Prediction on the Quality of Total Mixed Ration for Dairy Cows by Near Infrared Reflectance Spectroscopy

2009 ◽  
Vol 29 (3) ◽  
pp. 253-262 ◽  
Author(s):  
Kwang-Seok Ki ◽  
Sang-Bum Kim ◽  
Hyun-June Lee ◽  
Seung-Hak Yang ◽  
Jae-Sik Lee ◽  
...  
Keyword(s):  
Dairy Cows ◽  
Near Infrared ◽  
Reflectance Spectroscopy ◽  
Infrared Reflectance ◽  
Near Infrared Reflectance Spectroscopy ◽  
Near Infrared Reflectance ◽  
Total Mixed Ration ◽  
Infrared Reflectance Spectroscopy

Near-infrared reflectance spectroscopy for estimating food intake in housed dairy cows

1999 ◽  
Vol 1999 ◽  
pp. 93-93
Author(s):  
Y. Unal ◽  
P. C. Garnsworthy
Keyword(s):  
Dairy Cows ◽  
Dry Matter ◽  
Near Infrared ◽  
Reflectance Spectroscopy ◽  
Dry Matter Intake ◽  
Infrared Reflectance ◽  
Near Infrared Reflectance Spectroscopy ◽  
Near Infrared Reflectance ◽  
Infrared Reflectance Spectroscopy ◽  
Faecal Samples

Dry matter intake (DMI) is a major limitation to milk production in dairy cows, but is difficult to measure under commercial conditions where cows are housed and fed in groups. Several methods have been developed to estimate DMI by individual cows, such as using inert markers, where dual markers can be used to predict digestibility and faecal output simultaneously. However, their scope is limited by the laboratory analyses required and there are problems with marker dosing and recovery. Predictions of DMI by near-infrared reflectance spectroscopy (NIRS) have been reported, but they have been based on scanning forage samples to predict intake potential. Since DMI is a function of the animal as well as the diet, it is more logical to scan samples of faeces when predicting individual intakes. The objective of this study was to see whether NIRS could accurately predict DMI from faecal samples of individual cows.

Use of Near Infrared Reflectance Spectroscopy to Assess Forage Quality of a Mediterranean Shrub

2004 ◽  
Vol 35 (5-6) ◽  
pp. 665-678 ◽  
Author(s):  
A. García Ciudad ◽  
B. Fernández Santos ◽  
B. R. Vázquez de Aldana ◽  
I. Zabalgogeazcoa ◽  
M. Y. Gutiérrez ◽  
...  
Keyword(s):  
Near Infrared ◽  
Forage Quality ◽  
Reflectance Spectroscopy ◽  
Infrared Reflectance ◽  
Near Infrared Reflectance Spectroscopy ◽  
Near Infrared Reflectance ◽  
Infrared Reflectance Spectroscopy ◽  
Mediterranean Shrub
Sign in / Sign up

Export Citation Format

Share Document