Aboutgoatlady Expertise Specializing in New Goat Owner understanding of goat physiology, goat anatomy, goat care and herd management. *I am not a veterinarian, any advice and information should be verified by your veterinarian before administering to your goats.
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Experience 17 years experience of raising goats and herd management. Active hands on experience with goat herd and research with various Caprine University Research and Extension Centers nationwide. 15 years dedicated to helping other goat breeders/owners with goat anatomy, goat disease and goat health care issues via phone, published goat care articles and internet interaction.
Organizations 5 year active member of International Veterinary Information Service
Publications United Caprine News, Homesteaders Magazine, Columnist for Goat Magazine, Owner and Author of GoatPedia™
Education/Credentials Graduate Programs in Medicine, Department of Microbiology and Immunology, Stanford University
Expert: goatlady Date: 7/12/2008 Subject: Chicken feed effect on goats...
Question Pretty new to raising goats. A few of them pushed their way under the hen house and when I found them, they had eaten most of the feed that generally lies there at the end of each week. It's corn based feed that was also covered in hen droppings. What are the possible effects of them ingesting this and what course of action should I take at this point?
Answer Hi Karl,
How much feed are we talking about here and between how many goats?
How are the goats acting? if they are acting normally and seem to be none the worst for it, and they didn't consume much - I wouldn't worry too much about it- chickens can carry coccidiosis though and you may watch for runny butts (scours is what it is technically called with goats) - Are any of the goats acing sick, acting blind or acting drunk?
If not then this is good. You will need to get some vitB complex that is called Fortified VitaminB complex- because this has enough thiamine in it to help with these symptoms- these symptoms are signs of what is called goat polio.
Goat Polio (Polioencephalomalacia) is a metabolic disease with symptoms that often mimic or overlap those of the brain-stem disease Listeriosis (Listeria monocytogenes). In most cases, both of these diseases are seen in goats raised under intensive management conditions. Improper feeding, particularly feeding too much grain and too little roughage (hay and forage) is a significant factor in both diseases. Producers pushing the animal to gain weight too fast can induce these potentially fatal diseases in their goats. Sudden changes in feed can also cause the onset of these diseases.
Polioencephalomalacia (also known as Cerebrocortical Necrosis) is basically thiamine (Vitamin B 1) deficiency. Any change in the rumen's environment that suppresses normal bacterial activity can interfere with thiamine production. Too much grain decreases the pH of the rumen, predisposing the animal to Goat Polio. Glucose cannot be metabolized without thiamine. If thiamine is either not present or exists in an altered form (thiaminase), then brain cells die and severe neurological symptoms appear.
Causes of thiamine deficiency include feeding moldy hay or grain, using amprollium which is a thiamine inhibitor (brand name CoRid) when treating coccodiosis, feeding molasses-based grains which are prone to mold (horse & mule feeds), eating some species of ferns, sudden changes in diet, the dietary stress of weaning, and reactions to the de-wormers thiabendazole and levamisole. Each of these conditions can suppress Vitamin B1 production. The usage of antibiotics destroys flora in the rumen and can cause thiamine deficiency. It is important to repopulate the gut with live bacteria after using antibiotics or diarrhea (scour) medications.
Goat Polio generally occurs in weanlings and very young goats, while Listeriosis most frequently affects adult goats. An increase in Goat Polio occurs in North America during winter when the availability of forage and quality hay is low and producers start feeding increased amounts of grain or expect goats to survive on very poor pasture.
Symptoms of Polioencephalomalacia can be any combination of or all of the following: excitability, "stargazing," uncoordinated staggering and/or weaving (ataxia), circling, diarrhea, muscle tremors, and blindness. Initial symptoms can look like Entertoxemia (overeating disease). There is a component of "overeating" involved in that the rumen flora has been compromised. As the disease progresses, convulsions and high fever occur, and if untreated, the goat generally dies within 24-72 hours. Diagnosis is available via laboratory tests, but the producer does not have the luxury of the time that such tests take.
Thiamine is the only effective therapy, and treatment can result in improvement within a few hours if the disease is caught early enough. Thiamine is an inexpensive veterinary prescription. Producers should always keep thiamine on hand; the most commonly available strength is 100 mg/ml. Dosage is based on the goat's weight (4-1/2 cc per 100 pounds live weight for 100 mg/ml thiamine) and must be given every six hours on a 24-hour cycle until all symptoms have disappeared completely to avoid relapse. Thiamine, like all B vitamins, is water soluble, so the goat eliminates daily what it doesn't utilize in the rumen. A sick goat's rumen doesn't produce B vitamins, hence the importance of adding them to the goat each day until it gets well. Initially thiamine should be given IM (into the muscle) but can be given SQ (subcutaneously) or even orally after several days of treatment. Some thiamine comes in 500 mg/ml strength, making the required dosage 1 cc per 100 pounds bodyweight. If thiamine is unavailable but the producer has injectable multiple B vitamins, check the label for how much thiamine (Vitamin B1) is present. Fortified Vitamin B Complex contains 100 mg/ml of thiamine, so the 4-1/2 cc per 100 pounds bodyweight dosage is appropriate. Injectable multiple B vitamins containing only 25mg/ml of thiamine require four times the 100mg/ml dosage (18-1/2 cc) per 100 pounds bodyweight, so the producer can quickly see the importance of obtaining the proper strength of injectable B vitamins. The key to overcoming Goat Polio is early diagnosis and treatment. Complete recovery is possible under such circumstances.
Since symptoms of Goat Polio can easily look like Listeriosis, this writer recommends that procaine penicillin also be used. Better to cover both possible illnesses with appropriate treatments when symptoms are so similar than risk the goat's dying. Administer high doses of procaine penicillin (300,000 International Unit strength) every six hours on a 24-hour basis until all symptoms have disappeared and another 24 hours have passed. Higher-than-normal dosage of procaine penicillin is needed to cross the blood brain barrier to put sufficient amounts of the antibiotic into the tissue of the goat's central nervous system. A chart of dosage by bodyweight accompanies this article. Give this medication SQ over the ribs with an 18 gauge needle so that the goat doesn't become a pin cushion of holes from repeated injections. Very Important: Continue all treatment until 24 hours *after* the last symptom has disappeared to avoid a relapse.
