Evaluation of Camelina sativa (L.) Crantz meal as an alternative protein source in ruminant rations
2014
Colombini, Stefania | Broderick, Glen A | Galasso, Incoronata | Martinelli, Tommaso | Rapetti, Luca | Russo, Roberto | Reggiani, Remo
BACKGROUND: Camelina sativa (CS) is an oilseed crop used for biofuel production. By‐products from oil extraction are high in protein and can be used in ruminant rations; more information about their nutritive value is required also considering the antinutrional factor content of the by‐products. The aim of this study was to evaluate the nutritive value of CS meal genotypes in comparison with canola. RESULTS: Ten CS genotypes and one canola cultivar were evaluated. Meals were obtained from seeds after solvent oil extraction. CS average crude protein (CP) content (g kg⁻¹dry matter) was 457. Numerical differences in lysine and sulfur amino acid content were observed among CS genotypes. Glucosinolate (mmol kg⁻¹) content was higher for CS (23.1) than canola (7.2). Sinapine content (g kg⁻¹) was lower for CS (2.79) than for canola (4.32). Differences were observed among CS genotypes for rumen undegraded protein (RUP). Average RUP (g kg⁻¹CP) was 316 for CS and 275 for canola. CONCLUSIONS: CS meal has potential for use in ruminant rations as a high‐quality protein source. In vivo studies are needed to compare CS with other protein sources used in cattle rations. Implementation of breeding programs for improved meal quality is recommend. © 2013 Society of Chemical Industry
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