Poultry Nutrition Pat 2

Feed Additives

Substances added to feed for specific functions.

Nutritional Needs

Requirements for optimal health and production.

Egg Production Impact

Influence of egg laying on nutrient requirements.

Growth Rates Impact

Effect of growth speed on dietary needs.

Feed Cost

70% of total poultry production expenses.

Dietary Enzymes

Substances enhancing feed efficiency and reducing costs.

Phytases

Enzymes that increase phosphorus availability from phytate.

Proteases

Enzymes that enhance protein digestibility in feeds.

Carbohydrases

Enzymes improving carbohydrate digestion and nutrient absorption.

Xylanases

Specific carbohydrases that reduce digesta viscosity.

Feed Conversion Ratio (FCR)

Measure of feed efficiency in weight gain.

Phytate

Organic form of phosphorus limiting nutrient availability.

Exogenous Enzymes

Enzymes added to improve animal growth and digestion.

Non-Starch Polysaccharides (NSPs)

Fibers in grains affecting nutrient digestibility.

Viscous Gels

Substances formed by soluble NSPs hindering digestion.

Gut Irritation

Discomfort caused by undigested materials in intestines.

Amino Acids

Building blocks of proteins essential for growth.

Available Phosphorus

Phosphorus that can be absorbed and utilized.

Nutrient Bioavailability

Extent to which nutrients can be absorbed.

Microbial Growth

Increase in bacteria due to undigested substrates.

Endogenous Losses

Nutrient losses from the animal's own metabolism.

Super Dosing of Phytase

High levels of phytase to enhance phosphorus release.

Dietary Nutrient Availability

Accessibility of nutrients for absorption in animals.

Nutritional Needs

Basic dietary requirements for poultry health.

Egg Production Impact

Influence of egg laying on dietary requirements.

Growth Rates Effect

Impact of growth speed on nutritional needs.

Feed Cost

Feed constitutes 70% of poultry production expenses.

Dietary Enzymes

Additives that enhance feed efficiency and reduce costs.

Carbohydrases

Enzymes that improve carbohydrate digestion and nutrient absorption.

Phytate

Organic form of phosphorus, poorly digestible by poultry.

Exogenous Enzymes

External enzymes that aid in digestion and nutrient absorption.

Non-Starch Polysaccharides (NSPs)

Fibers that affect nutrient digestibility and gut health.

Viscous Gels

Substances formed by NSPs that hinder digestion.

Gut Irritation

Discomfort in the digestive tract affecting performance.

Amino Acids

Essential nutrients for growth and development in poultry.

Available Phosphorus

Digestible phosphorus crucial for poultry performance.

Nutrient Bioavailability

Extent to which nutrients can be absorbed and utilized.

Super Dosing

Increased enzyme levels to enhance nutrient release.

Endogenous Losses

Nutrient losses from the animal's own digestive processes.

Microbial Growth

Bacterial proliferation in the gut affecting health.

Inflammation

Response to poor digestion and microbial imbalance.

Maintenance Costs

Expenses related to sustaining animal health and performance.

NSP Enzymes

Reduce digesta viscosity and improve gut health.

Viscosity Reduction

Lowering digesta viscosity enhances nutrient absorption.

Symbiotic Gut Ecosystem

Maintains balance of beneficial gut microorganisms.

Xylanase

Enzyme that breaks down arabinoxylan in feed.

Nutrient Digestibility

Improved by xylanase, reducing pathogenic bacteria.

Arabinoxylan-Oligosaccharides

Prebiotics stimulating immune responses in intestines.

Feed Conversion Ratio (FCR)

Measure of feed efficiency in animal growth.

Exogenous NSP Enzymes

Supplemental enzymes enhancing feedstuff utility.

Animal Performance

Improved growth and health from enzyme supplementation.

Feed Raw Materials

Expanded options for animal feed ingredients.

Body Weight Gain

Increased by enzyme supplementation in studies.

Dietary Protein Costs

Rising prices affecting animal feed economics.

Crude Protein Digestibility

Undigested protein indicates need for enzyme use.

Supplemental Proteases

Enhance protein digestibility in animal feeds.

Digestive Enzymes

Natural enzymes like pepsin aiding protein breakdown.

Protein Hydrolysis

Process of breaking down proteins into peptides.

Anti-Nutrients

Compounds in feed that inhibit nutrient absorption.

Phytase Access

Increased by proteases to enhance phytate degradation.

Protein-Starch Interactions

Disrupted by proteases for better nutrient availability.

Solubilization of NSP

Increased by proteases for improved digestion.

Xylanase and Food Safety

Reduces nutrients for pathogenic bacteria in intestines.

Emulsifiers

Substances enhancing fat digestion in animal feed.

Lipases

Enzymes that break down fats into fatty acids.

Probiotics

Live microorganisms improving gut microbial balance.

Competitive exclusion

Probiotics colonize gut, preventing harmful bacteria.

Bacterial antagonism

Probiotics produce substances harmful to pathogens.

Immune modulation

Probiotics enhance the host's immune response.

Prebiotics

Substrates selectively used by beneficial gut microbes.

Oligosaccharides

Carbohydrates often used as prebiotics.

Bacillus

A genus of bacteria used in probiotic formulations.

Enterococcus

Bacterial strain authorized for animal nutrition in EU.

Lactobacillus

Bacteria that promote gut health in animals.

Pediococcus

Lactic acid bacteria used in probiotic feeds.

Saccharomyces

Yeast species beneficial for gut health.

Gut microflora

Microbial community residing in the gastrointestinal tract.

Synergistic action

Combined effect of emulsifiers and bile salts.

Digestibility

The extent to which feed nutrients are absorbed.

Feed formulation matrix

Framework for optimizing feed ingredient combinations.

Energy cost reduction

Lower energy expenditure through emulsifier use.

Bactericidal properties

Ability to kill bacteria, enhancing gut health.

Bacteriostatic properties

Ability to inhibit bacterial growth in the gut.

Microbial feed supplement

Additive containing live microbes for animal health.

Fructo-oligo-saccharides (FOS)

Prebiotic used against pathogens in gut.

Xylo-oligo-saccharides (XOS)

Prebiotic that supports gut health and pathogen control.

Mannan-oligo-saccharides (MOS)

Prebiotic that enhances immune response in animals.

Galacto-oligo-saccharides (GOS)

Prebiotic that promotes beneficial gut bacteria.

Synbiotics

Combination of prebiotics and probiotics for synergy.

Organic acids

Substances that alter gut microbial populations.

Digestive enzyme activity

Improved by organic acids in the gut.

Microbial phytase activity

Enhanced by organic acids for better nutrient absorption.

Pancreatic secretion

Increased by organic acids for improved digestion.

Intestinal mucosa growth

Stimulated by organic acids for better gut health.

Plant extracts

Natural products added to animal feed for performance.

Plant secondary metabolites

Compounds from plants, often with health benefits.

Essential oils

Concentrated plant extracts with aromatic properties.

Phytogenics

Plant-derived compounds that promote animal health.

Carotenoids

Pigments in feed affecting egg yolk color.

DSM Yolk Colour Fan

Scale for assessing preferred yolk color.