A comparison of milk fatty acid profile among three different dairy production systems in Los Ríos District, Chile
The objective of this study was to compare three different dairy production systems in Los Ríos District, Chile, with regards to milk fatty acids profile. Nine representative farms were selected from a survey and classified into three systems: grazing (GS), mixed (MX) and total mixed ration (TMR). B...
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| Lenguaje: | English |
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Facultad de Ciencias Veterinarias, Universidad Austral de Chile
2015
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oai:scielo:S0301-732X20150003000042016-03-21A comparison of milk fatty acid profile among three different dairy production systems in Los Ríos District, ChileMorales,RLanuza,FSubiabre,ICarvajal,AMCanto,FUngerfeld,EM ácidos grasos CLA Holstein Friesian calidad de leche fatty acids CLA Holstein Friesian milk quality The objective of this study was to compare three different dairy production systems in Los Ríos District, Chile, with regards to milk fatty acids profile. Nine representative farms were selected from a survey and classified into three systems: grazing (GS), mixed (MX) and total mixed ration (TMR). Bulk milk tank samples were monthly obtained during an 18-months period, and milk components and fatty acid analyses were conducted. The grazing and mixed systems had higher concentrations of n-3 fatty acids and rumenic acid, which was associated to higher pasture intakes. Milk from grazing and mixed systems had twice as much rumenic acid than milk from TMR system in late winter and spring. These results are coincident with previous studies showing higher concentrations of fatty acids beneficial to human health in milk from grazing cows.info:eu-repo/semantics/openAccessFacultad de Ciencias Veterinarias, Universidad Austral de ChileArchivos de medicina veterinaria v.47 n.3 20152015-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0301-732X2015000300004en10.4067/S0301-732X2015000300004 |
| institution |
Scielo Chile |
| collection |
Scielo Chile |
| language |
English |
| topic |
ácidos grasos CLA Holstein Friesian calidad de leche fatty acids CLA Holstein Friesian milk quality |
| spellingShingle |
ácidos grasos CLA Holstein Friesian calidad de leche fatty acids CLA Holstein Friesian milk quality Morales,R Lanuza,F Subiabre,I Carvajal,AM Canto,F Ungerfeld,EM A comparison of milk fatty acid profile among three different dairy production systems in Los Ríos District, Chile |
| description |
The objective of this study was to compare three different dairy production systems in Los Ríos District, Chile, with regards to milk fatty acids profile. Nine representative farms were selected from a survey and classified into three systems: grazing (GS), mixed (MX) and total mixed ration (TMR). Bulk milk tank samples were monthly obtained during an 18-months period, and milk components and fatty acid analyses were conducted. The grazing and mixed systems had higher concentrations of n-3 fatty acids and rumenic acid, which was associated to higher pasture intakes. Milk from grazing and mixed systems had twice as much rumenic acid than milk from TMR system in late winter and spring. These results are coincident with previous studies showing higher concentrations of fatty acids beneficial to human health in milk from grazing cows. |
| author |
Morales,R Lanuza,F Subiabre,I Carvajal,AM Canto,F Ungerfeld,EM |
| author_facet |
Morales,R Lanuza,F Subiabre,I Carvajal,AM Canto,F Ungerfeld,EM |
| author_sort |
Morales,R |
| title |
A comparison of milk fatty acid profile among three different dairy production systems in Los Ríos District, Chile |
| title_short |
A comparison of milk fatty acid profile among three different dairy production systems in Los Ríos District, Chile |
| title_full |
A comparison of milk fatty acid profile among three different dairy production systems in Los Ríos District, Chile |
| title_fullStr |
A comparison of milk fatty acid profile among three different dairy production systems in Los Ríos District, Chile |
| title_full_unstemmed |
A comparison of milk fatty acid profile among three different dairy production systems in Los Ríos District, Chile |
| title_sort |
comparison of milk fatty acid profile among three different dairy production systems in los ríos district, chile |
| publisher |
Facultad de Ciencias Veterinarias, Universidad Austral de Chile |
| publishDate |
2015 |
| url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0301-732X2015000300004 |
| work_keys_str_mv |
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