9345356
Questão 1
Questão
How many essential amino acids are there for fish?
Responda
-
5
-
10
-
15
-
20
Questão 2
Questão
Why are proteins/amino acids important for fish performance and health? (Select all)
Responda
-
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
Questão 3
Questão
Why are lipids/fatty acids important for fish performance and health? (Select all)
Responda
-
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
Questão 4
Questão
Why are vitamins and minerals important for fish performance and health? (select all)
Responda
-
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
Questão 5
Questão
Which amino acid deficiency is associated with fish meal?
Responda
-
None
-
Lysine
-
Tryptophan
-
Threonine
-
Methionine
Questão 6
Questão
Which amino acid deficiency is associated with oilseed proteins sources? (Select all)
Responda
-
None
-
Lysine
-
Tryptophan
-
Threonine
-
Methionine
Questão 7
Questão
Which amino acid deficiency is associated with Hydrolysed feather meal proteins sources (Select all)?
Responda
-
None
-
Lysine
-
Tryptophan
-
Threonine
-
Methionine
Questão 8
Questão
Which amino acid deficiency is associated with Algae proteins sources (Select all)?
Responda
-
None
-
Lysine
-
Tryptophan
-
Threonine
-
Methionine
Questão 9
Questão
Which amino acid deficiency is associated with Fish silage proteins sources? (Select all)
Responda
-
None
-
Lysine
-
Tryptophan
-
Threonine
-
Methionine
Questão 10
Questão
Which amino acid deficiency is associated with Pulses as proteins sources? (Select all)
Responda
-
None
-
Lysine
-
Tryptophan
-
Methionine
-
Threonine
Questão 11
Questão
Which amino acid deficiency is associated with plant protein meals? (Select all)
Responda
-
None
-
Lysine
-
Tryptophan
-
Threonine
-
Methionine
Questão 12
Questão
Which amino acid deficiency is associated with yeast proteins sources(Select all)?
Responda
-
None
-
Lysine
-
Tryptophan
-
Threonine
-
Methionine
Questão 13
Questão
Which amino acid deficiency is associated with bone and blood meal proteins sources? (Select all)
Responda
-
None
-
Lysine
-
Tryptophan
-
Threonine
-
Methionine
Questão 14
Questão
Deficiency of Lysine in rainbow trout cause… (select all)
Responda
-
Dorsal/caudal fin erosion
-
Increased mortality
-
Cataracts
-
Scoliosis/lordosis
-
Renal calcinosis
Questão 15
Questão
Deficiency of lysine in carp causes (select all)
Responda
-
Dorsal/caudal fin erosion
-
Increased mortality
-
Cataracts
-
Scoliosis/lordosis
-
Renal calcinosis
Questão 16
Questão
Deficiency of Methionine in rainbow trout causes (select all)
Responda
-
Dorsal/caudal fin erosion
-
Increased mortality
-
Cataracts
-
Scoliosis/lordosis
-
Renal calcinosis
Questão 17
Questão
Deficiency of methionine in atlantic salmon causes (select all)
Responda
-
Dorsal/caudal fin erosion
-
Increased mortality
-
Cataracts
-
Scoliosis/lordosis
-
Renal calcinosis
Questão 18
Questão
Deficiency in tryptophan in rainbow trout causes (select all)
Responda
-
Dorsal/caudal fin erosion
-
Increased mortality
-
Cataracts
-
Scoliosis/lordosis
-
Renal calcinosis
Questão 19
Questão
Of the 10 essential amino acids in fish, which appear to be the limiting factor when using alternatives to fish meal?
Responda
-
Arginine
-
Histidine
-
Isoleucine
-
Leucine
-
Valine
-
Lysine
-
Methionine + Cysteine (only counts as one)
-
Phenylalanine
-
Threonine
-
Tryptophane
Questão 20
Questão
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?
Responda
-
Lysine
-
Arginine
-
Histadine
-
Phenylalanine
Questão 21
Questão
What amount of mercury is harmful for fish?
Responda
-
0.1 mg/kg
-
1 mg/kg
-
5 mg/kg
-
6 mg/kg
Questão 22
Questão
What amount of Cadmium is harmful for fish?
