Dsm IP Assets B.v.

Novozymes A/s

Wolfgang Steinberg

Irmgard Immig

Joseph McGrath

Morten Fischer

Werner Simon

Vibe Glitsoe

Immig Irmgard

Joseph Schierle

Joseph Mc Grath

Methods to prevent ketosis or minimize the effects of ketosis in ruminant animals are provided. This methods include feeding to the animal biotin in combination with a mixture of at least two essential oil compounds selected from the group consisting of thymol, eugenol, meta-cresol, vaniline and guajacol. The methods usefully prevent and/or inhibit ketosis of calving ruminant animals and the subsequent need for veterinary treatment. In a preferred embodiment of a feeding concept for dairy cattle, especially calving dairy cattle, biotin is used in an amount sufficient to provide a daily dosage of 10 mg to 20 mg per head to which it is to be administered. It is at present contemplated that the essential oils are administered in amounts (total dosage ranges of essential oils) of 1 to 1.5 g per head per day.

Use of biotin and natural essential oils for bovine animals for the prevention and treatment of ketosis

The present invention is made for the prevention of ketosis or minimizing the effects of ketosis in ruminant animals. This purpose is achieved by feeding to the animal biotin in combination with a mixture of at least two essential oil compounds selected from the group consisting of thymol, eugenol, meta-cresol, vaniline and guajacol. The present invention is useful because it is capable of preventing and/or inhibiting ketosis of calving ruminant animals and the subsequent need for veterinary treatment. In a preferred embodiment of a feeding concept for dairy cattle, especially calving dairy cattle, biotin being used in an amount sufficient to provide a daily dosage of 10 mg to 20 mg per head to which it is to be administered. It is at present contemplated that the essential oils are administered in amounts (total dosage ranges of essential oils) of 1 to 1.5 g per head per day.

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, andand are preferably homologous toamylase.

Use of bacterial amylases in feed for bovine animals

The present invention is a method for pigmenting a food or foodstuff comprising combining in a source of feed, a carotenoid ester of formula I:wherein R is methyl, C-alkyl, C-alkenyl, or C-cycloalkyl. Further embraced by the invention are the carotenoid-enriched feeds, e.g., for poultry, fish, or crustacea, premixes for incorporation in such feeds, and beadlets containing the carotenoid ester for incorporation in such premixes. A further aspect of the present invention is carotenoid esters of formula I.

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Kaiseraugst, Switzerland

Wolfgang Steinberg