J. Anim Sci.
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

J. Anim Sci. 1968. 27:389-393.
© 1968 American Society of Animal Science
This Article
Right arrow Full Text (PDF)
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Seymour, E. W.
Right arrow Articles by Hays, V. W.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Seymour, E. W.
Right arrow Articles by Hays, V. W.

Effect of Environmental Temperature on the Riboflavin Requirement of Young Pigs1

E. W. Seymour2, V. C. Speer and V. W. Hays3

Iowa Agricultural and Home Economics Experiment Station,4, Ames

Abstract

Seven experiments involving 648 baby pigs were conducted to investigate interactions of riboflavin and environmental temperature on gain and feed efficiency. Two temperature treatments and four ration treatments were used in each experiment. Average temperature levels ranged from –4° C. to 32° C.

Consistent interactions of biological significance between riboflavin and temperature were not observed. Pigs receiving 1.1 or 1.3 mg. of riboflavin per kg. of diet gained considerably less and required more feed per unit of gain than pigs receiving riboflavin levels ranging from 1.65 to 8.8 mg./kg. The results indicate a riboflavin requirement of 3.0 to 4.0 mg./kg. of diet.

There were no marked differences in the feed efficiency or gains of pigs housed at temperatures ranging from 16° C. to 32° C. At environmental temperatures below 11° C. the feed required per unit of gain increased, and rate of gain decreased with the decreasing temperature. Though pigs were tolerant of a rather wide range of temperatures, an optimum temperature of near 20° C. is suggested.

Footnotes

1 Journal Paper No. J-5064 of the Iowa Agricultural and Home Economics Experiment Station, Ames. Project 1512.

2 Present address: Abbott Laboratories, North Chicago, Illinois.

3 Present address: Department of Animal Sciences, University of Kentucky, Lexington.

4 Department of Animal Science.






HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Copyright © 1968 by the American Society of Animal Science.