	US 11,926,855 B2
	Feed composition supplemented with a protease combination
Niall Higgins, Nass (IE); Jacques Georis, Heron (BE); Sara Llamas Moya, Eadestown (IE); Nathan Marshall, Warrington (GB); Derek Carr, Dublin (IE); Rachel Maloney, Broadway (IE); and Laura Guaras, Novallas Zaragoza (ES)
Assigned to Kerry Group Services International Limited, Tralee (IE)
Filed by Kerry Luxembourg S.à.r.l., Luxembourg (LU)
Filed on Dec. 21, 2020, as Appl. No. 17/128,960.
Claims priority of provisional application 63/071,818, filed on Aug. 28, 2020.
Prior Publication US 2022/0061354 A1, Mar. 3, 2022
Int. Cl. C12N 9/26 (2006.01); A23K 10/14 (2016.01); A23K 50/75 (2016.01); C12N 9/48 (2006.01); C12N 9/64 (2006.01)

CPC C12N 9/6489 (2013.01) [A23K 10/14 (2016.05); A23K 50/75 (2016.05); C12N 9/2411 (2013.01); C12N 9/485 (2013.01); C12N 9/6424 (2013.01)]

20 Claims

1. A method for improving digestibility of proteins, comprising: administering to an animal a feed supplement comprising i) a protease combination or a protease mixture having neutral metalloprotease and serine alkaline protease activity and ii) amylase, wherein the protease combination has a ratio of total activity of neutral metalloprotease:serine alkaline protease of from 4:1 to 1.5:1,

the amylase is at least one selected from the group consisting of an α-amylase, a β-amylase, and a γ-amylase;

the protease combination or the protease mixture and amylase have a ratio of total activity of protease:amylase of from 20:1.13 to 1:5; and

the protease combination or the protease mixture is derived from Bacillus amyloliquefaciens.