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Effects of feeding fish meal or fish oil fatty acids on energy balance and plasma concentrations of insulin and insulin-like growth factor binding proteins in early postpartum dairy cows

Published online by Cambridge University Press:  20 November 2017

A. Heravi Moussavi ,
T. R. Overton ,
M. Danesh Mesgaran ,
M. J. Zamiri  and
W. R. Butler
A. Heravi Moussavi
Affiliation:
Dept. of Animal Science, Ferdowsi University, Mashhad, Iran
T. R. Overton
Affiliation:
Dept. of Animal Science, Cornell University, Ithaca, NY 14853, USA Email: [email protected]
M. Danesh Mesgaran
Affiliation:
Dept. of Animal Science, Ferdowsi University, Mashhad, Iran
M. J. Zamiri
Affiliation:
Dept. of Animal Science, Shiraz University, Shiraz, Iran
W. R. Butler
Affiliation:
Dept. of Animal Science, Cornell University, Ithaca, NY 14853, USA Email: [email protected]
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Extract

The early lactation period in dairy cattle is characterized by negative energy balance (NEB). Insulin-like growth factors (IGFs) have an important role in regulating nutrient utilization and act as a mediator of the effects of energy balance on reproduction. The capacity of IGF-I to access cell surface receptors is controlled by insulin-like growth factor binding proteins (IGFBPs). Insulin is a key signal of metabolic status and its infusion altered IGF-I and IGFBP concentrations in plasma (Butler et al., 2003). The objective of the present study was to compare the effect of dietary supplementation of fish meal (FM) or Ca salts of fish oil fatty acids (CaFOFA) on energy balance during early lactation period and on the circulating concentrations of insulin and IGFBPs on d 32 post-partum (PP).

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2004 , 2004 , pp. 167
Copyright
Copyright © The British Society of Animal Science 2004

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References

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