Skip to main content

Advertisement

Table 11 Comparison of the effects of a β-mannase produced using normal fermentation technology with that of a recombinant β-mannase on the performance of growing-finishing pigs

From: Alternatives to antibiotics as growth promoters for use in swine production: a review

Items Control β-mannase % Improvement
Traditional fermentation 1
 Weight gain, g/d 0.84 0.87 3.4
 Feed intake, g/d 2.50 2.48 -
 Feed efficiency 0.337 0.351 3.9
Recombinant technology 2
 Weight gain, g/d 0.66 0.79 16.4
 Feed intake, g/d 1.66 1.61 3.0
 Feed efficiency 0.404 0.491 17.7
  1. 1Pettey et al. [87].
  2. 2Lv et al. [85].