Katie G
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Quiz on Nutrition, created by Katie G on 17/06/2017.

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Nutrition

Question 1 of 83

1

How many essential amino acids are there for fish?

Select one of the following:

  • 5

  • 10

  • 15

  • 20

Explanation

Question 2 of 83

1

Why are proteins/amino acids important for fish performance and health? (Select all)

Select one or more of the following:

  • 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

Explanation

Question 3 of 83

1

Why are lipids/fatty acids important for fish performance and health? (Select all)

Select one or more of the following:

  • 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

Explanation

Question 4 of 83

1

Why are vitamins and minerals important for fish performance and health? (select all)

Select one or more of the following:

  • 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

Explanation

Question 5 of 83

1

Which amino acid deficiency is associated with fish meal?

Select one of the following:

  • None

  • Lysine

  • Tryptophan

  • Threonine

  • Methionine

Explanation

Question 6 of 83

1

Which amino acid deficiency is associated with oilseed proteins sources? (Select all)

Select one or more of the following:

  • None

  • Lysine

  • Tryptophan

  • Threonine

  • Methionine

Explanation

Question 7 of 83

1

Which amino acid deficiency is associated with Hydrolysed feather meal proteins sources (Select all)?

Select one or more of the following:

  • None

  • Lysine

  • Tryptophan

  • Threonine

  • Methionine

Explanation

Question 8 of 83

1

Which amino acid deficiency is associated with Algae proteins sources (Select all)?

Select one of the following:

  • None

  • Lysine

  • Tryptophan

  • Threonine

  • Methionine

Explanation

Question 9 of 83

1

Which amino acid deficiency is associated with Fish silage proteins sources? (Select all)

Select one or more of the following:

  • None

  • Lysine

  • Tryptophan

  • Threonine

  • Methionine

Explanation

Question 10 of 83

1

Which amino acid deficiency is associated with Pulses as proteins sources? (Select all)

Select one or more of the following:

  • None

  • Lysine

  • Tryptophan

  • Methionine

  • Threonine

Explanation

Question 11 of 83

1

Which amino acid deficiency is associated with plant protein meals? (Select all)

Select one or more of the following:

  • None

  • Lysine

  • Tryptophan

  • Threonine

  • Methionine

Explanation

Question 12 of 83

1

Which amino acid deficiency is associated with yeast proteins sources(Select all)?

Select one or more of the following:

  • None

  • Lysine

  • Tryptophan

  • Threonine

  • Methionine

Explanation

Question 13 of 83

1

Which amino acid deficiency is associated with bone and blood meal proteins sources? (Select all)

Select one or more of the following:

  • None

  • Lysine

  • Tryptophan

  • Threonine

  • Methionine

Explanation

Question 14 of 83

1

Deficiency of Lysine in rainbow trout cause… (select all)

Select one or more of the following:

  • Dorsal/caudal fin erosion

  • Increased mortality

  • Cataracts

  • Scoliosis/lordosis

  • Renal calcinosis

Explanation

Question 15 of 83

1

Deficiency of lysine in carp causes (select all)

Select one or more of the following:

  • Dorsal/caudal fin erosion

  • Increased mortality

  • Cataracts

  • Scoliosis/lordosis

  • Renal calcinosis

Explanation

Question 16 of 83

1

Deficiency of Methionine in rainbow trout causes (select all)

Select one or more of the following:

  • Dorsal/caudal fin erosion

  • Increased mortality

  • Cataracts

  • Scoliosis/lordosis

  • Renal calcinosis

Explanation

Question 17 of 83

1

Deficiency of methionine in atlantic salmon causes (select all)

Select one or more of the following:

  • Dorsal/caudal fin erosion

  • Increased mortality

  • Cataracts

  • Scoliosis/lordosis

  • Renal calcinosis

Explanation

Question 18 of 83

1

Deficiency in tryptophan in rainbow trout causes (select all)

Select one or more of the following:

  • Dorsal/caudal fin erosion

  • Increased mortality

  • Cataracts

  • Scoliosis/lordosis

  • Renal calcinosis

Explanation

Question 19 of 83

1

Of the 10 essential amino acids in fish, which appear to be the limiting factor when using alternatives to fish meal?

Select one or more of the following:

  • Arginine

  • Histidine

  • Isoleucine

  • Leucine

  • Valine

  • Lysine

  • Methionine + Cysteine (only counts as one)

  • Phenylalanine

  • Threonine

  • Tryptophane

Explanation

Question 20 of 83

1

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?

Select one of the following:

  • Lysine

  • Arginine

  • Histadine

  • Phenylalanine

Explanation

Question 21 of 83

1

What amount of mercury is harmful for fish?

