Peripartaler Energie- und Fettstoffwechsel bei Färsen unterschiedlicher Aufzuchtintensität

D. Goerigk; I. Steinhöfel; J. Gottschalk; M. Fürll

doi:10.1055/s-0038-1624007

Tierärztliche Praxis Ausgabe G: Großtiere / Nutztiere, Table of Contents

Tierarztl Prax Ausg G Grosstiere Nutztiere 2010; 38(06): 339-347
DOI: 10.1055/s-0038-1624007

Originalartikel

Schattauer GmbH

Peripartaler Energie- und Fettstoffwechsel bei Färsen unterschiedlicher Aufzuchtintensität

Untersuchung anhand ausgewählter ParameterInfluence of different diets during the rearing period on peripartal energy and fat metabolism in heifers

D. Goerigk

¹Medizinische Tierklinik, Veterinärmedizinische Fakultät, Universität Leipzig

,

I. Steinhöfel

²Sächsisches Landesamt für Umwelt, Landwirtschaft und Geologie, Abteilung Tierische Erzeugung, LVG Köllitsch

,

J. Gottschalk

³Veterinär-Physiologisch-Chemisches Institut, Veterinärmedizinische Fakultät, Universität Leipzig

,

M. Fürll

¹Medizinische Tierklinik, Veterinärmedizinische Fakultät, Universität Leipzig

› Author Affiliations

Abstract

Zusammenfassung:

Ziel dieser Studie war, Auswirkungen unterschiedlicher Fütterungsprotokolle während der Aufzuchtperiode auf den peripartalen Energie- und Fettstoffwechsel bei Färsen zu untersuchen. Material und Methoden: Aus 46 Kälbern der Rasse Holstein Friesian wurden drei Fütterungsgruppen gebildet. Bei Tieren der Gruppe 1 erfolgte eine optimale Fütterung (Kontrollgruppe), bei Tieren der Gruppe 2 eine intensive und bei Probanden der Gruppe 3 eine restriktive Fütterung. Vor und nach der Kalbung wurde Blut entnommen und das Gewicht sowie die Rückenfettdicke der Rinder bestimmt. Im Serum wurden die Konzentrationen der folgenden Parameter gemessen: Insulin, Insulin-like growth factor 1 (IGF-1), Glukose, freie Fettsäuren (FFS), Bilirubin, Cholesterin, Harnstoff, Betahydroxybutyrat (BHB) sowie Gesamteiweiß. Ergebnisse: Die intensiv aufgezogenen Tiere konzipierten signifikant (p < 0,05) früher als die Färsen der beiden anderen Gruppen. Signifikante Unterschiede (p < 0,05) zwischen den Gruppen ergaben sich hinsichtlich der IGF-1-, Insulin-, FFS- und Cholesterinkonzentrationen ante partum sowie den Bilirubin-, und FFS-Konzentrationen post partum. Schlussfolgerung und klinische Relevanz: Es konnte gezeigt werden, dass sich eine unterschiedliche Intensität bei der Kälberaufzucht sowohl auf die Zuchtreife als auch auf den peripartalen Energie- und Fettstoffwechsel von Färsen auswirkt, wobei der Stoffwechsel der intensiv aufgezogenen Färsen eine stärkere Belastung aufweist. Auch die Milchleistung und die Fruchtbarkeit werden durch die unterschiedliche Aufzuchtintensität beeinflusst.

Summary:

Objective: The aim of this study was to investigate whether different diets during the rearing period influence the peripartal energy and fat metabolism of heifers. Material and methods: 46 German Holstein calves were divided into three groups. Group 1 was fed with an optimal diet (control group), group 2 was fed with a highly-concentrated diet and group 3 received a low-concentrated diet. Blood samples were taken one week ante partum, three days post partum as well as 4 weeks post partum. At the same time, body weight and back fat thickness were determined. Serum concentrations of the following blood para - meters were measured: insulin, insulin-like growth factor 1 (IGF-1), glucose, free fatty acids (FFA), bilirubin, cholesterol, urea, beta-hydroxybutyrate (BHB) and total protein. Results: Heifers fed with the highconcentrated diet reached puberty significantly earlier (p < 0.05) than the heifers of the other groups. Significant differences (p < 0.05) between the groups could be detected in the concentrations of IGF-1, insulin, FFA and cholesterol ante partum as well as bilirubin and FFA post partum. In all three groups the insulin concentration was significantly higher ante partum. In contrast, the concentration of IGF-1 was significantly lower ante partum in all groups. The concentration of FFA increased significantly in all groups shortly after calving. Conclusion and clinical relevance: Different diets during the rearing period of calves influence the onset of puberty as well as the peripartal energy and fat metabolism of heifers. Heifers of the high-energy group showed more metabolic imbalances. Even the milk yield in the first lactation and the fertility post partum were affected.

Schlüsselwörter:

Kälber - Aufzuchtperiode - Färsen - Stoffwechsel

Key words:

Calves - rearing period - heifers - metabolism

Full Text

References

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