Feeding Ducklings Medicated Feed - The Myths and the Truth

By Pyxis · Feb 21, 2019 ·
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  1. Pyxis
    Feeding Ducklings Medicated Feed - The Myths and the Truth

    ducklings.JPG

    The Myth

    There is a rather pervasive myth about feeding ducklings and ducks floating around out there. You will see it posted on forums, maybe on signs in feed stores, and, unfortunately, perhaps even touted by some older veterinarians that don't really specialize in waterfowl. The myth is simple: medicated feed is harmful to ducks, and if you feed it to them, they will die.

    But, there are several things to think about with that statement. Firstly, what medication is being talked about? Just saying medicated feed in general isn't helpful - all kinds of medications are used in feeds. For example, oxytetracycline, bacitracin, amprolium, neomycin, sulfaquinoxaline, and more are all used in medicated feeds. So are all these medications toxic to ducklings?

    No, of course not. Some, such as oxytetracyline, are used on them regularly. Oxytetracycline, for example, is used to treat respiratory diseases in ducks and is totally safe for them.

    So if someone gives you a blanket statement that "medicated feed is toxic to ducklings", then they are misinformed, or aren't aware of all the different medications used in feed.

    Amprolium and Other Coccidiostats

    To start with, let's talk about the 'medication' found most often in medicated feed: Amprolium. When someone is referring to medicated feed, this is probably the type of feed they mean - feed meant for chicks that has medication in it to help prevent them from getting coccidiosis.

    Amprolium is not actually a medication at all - rather it is a thiamine blocker. It works by starving the coccidia of the thiamine they need, thus killing it off. This also means that the birds eating it are getting less thiamine too, but generally it doesn't affect them negatively.

    But is it safe for ducklings?

    Yes, it is. While waterfowl in general are not as prone to coccidiosis as chickens and therefore don't need to be fed feed with amprolium, they can eat it with no ill effects. So while I wouldn't recommend you feed it to them if you have other options, if you don't have other options, feeding them feed medicated with amprolium won't hurt them.

    In fact, amprolium is recommended to use on waterfowl in the rare cases when they do develop coccidiosis. At this link, you can see that amprolium is listed as a recommended treatment.

    Due to the widespread nature of this myth, a study was performed to see if amprolium and other coccidiostats were harmful to ducklings. The study, which I linked above, found that they were not harmful. "No significant differences in mean body weight, mortality, and anatomical development were observed among the treatments."

    Other Medications

    There are things other than coccidiostats that can added to feed, such as oxytetracyline, zinc bacitracin, etc. These are for control of things other than coccidiosis and are actual medications, unlike amprolium. What about these? Are these safe?

    In addition to the above study, Dave Holderread, of Holderread's Waterfowl Farm, who is a premier breeder of waterfowl in this country and produces thousands of ducklings a year, and is also the author of Storey's Guide to Raising Ducks, did his own testing. Along with testing for the safety of amprolium, he tested several other medications commonly found in medicated feeds, and these are his results:

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    He found that amprolium, along with chlortetracycline, neomycin, oxytetracycline, sulfaquinoxaline, and zinc bacitrin are all safe for ducklings.

    Metzer Farms did some research on the issue too. They are probably the largest hatchery dedicated to just waterfowl in the country. They enlisted the help of veterinarians Dr. Larry McDougal from the University of Georgia, and Dr. Alison Martin of The Livestock Conservancy. Here is link to what they found, but if you don't want to read it all, the conclusion they came to is that amprolium, sulfaquinoxaline, zoalene, and lasolocid, all of which are common coccidiostats found in medicated feed, are all safe for ducklings.

    Myth Origins

    So where did this myth that medicated feed is bad for ducklings come from? Well, some people will tell you that it's bad for them because ducklings eat more than chicks, so they consume more medicine and it kills them. This too is a myth. Sure, a week old duckling eats more than a week old chick - but it is also much bigger than a week old chick, so it's eating the same proportionally as a chick does.

    What actually used to happen is that feeds used to be medicated with arsenic-based medications for the control of coccidiosis, and waterfowl have a lower tolerance for arsenic than chickens, so some would die when fed these feeds. Arsenic-based medications are no longer used in feed today for the control of coccidiosis.

    There are some medications used in feed today that are toxic to ducklings, and those are ones that are used to control blackhead and are still arsenic-based, such as roxarsone and nitarsone. However, unless you are buying a feed specifically for turkeys, which you likely wouldn't be when buying feed for ducklings, then you're very unlikely to run into feed medicated with these drugs.

    So what's the bottom line?

    Medicated feed in general is safe for ducklings. If possible, buy a feed that is not medicated, because they do not need it, but if all you can find is a feed with amprolium or another coccidiostat mentioned above, then it's fine, you can use it. Avoid any feeds that contain medication for blackhead, and if you must use a medicated chick starter make sure you are also supplementing niacin since most chick feeds aren't going to have enough niacin in them for ducklings.

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Recent User Reviews

  1. ronott1
    "Excellent Article"
    5/5, 5 out of 5, reviewed Mar 8, 2019
    Good resource for feeding Ducklings
    Pyxis likes this.
  2. MROO
    "Excellent Info in Medicated feed for Ducklings"
    5/5, 5 out of 5, reviewed Feb 21, 2019
    This is a very helpful article. It not only gives useful, accurate information, but cites the study sources, as well. It's well written and easy-to-read - a real bonus in my opinion! And it doesn't hurt hat the duckling pic is absolutely aDORable! I may eventually have to give in to DD's request for a duck (or two or three or ...,) so this is very useful info to have. Thanks!
    Pyxis likes this.
  3. Anonymous
    "Very Informative"
    5/5, 5 out of 5, reviewed Feb 21, 2019
    casportpony and Pyxis like this.

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