Feather Abnormality in Poults Fed a Diet Deficient in Vitamin E and Selenium
| Autor: | W. C. Supplee |
|---|---|
| Rok vydání: | 1966 |
| Předmět: |
medicine.medical_specialty
animal structures Three or Four Days medicine.medical_treatment Biology Selenium chemistry.chemical_compound Animal science Internal medicine medicine Animals Vitamin E Vitamin E Deficiency Gizzard Poultry Diseases General Medicine Ascorbic acid Animal Feed Flight feather Diet Endocrinology chemistry Feather visual_art visual_art.visual_art_medium Animal Science and Zoology Vitamin E deficiency alpha-Tocopherol |
| Zdroj: | Poultry Science. 45:852-854 |
| ISSN: | 0032-5791 |
| DOI: | 10.3382/ps.0450852 |
| Popis: | In recent tests in our laboratory, Maryland Medium White poults fed to three or four weeks of age on a vitamin E and selenium-deficient Torula yeast diet (Table 1) consistently developed a high incidence of gizzard dystrophy, the definitive sign of vitamin E deficiency in turkeys (Jungherr and Pappenheimer, 1937). It was also found that by the end of the third week the calami (quills) of the flight feathers of virtually all these poults had become more or less discolored and atrophied (Fig. 1). This condition was usually first seen in one or two secondaries, with all, or most, of both primaries and secondaries becoming affected within three or four days. Occasionally, however, it would appear in several feathers and either fail to develop further, or regress, leaving permanent brownish imperfections on the rachises. In a few instances, feathers plucked from the tail and breast were found to be similarly … |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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