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