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Related Experiment Videos

Folate deficiency in chicks fed diets containing practical ingredients.

G M Pesti1, G N Rowland, K S Ryu

  • 1Department of Poultry Science, University of Georgia, Athens 30602.

Poultry Science
|March 1, 1991
PubMed
Summary

Folic acid deficiency can be induced in young chicks using practical diets. Supplementation with folic acid, choline, or methionine improved growth, indicating their importance in chick nutrition.

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Area of Science:

  • Animal Nutrition
  • Nutritional Biochemistry
  • Avian Physiology

Background:

  • Folate is essential for numerous metabolic processes in poultry.
  • Understanding folate requirements in young chicks is crucial for optimal growth and health.
  • Practical feed ingredients may influence folate availability and deficiency development.

Purpose of the Study:

  • To evaluate the development of folate deficiency in young chicks fed practical diets.
  • To determine the effects of dietary supplements on growth, feed efficiency, and blood parameters.
  • To establish whether purified diets or high antibiotic levels are necessary for inducing deficiency.

Main Methods:

  • Young chicks were fed basal diets composed primarily of corn and soybean meal.

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  • Dietary supplements included folic acid, choline chloride, DL-methionine, and vitamin B12.
  • Growth, feed efficiency, relative liver size, and plasma hemoglobin were measured.

    • Main Results:

    • Folic acid deficiency was successfully induced, evidenced by retarded growth and feed efficiency.
    • Growth was enhanced by supplements of folic acid, choline chloride, or DL-methionine.
    • Plasma hemoglobin levels decreased in chicks fed folic acid or methionine and choline supplemented diets.
    • Relative liver size was affected by methionine and choline, and in one instance, by folic acid.

    Conclusions:

    • Folic acid deficiency can be reliably produced in young chicks using practical ingredient-based diets.
    • Low levels of methionine and choline in the basal diet facilitate the development of deficiency.
    • Supplementation with specific nutrients can mitigate the effects of folate deficiency in poultry.