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Nutrition

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Quiz on Nutrition, created by Katie G on 17/06/2017.
Katie G
Quiz by Katie G, updated more than 1 year ago
Katie G
Created by Katie G almost 7 years ago
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Resource summary

Question 1

Question
How many essential amino acids are there for fish?
Answer
  • 5
  • 10
  • 15
  • 20

Question 2

Question
Why are proteins/amino acids important for fish performance and health? (Select all)
Answer
  • Somatic Growth
  • Energy source
  • Immune functions
  • Transport of oxygen
  • Hormone production
  • Building blocks of cell membranes
  • Energy transport between various tissues
  • Cofactors in enzyme catalysed reactions
  • Cell membranes and wound healing

Question 3

Question
Why are lipids/fatty acids important for fish performance and health? (Select all)
Answer
  • Somatic Growth
  • Energy source
  • Immune functions
  • Transport of oxygen
  • Hormone production
  • Building blocks of cell membranes
  • Energy transport between various tissues
  • Cofactors in enzyme catalysed reactions
  • Cell membranes and wound healing

Question 4

Question
Why are vitamins and minerals important for fish performance and health? (select all)
Answer
  • Somatic Growth
  • Energy source
  • Immune functions
  • Transport of oxygen
  • Hormone production
  • Building blocks of cell membranes
  • Energy transport between various tissues
  • Cofactors in enzyme catalysed reactions
  • Cell membranes and wound healing

Question 5

Question
Which amino acid deficiency is associated with fish meal?
Answer
  • None
  • Lysine
  • Tryptophan
  • Threonine
  • Methionine

Question 6

Question
Which amino acid deficiency is associated with oilseed proteins sources? (Select all)
Answer
  • None
  • Lysine
  • Tryptophan
  • Threonine
  • Methionine

Question 7

Question
Which amino acid deficiency is associated with Hydrolysed feather meal proteins sources (Select all)?
Answer
  • None
  • Lysine
  • Tryptophan
  • Threonine
  • Methionine

Question 8

Question
Which amino acid deficiency is associated with Algae proteins sources (Select all)?
Answer
  • None
  • Lysine
  • Tryptophan
  • Threonine
  • Methionine

Question 9

Question
Which amino acid deficiency is associated with Fish silage proteins sources? (Select all)
Answer
  • None
  • Lysine
  • Tryptophan
  • Threonine
  • Methionine

Question 10

Question
Which amino acid deficiency is associated with Pulses as proteins sources? (Select all)
Answer
  • None
  • Lysine
  • Tryptophan
  • Methionine
  • Threonine

Question 11

Question
Which amino acid deficiency is associated with plant protein meals? (Select all)
Answer
  • None
  • Lysine
  • Tryptophan
  • Threonine
  • Methionine

Question 12

Question
Which amino acid deficiency is associated with yeast proteins sources(Select all)?
Answer
  • None
  • Lysine
  • Tryptophan
  • Threonine
  • Methionine

Question 13

Question
Which amino acid deficiency is associated with bone and blood meal proteins sources? (Select all)
Answer
  • None
  • Lysine
  • Tryptophan
  • Threonine
  • Methionine

Question 14

Question
Deficiency of Lysine in rainbow trout cause… (select all)
Answer
  • Dorsal/caudal fin erosion
  • Increased mortality
  • Cataracts
  • Scoliosis/lordosis
  • Renal calcinosis

Question 15

Question
Deficiency of lysine in carp causes (select all)
Answer
  • Dorsal/caudal fin erosion
  • Increased mortality
  • Cataracts
  • Scoliosis/lordosis
  • Renal calcinosis

Question 16

Question
Deficiency of Methionine in rainbow trout causes (select all)
Answer
  • Dorsal/caudal fin erosion
  • Increased mortality
  • Cataracts
  • Scoliosis/lordosis
  • Renal calcinosis

Question 17

Question
Deficiency of methionine in atlantic salmon causes (select all)
Answer
  • Dorsal/caudal fin erosion
  • Increased mortality
  • Cataracts
  • Scoliosis/lordosis
  • Renal calcinosis

Question 18

Question
Deficiency in tryptophan in rainbow trout causes (select all)
Answer
  • Dorsal/caudal fin erosion
  • Increased mortality
  • Cataracts
  • Scoliosis/lordosis
  • Renal calcinosis

Question 19

Question
Of the 10 essential amino acids in fish, which appear to be the limiting factor when using alternatives to fish meal?
Answer
  • Arginine
  • Histidine
  • Isoleucine
  • Leucine
  • Valine
  • Lysine
  • Methionine + Cysteine (only counts as one)
  • Phenylalanine
  • Threonine
  • Tryptophane

Question 20

Question
Rainbow trout farm is seeing increased fin erosion and mortalities after switching to an oils seed based diet. Which amino acid deficiency maybe causing this?
Answer
  • Lysine
  • Arginine
  • Histadine
  • Phenylalanine

