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Homofermented productsHomofermented products description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20090169676, Homofermented products. Brief Patent Description - Full Patent Description - Patent Application Claims
The present invention pertains to the field of liquid feed. More particularly, the present relates to providing fermented feed products, methods for their preparation as well as uses thereof. In the farming industry, feed is often delivered to the animals by liquid feeding systems. This causes several problems. Potential harmful bacteria and organisms are natural inhabitants of soil and vegetation and are accordingly found on feed components and everywhere in the animal\'s surroundings. The bacteria and other organisms present will ferment, unless prevented e.g. by sterilisation. The fermentation may result in outgrow of pathogenic bacteria e.g. Vibrio spp., Campylobacter spp., Salmonella spp., E. coli, and Stapholococcus aureus. Furthermore, there might be a high content of various types of yeast and moulds. This uncontrolled growth in the liquid feed may result in illness, malnutrition, diarrhea, or even death of the animals. Furthermore, animals infected with Campylobacter spp. or Salmonella spp. may transfer the infection to humans, and therefore it is desirable to avoid such infections in animals. Production of a fermented mixed feed in an environment with high microbial pressure, including pathogenic microorganisms is very challenging, and many attempts have failed so far. Generally, conventional inoculation of feed with starter cultures requires cultivation and propagation steps, including a sterile handling of bacteria. This is highly challenging for a farmer, who is not trained in general microbiological skills, and who is surrounded by an environment of high microbial pressure, such as found in conventional feeding kitchens in a pig farm. The alternative, a “continuous” fermentation, where a portion of the fermented feed is used as inoculum for a new fermentation batch, suffers from gradual increase of undesired microorganisms, such as acid tolerant yeasts. These are not only known to have a detrimental effect on the fermented feed, but they can be very difficult to get rid off, especially in the feeding pipes. It has proven very difficult, if not impossible, to avoid the above-mentioned problems if liquid feed is to be used as feed. Accordingly, the use of dry feed is often the alternative choice. Until recently, antibiotic-based growth promoters were provided to e.g. pigs on a routine basis, in order to prevent e.g. diarrhea, and thereby to increase weight gain (hence the term “growth promoter”). The use of antibiotic-based growth promoters by farmers has been banned in several countries, including EU. This is in part caused by the fear of generating multi-resistant pathogenic microorganisms. However, use of antibiotics has not stopped, and veterinarians prescribe antibiotics for treatment of large numbers of pigs every day. By the present invention, the above-mentioned problems have been solved. Furthermore, the invention provides a non-antibiotic growth promoter. In one aspect, the present invention relates to a method of preparing a fermented mixed feed, comprising the steps of: (a) providing a liquid fermented product; (b) providing a feed product to be fermented; (c) combining the products from step (a) and (b), and fermenting the feed product of step (b) using the liquid fermented product of step (a) as inoculum. Another aspect of the invention concerns a fermented mixed feed, provided by a method comprising the steps of: (a) providing a liquid fermented product; (b) providing a feed product to be fermented; (c) combining the products from step (a) and (b), and fermenting the feed product of step (b) using the liquid fermented product of step (a) as inoculum. A further aspect of the invention pertains to the use of a fermented mixed feed for feeding animals, said fermented mixed feed being provided by a method comprising the steps of: (a) providing a liquid fermented product; (b) providing a feed product to be fermented; (c) combining the products from step (a) and (b), and fermenting the feed product of step (b) using the liquid fermented product of step (a) as inoculum. A further aspect of the invention relates to fermented products which can be obtained by fermenting a fluid product with lactic acid-producing bacteria capable of producing sufficient lactic acid to decrease the pH to at least 4.2 within 24 hours. In a further aspect, the invention relates to silage, its preparation and use. In a further aspect, the present invention relates to uses of the fermented products according to the invention either directly as liquid feed or for preparing liquid feed. In a further aspect, the present invention relates to a method for preparing a fermented product and its use as growth promoter. The method comprises: (a) providing a fluid product; (b) providing lactic acid-producing bacteria capable of producing sufficient lactic acid to decrease the pH to at least 4.2 within 24 hours; (c) bringing (a) and (b) together; and (d) allowing fermentation to take place under suitable conditions to obtain said fermented product. In a further aspect, the present invention relates to a method of preparing a liquid feed comprising (a) providing a fermented product according the present invention; (b) providing a feed product to be fermented; and (c) allowing fermentation to take place under suitable conditions. Continue reading about Homofermented products... Full patent description for Homofermented products Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Homofermented products patent application. Patent Applications in related categories: 20090280210 - Milk production method - A method for improving the half-life of milk comprising the step of: a) contacting milk with an antibody raised against at least one of the following: i) a molecule required for survival by at least a micro-organism that is responsible for reducing the half-life of milk; ii) a molecule required ... 20090280210 - Milk production method - A method for improving the half-life of milk comprising the step of: a) contacting milk with an antibody raised against at least one of the following: i) a molecule required for survival by at least a micro-organism that is responsible for reducing the half-life of milk; ii) a molecule required ... ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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