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GOATS NEED HIGH QUALITY HAY & FORAGE The belief that goats can live off anything remains widespread, both by the general public and within in the livestock industry. It is one of the major reasons why so many people have such a difficult time raising goats successfully. The belief that goats can eat everything and survive on anything more accurately applies to cattle. A goat must have high quality hay and forage. Rumen passage rates directly affect what the goat can digest to obtain nutrition. Goats, like the deer with which I often compare them, have very fast rumen passage rates, which great affects what goats can and cannot eat. Cattle have extremely slow rumen passage rates that allow them to eat and digest coarse and dormant plant materials. The goat rumen passage rate is about 11 hours. Cattle take up to three (3) days to digest their food. Because of their fast rumen passage rate, goats have less time to break down complex compounds. They need to consume plants that can be processed more rapidly by rumen micro-organisms. Goat raisers tend to focus on percentage of protein, but energy and especially fiber are important. Goats instinctively know to focus on the fiber content of forages that they select to eat. The more easily digestible plants require less energy from the micro-organisms to break down the complex compounds, leaving more energy for the goat to use for its body's requirements for maintenance and growth. Acid Detergent Fiber (ADF) is a measurement used in analyzing forages. The ADF number represents an estimation of the digestibility of plant materials. Goat raisers are primarily concerned with Acid Detergent Fiber's measurement of an indigestible fiber called lignin. Lignin is the material that gives plants the structural ability to stand upright to receive sunlight for growth. We refer to these plants and grasses as stemmy and coarse. Taller and older plants are less digestible and are lower in energy. This is why you should mow your pastures to a height that will stimulate new growth. An additional benefit of a low Acid Detergent Fiber measurement is that the plant material is usually higher in energy (calories). Tall mature pastures are not quality forage for goats. A high ADF measurement means that the plant material has a lot of indigestible material in it. For goats, an Acid Detergent Fiber measurement of 39 or higher is too high for them to digest. Because of the goat's fast rumen passage rate, there isn't enough time to process nutrients from coarse, fibrous, and dormant plant materials. Because cattle take much longer to pass plant materials, their rumens have extra time to break down the complex plant compounds into useable nutrition. Another nutritional measurement that is critical to goats is NON-FIBROUS CARBOHYDRATES (NFC). A high Non-Fibrous Carbohydrate value means that the plant materials have good levels of starch, simple sugars, and soluble fiber. High NFC numbers also indicate that the plants have higher amounts of cell contents which are more readily digestible than the fibrous cell walls, plus they also provide many vital nutrients and energy (calories). Hay testing is critical and inexpensive. I use Dairy One Forage Lab in New York. Call 1-800-344-2697 and request their kit that includes a quart ziplock bag for hay sample and a pre-paid mailer. Follow the instructions and put in your outgoing mail. Current total cost of "Package 325 testing" is $23.00 (August 2020). If you are testing native or improved pastures (which by definition have multiple species of plants), then call and ask if a different test is more appropriate to provide the information you need. Turnaround is about one week. They will even call you with the results. You can't beat the service or the price. My thanks to Kent Mills, goat nutritionist, Hi Pro Feeds, Texas, for his assistance with and review of this article for accuracy. Kent has been my goat nutritionist for over 20 years and teaches Goat Nutrition at GoatCamp™ every year. Suzanne W. Gasparotto, ONION CREEK RANCH, Texas 8.1.20 |
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Important! Please Read This Notice! All information provided in these articles is based either on personal experience or information provided by others whose treatments and practices have been discussed fully with a vet for accuracy and effectiveness before passing them on to readers. In all cases, it is your responsibility to obtain veterinary services and advice before using any of the information provided in these articles. Suzanne Gasparotto is not a veterinarian.Neither tennesseemeatgoats.com nor any of the contributors to this website will be held responsible for the use of any information contained herein. |
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The author, Suzanne Gasparotto, hereby grants to local goat publications and club newsletters, permission to reprint articles published on the Onion Creek Ranch website under these conditions: THE ARTICLE MUST BE REPRODUCED IN ITS ENTIRETY AND THE AUTHOR'S NAME, ADDRESS, AND CONTACT INFORMATION MUST BE INCLUDED AT THE BEGINNING OF THE REPRINT. We would appreciate notification from any clubs or publications when the articles are used. (A copy of the newsletter or publication would also be a welcome addition to our growing library of goat related information!) |
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