Feedipedia
Animal feed resources information system
Feedipedia
Feedipedia

Giant kelp (Macrocystis pyrifera), dried

Main analysis Unit Avg SD Min Max Nb  
Dry matter % as fed 92.5   92.3 92.6 2  
Crude protein % DM 10.1 2.3 6.6 13.2 7  
Crude fibre % DM 8.0 2.5 4.5 11.3 5  
NDF % DM 19.9       1  
ADF % DM 12.6       1  
Lignin % DM 3.6       1  
Ether extract % DM 0.6 0.2 0.2 0.8 7  
Ash % DM 32.0 9.5 10.8 38.6 7  
Gross energy MJ/kg DM 9.0 0.4 8.5 9.3 5  
               
Minerals Unit Avg SD Min Max Nb  
Calcium g/kg DM 14.1 1.5 12.5 15.4 3  
Phosphorus g/kg DM 2.9   2.6 3.2 2  
Potassium g/kg DM 67.5 22.4 53.6 93.4 3  
Sodium g/kg DM 36.9 9.9 31.1 48.4 3  
Magnesium g/kg DM 39.0 22.8 12.9 55.0 3  
Manganese mg/kg DM 11       1  
Zinc mg/kg DM 12       1  
Copper mg/kg DM 2       1  
Iron mg/kg DM 117       1  
               
Amino acids Unit Avg SD Min Max Nb  
Alanine % protein 10.9 1.8 8.1 13.0 5  
Arginine % protein 3.5 0.7 2.3 3.9 5  
Aspartic acid % protein 9.7 1.1 8.1 10.9 5  
Cystine % protein 2.5 0.8 1.4 3.2 5  
Glutamic acid % protein 14.3 2.4 12.6 18.4 5  
Glycine % protein 4.5 1.0 2.8 5.2 5  
Histidine % protein 1.3 0.3 0.9 1.7 4  
Isoleucine % protein 3.4 0.2 3.2 3.7 5  
Leucine % protein 5.8 0.4 5.3 6.4 5  
Lysine % protein 4.7 0.7 3.6 5.5 5  
Methionine % protein 1.9 0.4 1.5 2.4 5  
Phenylalanine % protein 3.8 0.4 3.3 4.2 5  
Proline % protein 3.6 0.2 3.2 3.8 5  
Serine % protein 4.2 0.6 3.2 4.8 5  
Threonine % protein 4.6 0.6 3.8 5.4 5  
Tryptophan % protein 0.9 0.1 0.9 1.0 4  
Tyrosine % protein 2.6 0.2 2.4 2.8 4  
Valine % protein 5.2 1.7 4.3 8.6 6  
               
Secondary metabolites Unit Avg SD Min Max Nb  
Tannins (eq. tannic acid) g/kg DM 25.0 16.4 0.5 34.2 4  

The asterisk * indicates that the average value was obtained by an equation.

References

Castro et al., 1991; Castro-Gonzalez et al., 1994; Cruz-Suarez et al., 2008; Mora-Castro et al., 2009; Ortiz et al., 2009

Last updated on 13/05/2015 17:15:23

Table status 
Finished
Table order 
2
1 546