Table 1. Average composition of the supplements lyophilized yeast extract and milk whey retentate (adapted from Sgarbieri et al. 1999 and Borges et al. 2001).

Component

Percentage of dry weight

YE^a

MWR^b

Proteins

48.6

83.8

Lipids

0.4

4.5

Carbohydrates

25.6

ND

Ashes

11.7

2.8

Fibers

3.3

ND

Lactose

ND

8.9