Use of bacterial amylases in feed for bovine animals

Details Use of bacterial amylases in feed for bovine animals Use of bacterial amylases in feed for bovine animals

A - Human Necessities

23

K

A23K 1/18 (2006.01) A23K 1/14 (2006.01) A23K 1/165 (2006.01)

Patent

CA 2657272

The invention relates to the use of at least one bacterial amylase in feed for ruminant animals of the subfamily Bovinae in particular for improving milk yield, apparent digestibility of the diet fed, feedstuff dry matter disappearance, weight gain, and/or Feed Conversion Ratio (FCR). Examples of bovine animals are dairy cows and beef cattle. The invention also relates to the use of such amylases in feed and feed additives such as premix, concentrates and total mixed ration (TMR). The amylase may be used in combination with cellulase for improving milk yield and/or back fat thickness. Preferred amylases are derived from Bacillus halmapalus, licheniformis, and stearothermophilus and are preferably homologous to Bacillus stearothermophilus amylase.

L'invention concerne l'utilisation d'au moins une amylase bactérienne dans de l'alimentation pour des ruminants de la sous-famille des Bovinae (bovins), en particulier pour améliorer le rendement de lait, la digestibilité apparente du régime alimentaire, la disparition de matière sèche alimentaire, le gain de poids, et/ou l'indice de consommation (FCR). Des exemples de bovins sont des vaches laitières et des cheptels bovins. L'invention concerne également l'utilisation de telles amylases dans l'alimentation et dans des additifs alimentaires tels que le prémélange, les concentrés et la ration mélangée complète (TMR). L'amylase peut être utilisée en combinaison avec la cellulase pour améliorer le rendement de lait et/ou l'épaisseur de graisse dorsale. Des amylases préférées proviennent du Bacillus halmapalus, licheniformis, et stearothermophilus, et sont de préférence homologues à l'amylase de Bacillus stearothermophilus.

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