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Direct Research Journals
Vol.4 (7), pp. 176-181, July 2016
ISSN: 2354-4147

Red (Brassica oleracea var. capitata) and White (Brassica oleracea var. botrytis) Cabbage Leaves Nutritional Value as Forage Feed: Comparison Study of In Vitro Gas Production and Determination of Chemical Composition
Article Number: DRJA36074545

Original Research Article

Mohsen Kazemi1*, Ameneh Eskandary Torbaghan2, Elias Ibrahimi Khoram Abadi1, Saeid Abdi Tazik1 and Reza Tohidi1

1Faculty of Agriculture and Animal Science, University of Torbat-e Jam, Torbat-e Jam, Iran.

2Department of Environmental Health Engineering, Torbat-e Jam University of medical sciences, Torbat-e Jam, Iran.

*Corresponding Author E-mail:

date Received: April 18, 2016     date Accepted: June 14, 2016     date Published: June 18, 2016


An in vitro rumen gas production technique was used to compare chemical composition and nutritive value of red (Brassica oleracea var. capitata) and white (Brassica oleracea var. botrytis) cabbage leaves (Brassicaceae). There were no significant differences in either extract concentration, but other chemical composition (such as Neutral detergent fiber: NDF; Acid detergent fiber: ADF; Ash, and Dry matter concentrations) was significantly higher for red cabbage leaves (RCL) and the crude protein (CP) concentration was higher (p<0.05) for white cabbage leaves (WCL). Total gas produced at 24, 48 h and Bgas (gas production from the insoluble but fermentable fraction; ml)  was significantly highest for WCL than to RCL (p<0.05). The highest (P<0.05) estimated parameters from in vitro gas production values (Organic matter digestibility: OMD; Metabolisable energy: ME; Short chain fatty acid: SCFA, and microbial protein yield) were observed for WCL. In vitro rumen gas production can be used as a method to distinguish differences in nutritive value of forages like this study. A difference between two forage species in chemical composition is responsible for the fermentation pattern. Fresh agricultural waste, particularly leaves from RCL and WCL, should be a suitable feed for ruminants, although it seems that the nutritional value of WCL is better than RCL.

Key words: Brassicaceae, in vitro, chemical composition, gas production.



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Dr. G.A. Pesewu
Department of Medical Laboratory Sciences (MEDLAB), School of Biomedical and Allied Health Sciences, College of Health Sciences, University of Ghana, PO Box KB 143, Korle-Bu, Accra, Ghana.