British Society of Animal Science 2009 , 2009-03-30

Title : ( Effect of different levels of fish oil and canola oil on DMI, milk production and blood metabolites of high producing Iranian Holstein dairy cows in early lactation )

Authors: - - , Abbas Ali Naserian , Alireza Heravi Moussavi , Reza Valizadeh , Mohsen Danesh Mesgaran ,

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Supplemental fat sources are utilized in rations for dairy cows as a common method to increase the energy density of the diet to support energy demands for milk synthesis in early lactation (Heravi Moussavi et al, 2007). Although dietary fat supplementation increases the energy density of the diet, data on the relationship between the addition of dietary fat and the performance of lactating dairy cows are inconsistent because the impact of dietary fat is influenced by source of fat, method of processing, amount of fat included in the diet and stage of lactation. Canola seed which contains 40% fat is an excellent source of dietary fat high in unsaturated fatty acids and protein for dairy animals. Canola oil contains 51% oleic, 25% linoleic, and 14% linolenic acids. Fish oil (FO) also contains relatively high concentrations of two polyunsaturated fatty acids of the n-3 family: (EPA, C20:5) and (DHA, C22:6). Combination of fish oil with different plant oils has been studied previously but there are few studies which have examined the inclusion of fish oil in combination with canola oil. The aim of the present study, therefore, was to study the effects of different levels of fish oil and canola oil in early lactating Holstein cows.

Keywords

, fish oil, canola oil, milk production, blood metabolites, Iranian Holstein, early
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@inproceedings{paperid:1010806,
author = { -, - and Naserian, Abbas Ali and Heravi Moussavi, Alireza and Valizadeh, Reza and Danesh Mesgaran, Mohsen},
title = {Effect of different levels of fish oil and canola oil on DMI, milk production and blood metabolites of high producing Iranian Holstein dairy cows in early lactation},
booktitle = {British Society of Animal Science 2009},
year = {2009},
location = {ENGLAND},
keywords = {fish oil; canola oil; milk production; blood metabolites; Iranian Holstein; early lactation},
}

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%0 Conference Proceedings
%T Effect of different levels of fish oil and canola oil on DMI, milk production and blood metabolites of high producing Iranian Holstein dairy cows in early lactation
%A -, -
%A Naserian, Abbas Ali
%A Heravi Moussavi, Alireza
%A Valizadeh, Reza
%A Danesh Mesgaran, Mohsen
%J British Society of Animal Science 2009
%D 2009

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