The 2010 Annual Meetings of the American Dairy Science Association-ADSA , 2010-07-11

Title : ( Effect of different sources of pectin feedstuffs on chewing activities in early lactating Holstein cows )

Authors: morteza kordi , Abbas Ali Naserian , Reza Valizadeh , Abdol Mansour Tahmasbi ,

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This experiment was conducted to determine the effect of different sources of pectin feedstuffs on blood metabolites in early lactating Holstein cows. Eight primiparous early lactating Holstein cows (60 ± 23 d postpartum, weighing 530 ± 60 kg) were assigned into a duplicated 4 × 4 Latin square design with 4 3-wk periods. Cows were allocated into 4 diets whit 1)10% barley grain, 2)10% sugar beet pulp, 3)10% wheat bran and 4) 10% dried citrus pulp . Each experimental period was 21 d including 14 d adaptation period and 7 d collecting samples. Blood samples were collected from the jugular vein 2h after the morning feeding. Blood serum was collected after centrifuged at 1,500 × g for 20 min, frozen at – 40°C, and later analyzed for glucose, urea N, cholesterol, triglyceride, alkaline phosphate and albumin. Blood metabolites data and DMI are shown in Table 1.There were no differences (P > 0.05) on daily intake of DM (kg/d) (Table 1). Similarly, no treatments effects were observed blood metabolites (Table 1). These data suggest that, the addition of sources of pectin feedstuffs at 10% levels (dry matter basis) of the dairy cow ration instead of cereal grain; will decrease the cost of milk production without any negative effect on DMI and blood metabolites.

Keywords

, Key Words: barley, lactating Holstein cow, pectin
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@inproceedings{paperid:1020800,
author = {Kordi, Morteza and Naserian, Abbas Ali and Valizadeh, Reza and Tahmasbi, Abdol Mansour},
title = {Effect of different sources of pectin feedstuffs on chewing activities in early lactating Holstein cows},
booktitle = {The 2010 Annual Meetings of the American Dairy Science Association-ADSA},
year = {2010},
location = {USA},
keywords = {Key Words: barley; lactating Holstein cow; pectin feedstuff},
}

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%0 Conference Proceedings
%T Effect of different sources of pectin feedstuffs on chewing activities in early lactating Holstein cows
%A Kordi, Morteza
%A Naserian, Abbas Ali
%A Valizadeh, Reza
%A Tahmasbi, Abdol Mansour
%J The 2010 Annual Meetings of the American Dairy Science Association-ADSA
%D 2010

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