Question 21

Question
What amount of mercury is harmful for fish?
Answer
  • 0.1 mg/kg
  • 1 mg/kg
  • 5 mg/kg
  • 6 mg/kg

Question 22

Question
What amount of Cadmium is harmful for fish?
Answer
  • 0.1 mg/kg
  • 1 mg/kg
  • 5 mg/kg
  • 6 mg/kg

Question 23

Question
What amount of arsenic is problematic in fish nutrition?
Answer
  • 0.1 mg/kg
  • 1 mg/kg
  • 5 mg/kg
  • 6 mg/kg

Question 24

Question
What amount of Histamine is problematic when considering fish nutrition?
Answer
  • >0.1 mg/kg
  • >1 mg/kg
  • >10 mg/kg
  • >100 mg/kg

Question 25

Question
What amount of dioxins can be problematic when considering fish nutrition?
Answer
  • >2.25 ng/kg
  • >7 ng/kg
  • >0.05 ng/kg
  • >0.01 mg/kg

Question 26

Question
What amount of PCB can be problematic when considering fish nutrition?
Answer
  • >2.25 ng/kg
  • >7 ng/kg
  • >0.05 ng/kg
  • >0.01 mg/kg

Question 27

Question
What amount of DDT can be problematic when considering fish nutrition?
Answer
  • >2.25 ng/kg
  • >7 ng/kg
  • >0.05 ng/kg
  • >0.01 mg/kg

Question 28

Question
What amount of Alfatoxin can be problematic when considering fish nutrition?
Answer
  • >2.25 ng/kg
  • >7 ng/kg
  • >0.05 ng/kg
  • >0.01 mg/kg

Question 29

Question
Everything is going wrong with your rainbow trout, or it feels that way. For some reason you also aquaculture Coho and Chum salmon and Common carp and they all are dying and have problems with their livers. What could be the cause of this?
Answer
  • Vibrio
  • Deficiency of essential fatty acids
  • Deficiency of lysine
  • Deficiency of carbohydrates
  • You also aquaculture brown trout which is well known for their uncanny ability to exploit other fishes’ deepest insecurities. The enlarged liver is from the drinking problem they’ve all acquired due to their subsequent lack of self-esteem.

Question 30

Question
Cyclopropenoic acid is
Answer
  • An essential fatty acid from fish oil
  • A toxic fatty acid from cottonseed products
  • An essential fatty acid missing from cottonseed products
  • A toxic fatty acid from fish oil

Question 31

Question
What causes a reduction of ascorbic acid in feed?
Answer
  • Oxidation
  • High temperatures
  • Light exposure
  • Trace elements
  • Moisture
  • Leaching

Question 32

Question
What causes a reduction of Pantothenic acid in fish feed?
Answer
  • Oxidation
  • Moisture
  • Trace elements
  • High temp
  • light
  • oxidised lipids
  • leaching

Question 33

Question
What causes a reduction of riboflavin in fish feed?
Answer
  • Oxygen
  • Moisture
  • Trace elements
  • High Temperatures
  • Light
  • Oxidised lipids
  • Alkaline conditions

Question 34

Question
What causes the reduction of Thiamine in feed when stored and processed incorrectly?
Answer
  • Oxygen
  • Moisture
  • Trace elements
  • High temperatures
  • Light
  • Oxidised lipids
  • leaching

Question 35

Question
What causes the reduction of pyridoxine in feed when stored and processed incorrectly?
Answer
  • Oxygen
  • Moisture
  • Trace elements
  • High temperatures
  • Light
  • Oxidised lipids

Question 36

Question
What causes the reduction of the vitamin Biotin in feed when stored and processed incorrectly?
Answer
  • Oxygen
  • Moisture
  • Trace elements
  • High temperatures
  • Light
  • Oxidised lipids

Question 37

Question
What causes the reduction of Folic acid in feed when stored and processed incorrectly?
Answer
  • Oxygen
  • Moisture
  • Trace elements
  • High temperatures
  • Light
  • Oxidised lipids

Question 38

Question
What causes the reduction of vitamin E in feed when stored and processed incorrectly?
Answer
  • Oxygen
  • Moisture
  • Trace elements
  • High temperatures
  • Light
  • Oxidised lipids

Question 39

Question
What causes the reduction of in feed when stored and processed incorrectly?
Answer
  • Oxygen
  • Moisture
  • Trace elements
  • High temperatures
  • Light
  • Oxidised lipids

Question 40

Question
You have a salmon, its got renal granulomas, hemoraging etc. Which vitamin is probably deficient ?
Answer
  • Ascorbic acid
  • E
  • D
  • A
  • Choline
  • B12
  • B6