Select one of the following:

  • 0.1 mg/kg

  • 1 mg/kg

  • 5 mg/kg

  • 6 mg/kg

Explanation

Question 22 of 83

1

What amount of Cadmium is harmful for fish?

Select one of the following:

  • 0.1 mg/kg

  • 1 mg/kg

  • 5 mg/kg

  • 6 mg/kg

Explanation

Question 23 of 83

1

What amount of arsenic is problematic in fish nutrition?

Select one of the following:

  • 0.1 mg/kg

  • 1 mg/kg

  • 5 mg/kg

  • 6 mg/kg

Explanation

Question 24 of 83

1

What amount of Histamine is problematic when considering fish nutrition?

Select one of the following:

  • >0.1 mg/kg

  • >1 mg/kg

  • >10 mg/kg

  • >100 mg/kg

Explanation

Question 25 of 83

1

What amount of dioxins can be problematic when considering fish nutrition?

Select one of the following:

  • >2.25 ng/kg

  • >7 ng/kg

  • >0.05 ng/kg

  • >0.01 mg/kg

Explanation

Question 26 of 83

1

What amount of PCB can be problematic when considering fish nutrition?

Select one of the following:

  • >2.25 ng/kg

  • >7 ng/kg

  • >0.05 ng/kg

  • >0.01 mg/kg

Explanation

Question 27 of 83

1

What amount of DDT can be problematic when considering fish nutrition?

Select one of the following:

  • >2.25 ng/kg

  • >7 ng/kg

  • >0.05 ng/kg

  • >0.01 mg/kg

Explanation

Question 28 of 83

1

What amount of Alfatoxin can be problematic when considering fish nutrition?

Select one of the following:

  • >2.25 ng/kg

  • >7 ng/kg

  • >0.05 ng/kg

  • >0.01 mg/kg

Explanation

Question 29 of 83

1

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?

Select one of the following:

  • 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.

Explanation

Question 30 of 83

1

Cyclopropenoic acid is

Select one of the following:

  • 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

Explanation

Question 31 of 83

1

What causes a reduction of ascorbic acid in feed?

Select one or more of the following:

  • Oxidation

  • High temperatures

  • Light exposure

  • Trace elements

  • Moisture

  • Leaching

Explanation

Question 32 of 83

1

What causes a reduction of Pantothenic acid in fish feed?

Select one or more of the following:

  • Oxidation

  • Moisture

  • Trace elements

  • High temp

  • light

  • oxidised lipids

  • leaching

Explanation

Question 33 of 83

1

What causes a reduction of riboflavin in fish feed?

Select one or more of the following:

  • Oxygen

  • Moisture

  • Trace elements

  • High Temperatures

  • Light

  • Oxidised lipids

  • Alkaline conditions

Explanation

Question 34 of 83

1

What causes the reduction of Thiamine in feed when stored and processed incorrectly?

Select one or more of the following:

  • Oxygen

  • Moisture

  • Trace elements

  • High temperatures

  • Light

  • Oxidised lipids

  • leaching

Explanation

Question 35 of 83

1

What causes the reduction of pyridoxine in feed when stored and processed incorrectly?

Select one or more of the following:

  • Oxygen

  • Moisture

  • Trace elements

  • High temperatures

  • Light

  • Oxidised lipids

Explanation

Question 36 of 83

1

What causes the reduction of the vitamin Biotin in feed when stored and processed incorrectly?

Select one or more of the following:

  • Oxygen

  • Moisture

  • Trace elements

  • High temperatures

  • Light

  • Oxidised lipids

Explanation

Question 37 of 83

1

What causes the reduction of Folic acid in feed when stored and processed incorrectly?

Select one or more of the following:

  • Oxygen

  • Moisture

  • Trace elements

  • High temperatures

  • Light

  • Oxidised lipids

Explanation

Question 38 of 83

1

What causes the reduction of vitamin E in feed when stored and processed incorrectly?

Select one or more of the following:

  • Oxygen

  • Moisture

  • Trace elements

  • High temperatures

  • Light

  • Oxidised lipids

Explanation

Question 39 of 83

1

What causes the reduction of in feed when stored and processed incorrectly?

Select one or more of the following:

  • Oxygen

  • Moisture

  • Trace elements

  • High temperatures

  • Light

  • Oxidised lipids

Explanation

Question 40 of 83

1

You have a salmon, its got renal granulomas, hemoraging etc. Which vitamin is probably deficient ?

Select one or more of the following:

  • Ascorbic acid

  • E

  • D

  • A

  • Choline

  • B12

  • B6

Explanation

Question 41 of 83

1

You have a salmon, it's got exphthalmia, ascites, clubbed gills, epicarditis etc. Which vitamin is probably deficient?

Select one of the following:

  • Ascorbic

  • E

  • D

  • A

  • Choline

  • B6 (pyridoxine)

  • B12

Explanation

Question 42 of 83

1

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?

