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Term Test 3 Flashcards

1
Q

8 Goals of Broiler Nutrition

A

Consistent
Safe
High Quality
Well Balanced, Highly Fortified
Focused on Gut Health
Competitive
Adaptable
Economical

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2
Q

Evolution of Broilers: Size

A

Genetic programs have evolved to be a big bird

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3
Q

Nutrition and How Things Change
Nutrition is always _
New markets _
Commodity / influence formulas
Nutritionists must provide best _

A

Evolving
Introduced
Prices/Availability
Solution

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4
Q

4 Advancements in Broiler Nutrition

A

Exogenous Enzymes
Organic Selenium
Complex Trace Elements
Gut Health Additives

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5
Q

Additives - Specific Modes of Action
_ digestion
_ pathogens
support _
manage _
support _ _
_ feed intake

A

Increase
Decrease
Microbiome
Moisture
Barn Environment
Increase

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6
Q

Factors to consider Formulating Broiler Diet

A

Ingredients available
Ingredients cost
Nutritional requirements
Nutrient specifications
Market considerations

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7
Q

As broilers age
Feed intake _
//_ decrease

A

Increases
AA/CP/Minerals

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8
Q

Enzymes Influence:
_ inclusion
_ digestibility
_ excreta
_ excretion
_

A

Small
Enhance
Consistent
Phosphorus
Profitability

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9
Q

Supplemental Enzymes
Compliment _ system
Convert _ nutrients to useable
Release _ nutrients
Prevent _ disruptions
Influence gut _

A

Digestive system
Unusable
Trapped
Digestive
Microbiome

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10
Q

NSP enzymes (_ _ _)

A

Non-Starch Polysaccharide

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11
Q

NSPs are a blend of enzymes that _ trapped nutrients, they _ levels of enzymes, target _ starch, _ gut viscosity, _ gut health, _ cost

A

Liberate
Enhance
Indigestible Starch
Decrease
Support
Decrease

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12
Q

Phytase liberates -, trace minerals (,), _, _, and is good for the _

A

Phytate Phosphorus, Zn, Cu, Protein, Energy, environment

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13
Q

Proteases increase digestion of _

A

AA’s

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14
Q

_ is a protease that targets mannan ANF in SBM that is indigestible

A

Mannanase

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15
Q

Water Contaminants
High _ content
_ & _ _ contamination

A

Mineral
E. coli, Fecal Coliforms

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16
Q

New CFIA regulations come into place

A

June 2025

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17
Q

4 Phases of Phase Feeding

A

Starter, Grower, Finisher, Roasting

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18
Q

Phase Feeding
Meets target _, _, _, _ size
_ effective

A

Nutrients, Additives, Medications, Particle
Cost

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19
Q

Factors Restricting Feed Intake

A

Temperature
Density
Water Quality
Health Status
Lighting Program
Height of Waterer/Feeder
Particle Size

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20
Q

Particle Size Importance
0-10d - _
11-24d - _ _
25-Processing - _ _

A

Crumble
Small Pellets
Large Pellets

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21
Q

High density feed = _ FCR (Better) = more _

A

Lower, Economical

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22
Q

Source of Nutrients for Chicks for 4 days

A

Yolk

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23
Q

Yolk sac moves into _ of chick before hatch

A

Abdomen

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24
Q

Yolk made up of

A

Plant Based CHOs, Protein, Fat, Vit. & Minerals

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25
First bite SI lengthens ___x _ & _ development increase in _ production
600 Villi, Crypt enzyme
26
Absence or delay in feed of chick Check _ fill
Delays development Crop
27
Hatchtech System gives immediate access to _ & _ after hatch
feed and water
28
@ hatch microflora is _ Thriving in _h Well established @_d
Undeveloped 24 14
29
Factors Influencing Gut Bacteria
Nutrition Bird Factors Environment Barn Management
30
Characteristics of Well Conditioned Gut
Efficient digestion & absorption Diverse and thriving microbiome in ceca
31
Poor Gut
Bad bugs thrive Increase in mucus Villi damage Decreased absorbtion Unabsorbed feed, feed bad bugs
32
Dysbiosis
Imbalance in gut microbiota
33
Indicators of Good Gut Health
Pink Gut Surface, Gut Wall Folds over
34
Poor gut health indicators
Inflamed Tissue Haemorrhaging Pore gut tone Lots of mucus
35
Healthy Villi
Long, Skinny, Pink
36
Healthy Crypt
Shallow
37
Factors Impacting Gut Health
Brooding Medications Sudden Feed Changes Biosecurity Stress Temperature Ventilation
38
Gut Friendly Diet
Highly Digestible Ingredients Consistent Composition Monitored for ANFs All-vegetable, plant-based ingredients
39
Types of Additives
Enzymes Antibiotics Probiotics Prebiotics Organic Acids Phytogenic Feed Additives
40
Limitations of Using Alternative Feed Additives
CFIA Regulations
41
Consequences of Variable Nutrient Digestibility
Economic Enteric
42
Types of Medications Preventative (_) Therapeutic (_)
Prophylaxsis Metaphylaxsis
43
Coccidiosis is caused by _
Protozoan parasite
44
Coccidiosis: Protozoan parasite invade _ _ within digestive tract
Multiple Points
45
Coccidiosis: Symptoms
Dehydration Depression Ruffled Feathers Off-feed Bloody Droppings
46
How to preventing Coccidiosis With Medications
Ionophores & Chemicals
47
Types of Ionophores used to prevent coccidiosis
Monensin, Monteban, Maxiban, Avatec, Salinomycin
48
Types of Chemicals used to prevent Coccidiosis
Decox, Clinacox, Amprol
49
Necrotic Enteritis is cause by gram (_) _
+, Clostridium perfringens
50
Necrotic Enteritis: Symptoms
Loose droppings, necrotic lesions, reduced growth rate, poor feed efficiency, high mortality
51
Necrotic Enteritis: Prevention
Bacitracin, Avilamycin, Vaccination
52
3 Gut Management Programs
1. Conventional (CON) 2. No MIA (RWMIA) 3. No antibiotics ever (RWA)
53
_ in vet involvement in canada
Increase
54
Reduction of antibiotic use in Canada and Ontario implemented in
2019
55
Nutritionists Role
Meet nutrient requirements while promoting Efficiency Profitability Sustainability Welfare
56
Producer Prevention Strategies
Efficiency Profitability Sustainability Welfare
57
Ascites (Waterbelly)
Accumulation of fluid in abdominal Caused by poor oxygenation of blood (high metabolic demands of fast growing birds) Not receiving sufficient O2 Puts pressure on heart and lungs Swelling in lower abdomen (Water belly)
58
Sudden Death Syndrome
Cause fully not understood Fast-growing birds more prone
59
Rickets (Leg Abnormalities)
Deficient in D3 Unbalanced Ca:P Ratio Weak bones
60
Dehydration and Starveouts
Unable to get to feed/water Occurs more often during brooding
61
Turtlebacks
High, abnormally rounded back When birds grow too quickly skeletal system can't keep up with muscle growth
62
Woody-Breast Syndrome
High Growth Rate Inadequate blood flow White Striation in Meat Pale, Hard, Rubbery Meat
63

Poultry Nutrition (12 decks)

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