Enzymes in animal feed
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Swine and poultry cannot digest approximately one fourth of the diet they are fed because the feed ingredients contain undegradable harmful factors that hinder the digestive process and/or the animal is devoid of the necessary enzymes needed to degrade certain complexes in the feed.
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Enzymes serve several important functions in the baking industry. Amylases, xylanases, proteases, and other enzymes are used to modify dough rheology and improve characteristics like crumb softness and volume. Specifically, amylases help release sugars from starch for fermentation, while xylanases and proteases alter gluten strength and texture. Looking ahead, directed evolution may help design new enzymes to develop gluten-free or high-fiber baked goods.
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This document discusses feedstuff classification and anti-nutritional factors. It classifies feeds as roughages or concentrates based on fiber and nutrient content. Roughages like pastures and crop residues are low in nutrients. Concentrates include energy sources like grains and protein sources like oilseed meals. Many protein concentrates contain anti-nutritional factors that can reduce nutrient availability if not properly heat treated. The document provides detailed examples and characteristics of various roughages and concentrates as well as classes of feed additives.
Formula iv and protein powerpoint health tip nada st. ge...
Formula IV is a supplement that provides vitamins, minerals, lipids, sterols and other nutrients. It contains a unique blend that supports cellular health and absorption of nutrients from food. Regular consumption may lead to more energy, vitality, mental clarity and other benefits. Nourishake is a high-quality protein shake that provides sustained energy from its blend of simple and complex carbohydrates. It contains a complete protein profile and enzymes for easy digestion. When mixed with milk, it offers 1/3 the daily protein and half the calcium needs.
Formula iv and protein powerpoint health tip nada st. germain dec. 2012
Formula IV is a supplement that provides vitamins, minerals, lipids, sterols and other nutrients. It contains a unique blend that supports cellular health and absorption of nutrients from food. Regular consumption may lead to more energy, vitality, mental clarity and other benefits. Nourishake is a high-quality protein shake that provides sustained energy from its blend of simple and complex carbohydrates. It has three flavors and supplies amino acids, calcium and other nutrients when mixed with milk or other liquids. Both products contain proprietary blends and processing methods to support nutrient absorption and health.
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Enzymes in animal feed
- 1. ENZYMES IN ANIMAL FEED Patel Mili Nileshbhai Msc.Microbiology Semester : 2 201804101010020
- 2. ENZYMES • Catalyze chemical processes • Binding to specific substrates in the animal feed and breaking them down into smaller components • Highly efficient in its activity on specific substrates, requiring only a small dosage to produce the desired effect • Exogenous enzymes created for use as animal feed additives are produced by microbial fermentation of substances found in plants, animals or microorganisms 2
- 3. ANIMAL FEEDS • Animal feed industry produce >750 million tones of feed. >90% taken by poultry, pigs and ruminants .10% taken by pet foods and fish farming • Many feed ingredients are not fully digested by live stock so certain enzymes are adding to feed • Enzymes are added to feed either directly or as premix together with vitamins, minerals and other feed additives 3
- 4. ENZYMES USED IN FEED •Hydrolases •Cellulase and hemicellulase • 𝜷-glucanase and xylanases 4
- 5. HYDROLASES • Main class of enzyme used in monogastric feed • Eliminate the anti-nutritional factor in grains or vegetables • Degrade certain cereal components to improve the nutritional value of feed • Supplement the animals with their own digestive enzymes, (e.g. proteases, amylases, 𝛽- glucanases.) 5
- 6. 𝛽-GLUCANASES AND XYLANASES • Hydrolyze non-starchy polysaccharides, like barley 𝛽-glucans and arabinoxylans • Improve digestion and absorption of feed components • Improve weight gain by broiler chickens and egg laying hens • improve the performance of barley fed pigs • Cannulated pig demonstrated, improved digestion of starch, lipids, and proteins in small intestine • Xylanase based multienzyme product reduce overall cost of pig feed 6
- 7. CELLULASE AND HEMICELLULASE • Improve feed utilization, milk yield and weight gain by ruminants • Improve nutritive quality of forages • Success depends on stability in feed and in rumen, capability to hydrolyze plant cell wall polysaccharides, capacity of animal to use reaction product efficiently • Cellulase and Xylanase to hay diet increased weight gain of cattle much as 35% • 5-25% increase in milk yield reported in dairy cows fed with forage treated with commercial fibrolytic enzymes 7
- 8. COMMERCIAL PRODUCTION OF ENZYMES • Identification and selection of a naturally occurring substance that can be efficiently expressed by a microbial process and maintain the required enzyme profile and activity • Multiple animal feeding trials are conducted to confirm the enzyme’s performance in animals • Selected strain is propagated in liquid broth to produce a large quantity of inoculum • Adjust the temperature, nutrients, and air supply to ensure optimal development • Mixture of enzymes, nutrients, and microbes is strained though a series of filters to remove impurities and extract the enzymes 8
- 9. references: • S.Shanmugam and T.Sathishkumar (2009) Enzyme Technology: New Delhi: krishan makhijani. • https://www.google.com/url?sa=t&source=web&rct=j&url=https://bri worldwide.com/wp- content/uploads/2014/11/BRI_EnzymeOverview_FINAL.pdf&ved=2a hUKEwj0- LLNrubhAhXTfn0KHYLqDCYQFjACegQIBBAR&usg=AOvVaw1a6N k8JLf9BmMgzaJJTFRI 9
- 10. Thank you 10