Delayed feeding of first colostrum: are there prolonged effects on haematological, metabolic and endocrine parameters and on growth performance in calves?
- 1 April 2001
- journal article
- research article
- Published by Wiley in Journal of Animal Physiology and Animal Nutrition
- Vol. 85 (3-4), 53-66
- https://doi.org/10.1046/j.1439-0396.2001.00296.x
Abstract
To test the hypothesis that delaying first colostrum feeding of calves after birth exerts long-lasting effects on haematological, metabolic and endocrine traits and on growth performance, neonatal calves were fed first colostrum at 0–2 and 24–25 h after birth. Delayed feeding of first colostrum for 24–25 h after birth caused reduced plasma levels of total protein and globulin for up to 30 days and of insulin-like growth factor-I for up to 7 days, whereas concentrations of nonesterified fatty acids were elevated during the first day of life. There were no significant effects of delaying feeding for 24–25 h on leucocyte and erythrocyte number, packed cell volume and on haemoglobin levels and on plasma concentrations of albumin, urea, glucose, triglycerides, phospholipids, cholesterol, insulin, growth hormone, 3.5.3′-triiodothyronine and thyroxine and on growth performance. Thus, calves fed first colostrum with a delay of 24–25 h after birth were able to compensate rapidly for nutritional deficiencies on day 1 of life, i.e. there was no evidence for permanent imprinting of haematological, metabolic and of endocrine traits by starvation on the first day of life. Verzögerte Fütterung des ersten Kolostrums: Gibt es langdauernde Effekte auf den hämatologischen, metabolischen und endokrinen Status und auf die Wachstumrate bei Kälbern? Um die Hypothese zu testen, dass eine verzögerte Fütterung des ersten Kolostrums langdauernde Effekte auf hämatologische, metabolische und endokrine Parameter und auf die Wachstumsrate hat, erhielten neugeborene Kälber das erste Kolostrum 0–2 und 24–25 Stunden nach der Geburt. Eine Verzögerung der Fütterung von Kolostrum um 24–25 Stunden hatte zur Folge, dass die Blutplasmakonzentrationen von Gesamtprotein und Globulin bis zum Alter von 30 Tagen und diejenigen des insulinähnlichen Wachstumsfaktors-I bis zu 7 Tage nach der Geburt verringert waren, während die Plasmakonzentration der nicht-veresterten Fettsäuren am 1. Lebentag erhöht waren. Es gab jedoch keine signifikanten Effekte von verzögerter Kolostrumfütterung um 24–25 h auf die Erythrozytenzahl, den Hämatokrit und auf die Konzentration von Hämoglobin, Albumin, Harnstoff, Glukose, Triglyceriden, Phospholipiden, Cholesterin, Insulin, Wachstumshormon, 3.5.3′-Trijodthyronin und Thyroxin und auf das Wachstum. Kälber, die das erste Kolostrum mit einer Verzögerng von 24–25 Stunden nach der Geburt erhalten, sind somit in der Lage, das Nährstoffdefizit am ersten Lebenstag schnell zu kompensieren, d.h es gab keine Hinweise für eine permanente Prägung hämatologischer, metabolischer und endokriner Parameter durch das Hungern am ersten Lebenstag.Keywords
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