Responda
-
0.1 mg/kg
-
1 mg/kg
-
5 mg/kg
-
6 mg/kg
Questão 23
Questão
What amount of arsenic is problematic in fish nutrition?
Responda
-
0.1 mg/kg
-
1 mg/kg
-
5 mg/kg
-
6 mg/kg
Questão 24
Questão
What amount of Histamine is problematic when considering fish nutrition?
Responda
-
>0.1 mg/kg
-
>1 mg/kg
-
>10 mg/kg
-
>100 mg/kg
Questão 25
Questão
What amount of dioxins can be problematic when considering fish nutrition?
Responda
-
>2.25 ng/kg
-
>7 ng/kg
-
>0.05 ng/kg
-
>0.01 mg/kg
Questão 26
Questão
What amount of PCB can be problematic when considering fish nutrition?
Responda
-
>2.25 ng/kg
-
>7 ng/kg
-
>0.05 ng/kg
-
>0.01 mg/kg
Questão 27
Questão
What amount of DDT can be problematic when considering fish nutrition?
Responda
-
>2.25 ng/kg
-
>7 ng/kg
-
>0.05 ng/kg
-
>0.01 mg/kg
Questão 28
Questão
What amount of Alfatoxin can be problematic when considering fish nutrition?
Responda
-
>2.25 ng/kg
-
>7 ng/kg
-
>0.05 ng/kg
-
>0.01 mg/kg
Questão 29
Questão
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?
Responda
-
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.
Questão 30
Questão
Cyclopropenoic acid is
Responda
-
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
Questão 31
Questão
What causes a reduction of ascorbic acid in feed?
Responda
-
Oxidation
-
High temperatures
-
Light exposure
-
Trace elements
-
Moisture
-
Leaching
Questão 32
Questão
What causes a reduction of Pantothenic acid in fish feed?
Responda
-
Oxidation
-
Moisture
-
Trace elements
-
High temp
-
light
-
oxidised lipids
-
leaching
Questão 33
Questão
What causes a reduction of riboflavin in fish feed?
Responda
-
Oxygen
-
Moisture
-
Trace elements
-
High Temperatures
-
Light
-
Oxidised lipids
-
Alkaline conditions
Questão 34
Questão
What causes the reduction of Thiamine in feed when stored and processed incorrectly?
Responda
-
Oxygen
-
Moisture
-
Trace elements
-
High temperatures
-
Light
-
Oxidised lipids
-
leaching
Questão 35
Questão
What causes the reduction of pyridoxine in feed when stored and processed incorrectly?
Responda
-
Oxygen
-
Moisture
-
Trace elements
-
High temperatures
-
Light
-
Oxidised lipids
Questão 36
Questão
What causes the reduction of the vitamin Biotin in feed when stored and processed incorrectly?
Responda
-
Oxygen
-
Moisture
-
Trace elements
-
High temperatures
-
Light
-
Oxidised lipids
Questão 37
Questão
What causes the reduction of Folic acid in feed when stored and processed incorrectly?
Responda
-
Oxygen
-
Moisture
-
Trace elements
-
High temperatures
-
Light
-
Oxidised lipids
Questão 38
Questão
What causes the reduction of vitamin E in feed when stored and processed incorrectly?
Responda
-
Oxygen
-
Moisture
-
Trace elements
-
High temperatures
-
Light
-
Oxidised lipids
Questão 39
Questão
What causes the reduction of in feed when stored and processed incorrectly?
Responda
-
Oxygen
-
Moisture
-
Trace elements
-
High temperatures
-
Light
-
Oxidised lipids
Questão 40
Questão
You have a salmon, its got renal granulomas, hemoraging etc. Which vitamin is probably deficient ?
Responda
-
Ascorbic acid
-
E
-
D
-
A
-
Choline
-
B12
-
B6
Questão 41
Questão
You have a salmon, it's got exphthalmia, ascites, clubbed gills, epicarditis etc. Which vitamin is probably deficient?
Responda
-
Ascorbic
-
E
-
D
-
A
-
Choline
-
B6 (pyridoxine)
-
B12
Questão 42
Questão
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?