Select one of the following:

  • Heat processing

  • Increasing pH

  • Decreasing pH

  • Fermentation

Explanation

Question 43 of 83

1

Which vitamins can accumulate causing hypervitaminosis?

Select one of the following:

  • Water soluble vitamins

  • Fat soluble vitamins

Explanation

Question 44 of 83

1

Which fish are effected by phosphorus deficiency?

Select one or more of the following:

  • Salmonids

  • Carp

  • Eel

  • Catfish

  • Sea bream

  • Sea bass

  • Rainbow trout

  • Atlantic Salmon

Explanation

Question 45 of 83

1

Which fish are affected by Calcium deficiency?

Select one or more of the following:

  • Salmonids

  • Carp

  • Catfish

  • Eel

  • Sea bream

  • Rainbow trout

  • Sea Bass

  • Atlantic salmon

Explanation

Question 46 of 83

1

Which fish are commonly affected by magnesium deficiency?

Select one or more of the following:

  • Salmonids

  • Carp

  • Catfish

  • Eel

  • Sea bream

  • Rainbow trout

  • Sea Bass

  • Atlantic salmon

Explanation

Question 47 of 83

1

Which fish are commonly affected by Iron deficiency?

Select one or more of the following:

  • Salmonids

  • Carp

  • Catfish

  • Eel

  • Sea bream

  • Rainbow trout

  • Sea Bass

  • Atlantic salmon

Explanation

Question 48 of 83

1

Which fish are commonly affected by Zinc deficiency?

Select one or more of the following:

  • Salmonids

  • Carp

  • Catfish

  • Eel

  • Sea bream

  • Rainbow trout

  • Sea Bass

  • Atlantic salmon

Explanation

Question 49 of 83

1

Which fish are commonly affected by Manganese deficiency?

Select one or more of the following:

  • Salmonids

  • Carp

  • Catfish

  • Eel

  • Sea bream

  • Rainbow trout

  • Sea Bass

  • Atlantic salmon

Explanation

Question 50 of 83

1

Which fish are commonly affected by selenium deficiency?

Select one or more of the following:

  • Salmonids

  • Carp

  • Catfish

  • Eel

  • Sea bream

  • Rainbow trout

  • Sea Bass

  • Atlantic salmon

Explanation

Question 51 of 83

1

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?

Select one of the following:

  • Phosphorus

  • Calcium

  • Magnesium

  • Iron

  • Zinc

  • Manganese

  • Selenium

Explanation

Question 52 of 83

1

Deficiency of what mineral causes anorexia, poor growth and poor feed efficiency?

Select one of the following:

  • Phosphorus

  • Calcium

  • Magnesium

  • Iron

  • Zinc

  • Manganese

  • Selenium

Explanation

Question 53 of 83

1

Deficiency in what mineral causes reduced growth, sluggishness, anorexia, convulsions, high mortality, reduced bone magnesium content and cataracts?

Select one of the following:

  • Phosphorus

  • Calcium

  • Magnesium

  • Iron

  • Zinc

  • Manganese

  • Selenium

Explanation

Question 54 of 83

1

Deficiency in what mineral causes reduced growth, cataracts, loss of appetite, mortality, erosion of fins and skins, poor wound healing.

Select one of the following:

  • Phosphorus

  • Calcium

  • Magnesium

  • Iron

  • Zinc

  • Manganese

  • Selenium

Explanation

Question 55 of 83

1

What is perivisceral fat?

Select one of the following:

  • Fat around the visceral

  • Fat between the peritoneum and the muscle

  • Fat in the muscles

  • Fat in your mamma

Explanation

Question 56 of 83

1

What is hepatic fat?

Select one of the following:

  • Fat around the viscera

  • fat between the peritoneum and the muscle

  • Fat in the muscle

  • Fat in the liver

Explanation

Question 57 of 83

1

What is peritoneal fat?

Select one of the following:

  • Fat around the viscera

  • Fat between the peritoneum and the muscle

  • Fat in the muscles

  • Fat in the liver

Explanation

Question 58 of 83

1

What factors must be considered when you are adapting a diet aimed at reducing muscle fat?

Select one or more of the following:

  • Dietary fat

  • Dietary protein

  • Diet quantity

  • Species

  • Age

  • Consequences on peritoneal/visceral fat

Explanation

Question 59 of 83

1

Finish diets have varying degrees of success depending on ...

Select one of the following:

  • Fish size

  • Initial diet

  • Species

  • All of the above (or around... the order will shift)

Explanation

Question 60 of 83

1

How much EPA/DHA did EFSA claim that sea bass/bream contains per 100g?

