetti
on October 28, 2019 at 9:21 AM
While goats and other animals may consume some water hyacinth, it is considered toxic by FDA and we shouldn't recommend it be feed in any great amounts. Research in the late 80's had sheep on just water hyacinth showing signs of malnutrition and dying as well as other health issues. Even sheep feed a supplement at same rate as control had health issues. Here is one reference: Babu, N. S.; Paliwal, O. P.; Charan, K.; Singh, K. P.; Parihar, N. S., 1988. Effects of water hyacinth feeding in sheep with special reference to renal lesion., Indian J Vet Pathol, 12(), 33-36 [English]. Other research projects saw similar effects.
by Guy B Kyser
on October 28, 2019 at 9:31 AM
This could be a complicated topic. Other studies suggest waterhyacinth is OK comprising up to 30% of feed for goats... but there is also a lot of discussion of heavy metal uptake by WH which would make this feeding less desirable.
by Linda Forbes
on October 28, 2019 at 11:42 AM
Once again I've learned something new and interesting from UC ANR experts. Thanks!
by Jimbo
on August 31, 2021 at 10:19 AM
As with most people that have a Koi Pond Can I feed the pond lettuce to my goats
by Guy B Kyser
on September 1, 2021 at 1:38 PM
Depends on what you mean by pond lettuce! If it's truly water lettuce (Pistia stratiotes), then it's not a good idea to feed it to goats because this plant stores calcium oxalate crystals in the leaves. I would get a solid plant ID from a farm advisor or university. Best of luck.
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