Responda
-
Heat processing
-
Increasing pH
-
Decreasing pH
-
Fermentation
Questão 43
Questão
Which vitamins can accumulate causing hypervitaminosis?
Responda
-
Water soluble vitamins
-
Fat soluble vitamins
Questão 44
Questão
Which fish are effected by phosphorus deficiency?
Responda
-
Salmonids
-
Carp
-
Eel
-
Catfish
-
Sea bream
-
Sea bass
-
Rainbow trout
-
Atlantic Salmon
Questão 45
Questão
Which fish are affected by Calcium deficiency?
Responda
-
Salmonids
-
Carp
-
Catfish
-
Eel
-
Sea bream
-
Rainbow trout
-
Sea Bass
-
Atlantic salmon
Questão 46
Questão
Which fish are commonly affected by magnesium deficiency?
Responda
-
Salmonids
-
Carp
-
Catfish
-
Eel
-
Sea bream
-
Rainbow trout
-
Sea Bass
-
Atlantic salmon
Questão 47
Questão
Which fish are commonly affected by Iron deficiency?
Responda
-
Salmonids
-
Carp
-
Catfish
-
Eel
-
Sea bream
-
Rainbow trout
-
Sea Bass
-
Atlantic salmon
Questão 48
Questão
Which fish are commonly affected by Zinc deficiency?
Responda
-
Salmonids
-
Carp
-
Catfish
-
Eel
-
Sea bream
-
Rainbow trout
-
Sea Bass
-
Atlantic salmon
Questão 49
Questão
Which fish are commonly affected by Manganese deficiency?
Responda
-
Salmonids
-
Carp
-
Catfish
-
Eel
-
Sea bream
-
Rainbow trout
-
Sea Bass
-
Atlantic salmon
Questão 50
Questão
Which fish are commonly affected by selenium deficiency?
Responda
-
Salmonids
-
Carp
-
Catfish
-
Eel
-
Sea bream
-
Rainbow trout
-
Sea Bass
-
Atlantic salmon
Questão 51
Questão
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?
Responda
-
Phosphorus
-
Calcium
-
Magnesium
-
Iron
-
Zinc
-
Manganese
-
Selenium
Questão 52
Questão
Deficiency of what mineral causes anorexia, poor growth and poor feed efficiency?
Responda
-
Phosphorus
-
Calcium
-
Magnesium
-
Iron
-
Zinc
-
Manganese
-
Selenium
Questão 53
Questão
Deficiency in what mineral causes reduced growth, sluggishness, anorexia, convulsions, high mortality, reduced bone magnesium content and cataracts?
Responda
-
Phosphorus
-
Calcium
-
Magnesium
-
Iron
-
Zinc
-
Manganese
-
Selenium
Questão 54
Questão
Deficiency in what mineral causes reduced growth, cataracts, loss of appetite, mortality, erosion of fins and skins, poor wound healing.
Responda
-
Phosphorus
-
Calcium
-
Magnesium
-
Iron
-
Zinc
-
Manganese
-
Selenium
Questão 55
Questão
What is perivisceral fat?
Responda
-
Fat around the visceral
-
Fat between the peritoneum and the muscle
-
Fat in the muscles
-
Fat in your mamma
Questão 56
Questão
What is hepatic fat?
Responda
-
Fat around the viscera
-
fat between the peritoneum and the muscle
-
Fat in the muscle
-
Fat in the liver
Questão 57
Questão
What is peritoneal fat?
Responda
-
Fat around the viscera
-
Fat between the peritoneum and the muscle
-
Fat in the muscles
-
Fat in the liver
Questão 58
Questão
What factors must be considered when you are adapting a diet aimed at reducing muscle fat?
Responda
-
Dietary fat
-
Dietary protein
-
Diet quantity
-
Species
-
Age
-
Consequences on peritoneal/visceral fat
Questão 59
Questão
Finish diets have varying degrees of success depending on ...
Responda
-
Fish size
-
Initial diet
-
Species
-
All of the above (or around... the order will shift)
Questão 60
Questão
How much EPA/DHA did EFSA claim that sea bass/bream contains per 100g?