Select one of the following:

  • 1.2g

  • 1.5g

  • 0.62g

  • 0.83g

Explanation

Question 61 of 83

1

Contrary to EFSA's claims, how much EPA and DHA does a 100g sea bass/bream fillet contain?

Select one of the following:

  • 1.2g

  • 1.5g

  • 0.62g

  • 0.83g

Explanation

Question 62 of 83

1

Positives of fasting include..

Select one or more of the following:

  • 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

Explanation

Question 63 of 83

1

Negatives of fasting

Select one or more of the following:

  • Weight loss

  • Stress

  • Poor post-mortem quality

  • lower nutritional quality

  • Poor product appearance

  • Increase in rate of fat oxidation in storage

Explanation

Question 64 of 83

1

What is Astaxanthin used for

Select one or more of the following:

  • Antibiotics

  • Probiotics

  • Pigmentation

  • Prebiotics

  • Anti-oxidant

Explanation

Question 65 of 83

1

A low feeding ration leads to a longer shape. This has a greater affect on shape than genetics.

Select one of the following:

  • True
  • False

Explanation

Question 66 of 83

1

How does short term starvation effect fish texture?

Select one or more of the following:

  • Firmer muscles

  • Reduced muscle firmness

  • Increase in muscle moisture and sweating

  • Stickier muscle

Explanation

Question 67 of 83

1

How does long-term starvation effect fish texture?

Select one or more of the following:

  • Firmer muscle

  • Reduced muscle firmness

  • Increase in muscle moisture and sweating

  • Stickier muscle

Explanation

Question 68 of 83

1

How does high rearing temperature impact muscle texture?

Select one or more of the following:

  • Firmer muscle

  • Softer, less elastic muscle

  • Increase in muscle moisture and sweating

  • Stickier muscle

Explanation

Question 69 of 83

1

How does high fish meal substitution impact muscle texture

Select one or more of the following:

  • Firmer muscle

  • Reduced muscle firmness

  • Increase in muscle moisture and sweating

  • Stickier muscle

Explanation

Question 70 of 83

1

How does increased dietary taurine (amino acid) affect muscle texture?

Select one or more of the following:

  • 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)

Explanation

Question 71 of 83

1

Which form of tocopherol (anti-oxidant) is preferred for salmon?

Select one of the following:

  • γ

  • δ

  • α

Explanation

Question 72 of 83

1

Why is α-tocopherol the preferred anti-oxidant over its γ and δ forms in Atlantic salmon aquaculture

Select one of the following:

  • Metabolised and secreted at a slower rate

  • Better anti-oxidant

  • Cheaper

  • More appetising

Explanation

Question 73 of 83

1

Fish meal replacement by plant meals causes what affect on rigor-mortis onset time?

Select one of the following:

  • 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

Explanation

Question 74 of 83

1

Increasing dietary fat causes...

Select one of the following:

  • Increases in fillet gaping

  • Decreases in fillet gaping

  • No effect on fillet gaping

Explanation

Question 75 of 83

1

Where do dioxins come from?

Select one of the following:

  • Industrial by-products, produced through organic heating

  • Coolants fluids

  • Industrial produced to stop flame spreads

  • Pesticides

  • Plant raw materials

Explanation

Question 76 of 83

1

Where do DDTs come from?

Select one of the following:

  • Industrial by-products, produced through organic heating

  • Coolant fluids

  • Industrial produced to stop flame spreading

  • Pesticides

  • Plant raw materials

Explanation

Question 77 of 83

1

Where do cyclodienes come from?

Select one of the following:

  • Industrial by-products, produced through organic heating

  • Coolant fluids

  • Industrial produced to stop flame spreads

  • Pesticides

  • Plant raw materials

Explanation

Question 78 of 83

1

Where do hexachlorocyclohexanes come from?

Select one of the following:

  • Industrial by-products, produced through organic heating

  • Coolant fluids

  • Industrial produced to stop flame spreads

  • Pesticides

  • Plant raw materials

Explanation

Question 79 of 83

1

Where does toxaphene come from?

Select one of the following:

  • Industrial by-products, produced through organic heating

  • Coolant fluids

  • Industrial produced to stop flame spreads

  • Pesticides

  • Plant raw materials

Explanation

Question 80 of 83

1

Where does mirex come from?

Select one of the following:

  • Industrial by-products, produced through organic heating

  • Coolant fluids

  • Industrial produced to stop flame spreads

  • Pesticides

  • Plant raw materials

Explanation

Question 81 of 83

1

Lower hydrophobicity of pollutant means higher probability of dietary carry over

Select one of the following:

  • True
  • False

Explanation

Question 82 of 83

1

Fish from the Atlantic have lower POPs

Select one of the following:

  • True
  • False

Explanation

Question 83 of 83

1

how to reduce POPs in fish feed?

Select one or more of the following:

  • 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

Explanation

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