Question 41

Question
You have a salmon, it's got exphthalmia, ascites, clubbed gills, epicarditis etc. Which vitamin is probably deficient?
Answer
  • Ascorbic
  • E
  • D
  • A
  • Choline
  • B6 (pyridoxine)
  • B12

Question 42

Question
How do you overcome the problem of thiaminase in certain raw fish, shellfish, rice polishings, indian mustard seed, mung bean and linseed in fish feed? Also for Anti-vitamin A, E, D in raw soybean and anti-pyridoxine factor in linseed?
Answer
  • Heat processing
  • Increasing pH
  • Decreasing pH
  • Fermentation

Question 43

Question
Which vitamins can accumulate causing hypervitaminosis?
Answer
  • Water soluble vitamins
  • Fat soluble vitamins

Question 44

Question
Which fish are effected by phosphorus deficiency?
Answer
  • Salmonids
  • Carp
  • Eel
  • Catfish
  • Sea bream
  • Sea bass
  • Rainbow trout
  • Atlantic Salmon

Question 45

Question
Which fish are affected by Calcium deficiency?
Answer
  • Salmonids
  • Carp
  • Catfish
  • Eel
  • Sea bream
  • Rainbow trout
  • Sea Bass
  • Atlantic salmon

Question 46

Question
Which fish are commonly affected by magnesium deficiency?
Answer
  • Salmonids
  • Carp
  • Catfish
  • Eel
  • Sea bream
  • Rainbow trout
  • Sea Bass
  • Atlantic salmon

Question 47

Question
Which fish are commonly affected by Iron deficiency?
Answer
  • Salmonids
  • Carp
  • Catfish
  • Eel
  • Sea bream
  • Rainbow trout
  • Sea Bass
  • Atlantic salmon

Question 48

Question
Which fish are commonly affected by Zinc deficiency?
Answer
  • Salmonids
  • Carp
  • Catfish
  • Eel
  • Sea bream
  • Rainbow trout
  • Sea Bass
  • Atlantic salmon

Question 49

Question
Which fish are commonly affected by Manganese deficiency?
Answer
  • Salmonids
  • Carp
  • Catfish
  • Eel
  • Sea bream
  • Rainbow trout
  • Sea Bass
  • Atlantic salmon

Question 50

Question
Which fish are commonly affected by selenium deficiency?
Answer
  • Salmonids
  • Carp
  • Catfish
  • Eel
  • Sea bream
  • Rainbow trout
  • Sea Bass
  • Atlantic salmon

Question 51

Question
Mineral deficiency sign: Reduced growth, poor FCR, bone demineralisation, skeletal deformity, abnormal calcification of ribs and soft rays of pectoral fins, cranial deformity, increased visceral fat are symptoms of a deficiency in?
Answer
  • Phosphorus
  • Calcium
  • Magnesium
  • Iron
  • Zinc
  • Manganese
  • Selenium

Question 52

Question
Deficiency of what mineral causes anorexia, poor growth and poor feed efficiency?
Answer
  • Phosphorus
  • Calcium
  • Magnesium
  • Iron
  • Zinc
  • Manganese
  • Selenium

Question 53

Question
Deficiency in what mineral causes reduced growth, sluggishness, anorexia, convulsions, high mortality, reduced bone magnesium content and cataracts?
Answer
  • Phosphorus
  • Calcium
  • Magnesium
  • Iron
  • Zinc
  • Manganese
  • Selenium

Question 54

Question
Deficiency in what mineral causes reduced growth, cataracts, loss of appetite, mortality, erosion of fins and skins, poor wound healing.
Answer
  • Phosphorus
  • Calcium
  • Magnesium
  • Iron
  • Zinc
  • Manganese
  • Selenium

Question 55

Question
What is perivisceral fat?
Answer
  • Fat around the visceral
  • Fat between the peritoneum and the muscle
  • Fat in the muscles
  • Fat in your mamma

Question 56

Question
What is hepatic fat?
Answer
  • Fat around the viscera
  • fat between the peritoneum and the muscle
  • Fat in the muscle
  • Fat in the liver

Question 57

Question
What is peritoneal fat?
Answer
  • Fat around the viscera
  • Fat between the peritoneum and the muscle
  • Fat in the muscles
  • Fat in the liver

Question 58

Question
What factors must be considered when you are adapting a diet aimed at reducing muscle fat?
Answer
  • Dietary fat
  • Dietary protein
  • Diet quantity
  • Species
  • Age
  • Consequences on peritoneal/visceral fat

Question 59

Question
Finish diets have varying degrees of success depending on ...
Answer
  • Fish size
  • Initial diet
  • Species
  • All of the above (or around... the order will shift)

Question 60

Question
How much EPA/DHA did EFSA claim that sea bass/bream contains per 100g?
Answer
  • 1.2g
  • 1.5g
  • 0.62g
  • 0.83g