Responda
-
1.2g
-
1.5g
-
0.62g
-
0.83g
Questão 61
Questão
Contrary to EFSA's claims, how much EPA and DHA does a 100g sea bass/bream fillet contain?
Responda
-
1.2g
-
1.5g
-
0.62g
-
0.83g
Questão 62
Questão
Positives of fasting include..
Responda
-
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
Questão 63
Questão
Negatives of fasting
Responda
-
Weight loss
-
Stress
-
Poor post-mortem quality
-
lower nutritional quality
-
Poor product appearance
-
Increase in rate of fat oxidation in storage
Questão 64
Questão
What is Astaxanthin used for
Responda
-
Antibiotics
-
Probiotics
-
Pigmentation
-
Prebiotics
-
Anti-oxidant
Questão 65
Questão
A low feeding ration leads to a longer shape. This has a greater affect on shape than genetics.
Responda
- True
- False
Questão 66
Questão
How does short term starvation effect fish texture?
Responda
-
Firmer muscles
-
Reduced muscle firmness
-
Increase in muscle moisture and sweating
-
Stickier muscle
Questão 67
Questão
How does long-term starvation effect fish texture?
Responda
-
Firmer muscle
-
Reduced muscle firmness
-
Increase in muscle moisture and sweating
-
Stickier muscle
Questão 68
Questão
How does high rearing temperature impact muscle texture?
Responda
-
Firmer muscle
-
Softer, less elastic muscle
-
Increase in muscle moisture and sweating
-
Stickier muscle
Questão 69
Questão
How does high fish meal substitution impact muscle texture
Responda
-
Firmer muscle
-
Reduced muscle firmness
-
Increase in muscle moisture and sweating
-
Stickier muscle
Questão 70
Questão
How does increased dietary taurine (amino acid) affect muscle texture?
Responda
-
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)
Questão 71
Questão
Which form of tocopherol (anti-oxidant) is preferred for salmon?
Responda
-
γ
-
δ
-
α
Questão 72
Questão
Why is α-tocopherol the preferred anti-oxidant over its γ and δ forms in Atlantic salmon aquaculture
Responda
-
Metabolised and secreted at a slower rate
-
Better anti-oxidant
-
Cheaper
-
More appetising
Questão 73
Questão
Fish meal replacement by plant meals causes what affect on rigor-mortis onset time?
Responda
-
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
Questão 74
Questão
Increasing dietary fat causes...
Responda
-
Increases in fillet gaping
-
Decreases in fillet gaping
-
No effect on fillet gaping
Questão 75
Questão
Where do dioxins come from?
Responda
-
Industrial by-products, produced through organic heating
-
Coolants fluids
-
Industrial produced to stop flame spreads
-
Pesticides
-
Plant raw materials
Questão 76
Questão
Where do DDTs come from?
Responda
-
Industrial by-products, produced through organic heating
-
Coolant fluids
-
Industrial produced to stop flame spreading
-
Pesticides
-
Plant raw materials
Questão 77
Questão
Where do cyclodienes come from?
Responda
-
Industrial by-products, produced through organic heating
-
Coolant fluids
-
Industrial produced to stop flame spreads
-
Pesticides
-
Plant raw materials
Questão 78
Questão
Where do hexachlorocyclohexanes come from?
Responda
-
Industrial by-products, produced through organic heating
-
Coolant fluids
-
Industrial produced to stop flame spreads
-
Pesticides
-
Plant raw materials
Questão 79
Questão
Where does toxaphene come from?
Responda
-
Industrial by-products, produced through organic heating
-
Coolant fluids
-
Industrial produced to stop flame spreads
-
Pesticides
-
Plant raw materials
Questão 80
Questão
Where does mirex come from?
Responda
-
Industrial by-products, produced through organic heating
-
Coolant fluids
-
Industrial produced to stop flame spreads
-
Pesticides
-
Plant raw materials
Questão 81
Questão
Lower hydrophobicity of pollutant means higher probability of dietary carry over
Responda
- True
- False
Questão 82
Questão
Fish from the Atlantic have lower POPs
Responda
- True
- False
Questão 83
Questão
how to reduce POPs in fish feed?
Responda
-
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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