Postprandial changes in plasma growth hormone and insulin concentrations in calves before and after weaning

K. Katoh, G. Furukawa, Y. Kobayashi, Y. Obara

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Plasma GH and insulin concentrations following feeding as well as following stimulation with GH-releasing agonists were compared between milk-fed (3-wk old) and concentrate + hay-fed (12-wk old) calves. Feeding of a milk replacer diet, but not the concentrate + hay, significantly increased plasma GH, insulin and glucose concentrations. When calves were maintained on a milk replacer diet until 12 wk of age, postprandial plasma GH concentration was not different from that in the age-matched weaned group. It is concluded that postprandial levels in plasma GH and insulin concentrations are altered after weaning.

    Original languageEnglish
    Pages (from-to)413-416
    Number of pages4
    JournalJournal of Animal and Feed Sciences
    Volume13
    Issue numberSUPPL. 1
    DOIs
    Publication statusPublished - 2004

    Keywords

    • Calf
    • Feeding
    • Growth hormone
    • Insulin
    • Weaning

    ASJC Scopus subject areas

    • Food Science
    • Animal Science and Zoology

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