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. 2021 Aug 3;11(8):2293. doi: 10.3390/ani11082293

Table 8.

Summary of the by-product protein sources used in livestock to replace SBM and maximum inclusion levels without impaired animal performance. For details and references see the text below.

Sources Livestock Species Maximum Dietary Level without Impaired
Animal Performance and Productivity
Camelina sativa (CS) Ruminants
Dairy cattle Up to 15%, 4% recommended as optimum
Field peas Dairy cattle No recommendation
Lupine, pea seeds mixtures Dairy cattle 75%
Urea Dairy cattle 2.1%
Canola meal/RSM Dairy cattle 5–20%, depending on processing method
SFM Dairy cattle 10%
Rape seed expeller Pigs
Brassica juncea Pigs No recommendation
SFM, rapeseed cake, field peas mixtures Pigs
Rapeseed, cotton, sunflower products Pigs No recommendation
Rapeseed press cake, legume seeds mixtures Pigs
RSM Pigs Up to 21%
Guar Poultry
SFM Layers No recommendation
Lupinus angustifolius Layers Up to 20%
While flowered semi leafless green spring peas Layers 300 g/kg
Faba beans Layers 50 g/kg
Field peas Broilers No recommendation
Field peas, faba beans mixtures Broilers Potentially OK
Alfalfa peas/meal, faba beans, black soldier fly larva mixtures Broilers Potentially OK