Question 61

Question
Contrary to EFSA's claims, how much EPA and DHA does a 100g sea bass/bream fillet contain?
Answer
  • 1.2g
  • 1.5g
  • 0.62g
  • 0.83g

Question 62

Question
Positives of fasting include..
Answer
  • Empty intestines
  • Low metabolic activity
  • Less fat deposits - better product appearance
  • better storage
  • Firmer muscle (short term fasting)
  • Increase in ω3:ω6 ratio
  • Longer time to rigor mortis

Question 63

Question
Negatives of fasting
Answer
  • Weight loss
  • Stress
  • Poor post-mortem quality
  • lower nutritional quality
  • Poor product appearance
  • Increase in rate of fat oxidation in storage

Question 64

Question
What is Astaxanthin used for
Answer
  • Antibiotics
  • Probiotics
  • Pigmentation
  • Prebiotics
  • Anti-oxidant

Question 65

Question
A low feeding ration leads to a longer shape. This has a greater affect on shape than genetics.
Answer
  • True
  • False

Question 66

Question
How does short term starvation effect fish texture?
Answer
  • Firmer muscles
  • Reduced muscle firmness
  • Increase in muscle moisture and sweating
  • Stickier muscle

Question 67

Question
How does long-term starvation effect fish texture?
Answer
  • Firmer muscle
  • Reduced muscle firmness
  • Increase in muscle moisture and sweating
  • Stickier muscle

Question 68

Question
How does high rearing temperature impact muscle texture?
Answer
  • Firmer muscle
  • Softer, less elastic muscle
  • Increase in muscle moisture and sweating
  • Stickier muscle

Question 69

Question
How does high fish meal substitution impact muscle texture
Answer
  • Firmer muscle
  • Reduced muscle firmness
  • Increase in muscle moisture and sweating
  • Stickier muscle

Question 70

Question
How does increased dietary taurine (amino acid) affect muscle texture?
Answer
  • firmer muscle
  • Reduced muscle firmness
  • Increase in muscle moisture and sweating
  • stickier muscle (IVE WRITTEN THIS TOO MANY TIMES NOT TO KNOW WHAT IT REALLY MEANS)

Question 71

Question
Which form of tocopherol (anti-oxidant) is preferred for salmon?
Answer
  • γ
  • δ
  • α

Question 72

Question
Why is α-tocopherol the preferred anti-oxidant over its γ and δ forms in Atlantic salmon aquaculture
Answer
  • Metabolised and secreted at a slower rate
  • Better anti-oxidant
  • Cheaper
  • More appetising

Question 73

Question
Fish meal replacement by plant meals causes what affect on rigor-mortis onset time?
Answer
  • Time to full rigor-mortis goes from 2h to 5h
  • Time to full rigor-mortis goes from 5h to 2h
  • Time to full rigor-mortis goes from 1h to 2h
  • Time to full rigor-mortis goes from 5h to 10h

Question 74

Question
Increasing dietary fat causes...
Answer
  • Increases in fillet gaping
  • Decreases in fillet gaping
  • No effect on fillet gaping

Question 75

Question
Where do dioxins come from?
Answer
  • Industrial by-products, produced through organic heating
  • Coolants fluids
  • Industrial produced to stop flame spreads
  • Pesticides
  • Plant raw materials

Question 76

Question
Where do DDTs come from?
Answer
  • Industrial by-products, produced through organic heating
  • Coolant fluids
  • Industrial produced to stop flame spreading
  • Pesticides
  • Plant raw materials

Question 77

Question
Where do cyclodienes come from?
Answer
  • Industrial by-products, produced through organic heating
  • Coolant fluids
  • Industrial produced to stop flame spreads
  • Pesticides
  • Plant raw materials

Question 78

Question
Where do hexachlorocyclohexanes come from?
Answer
  • Industrial by-products, produced through organic heating
  • Coolant fluids
  • Industrial produced to stop flame spreads
  • Pesticides
  • Plant raw materials

Question 79

Question
Where does toxaphene come from?
Answer
  • Industrial by-products, produced through organic heating
  • Coolant fluids
  • Industrial produced to stop flame spreads
  • Pesticides
  • Plant raw materials

Question 80

Question
Where does mirex come from?
Answer
  • Industrial by-products, produced through organic heating
  • Coolant fluids
  • Industrial produced to stop flame spreads
  • Pesticides
  • Plant raw materials

Question 81

Question
Lower hydrophobicity of pollutant means higher probability of dietary carry over
Answer
  • True
  • False

Question 82

Question
Fish from the Atlantic have lower POPs
Answer
  • True
  • False

Question 83

Question
how to reduce POPs in fish feed?
Answer
  • Select fish oils from species with naturally lower levels of POPs
  • Use alternative feed ingredients
  • Remove POPs
  • Introduce POP antagonists
  • Finishing diets
  • Fasting before harvest
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