9423752
Descrição
Quiz por Freya Robinson, atualizado more than 1 year ago
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Criado por Freya Robinson
aproximadamente 7 anos atrás
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Questão 1
Questão
What is a type 1 error?
Responda
-
Rejecting the true null hypothesis. False positive
-
Not rejecting the false null hypothesis. False Negative
Questão 2
Questão
Statistical power depends on?
Responda
-
Sample Size
-
Size of Specimens
-
Effect Size
-
Background Variation
-
Pseudo-replication
-
Significant level
Questão 3
Questão
What are the 8 steps of Feed and Food Processing?
Responda
-
Search, Detection, Decision, Orientation, Pursuit, Attack, Capture, Ingestion
-
Search, Decision, Detection, Orientation, Pursuit, Attack, Capture, Ingestion
-
Search, Detection, Decision, Pursuit, Orientation, Attack, Capture, Ingestion
-
Search, Detection, Decision, Orientation, Pursuit, Capture, Attack, Ingestion
Questão 4
Questão
In Aquaculture, what are some of the parameters that can effect feeding behavior?
Responda
-
Temp, Salinity, Light Intensity etc
-
Smell, loud music, wind speed etc
-
turbidity, sex ratio, health etc
Questão 5
Questão
A fish with high levels of Cones in their eyes and feeds during the day would be?
Responda
-
Mesotopic
-
Scotopic
-
Photopic
Questão 6
Questão
A scotopic fish has which characteristic?
Responda
-
High number of cones
-
High number of rods
Questão 7
Questão
Ghrelin is an orexogenic neurohormone that is stimulated in the hypothalamic.
Responda
- True
- False
Questão 8
Questão
Which of the following are Orexigenic Neurohormones?
Responda
-
Ghrelin
-
Melanocotrine (POMC)
-
Galanin
-
Agouti-regulated protien
-
BBS - bombesin
-
CCK - gastrin
-
Melanin concentrating hormone (MHC)
-
NPY
Questão 9
Questão
Which of the following are Anorexigenic neurohormones stimulated by the brain?
Responda
-
CCK - gastrin
-
Melanocortine
-
CART
-
Bombesin
-
Leptin
-
Glucogen like peptide - GLP-1
-
Tachykinins
-
CRF
Questão 10
Questão
What does Ghrelin Control?
Responda
-
Homeostasis and consumption of food
-
Coloration and Consumption of food
-
Homeostasis and Coloration
-
All
Questão 11
Questão
Where is NPY stimulated?
Responda
-
Hypothalamus
-
Stomach
-
Nervous system
-
Pancreas
-
Digestive Canal
-
Liver
Questão 12
Questão
Galanin is produced in the brain and pituitary tissues?
Responda
- True
- False
Questão 13
Questão
BBS is produced where?
Responda
-
Central nervous system
-
pancreas
-
Cardiovascular system
-
Liver
-
Spleen
-
Brain
-
Digestive Canal
Questão 14
Questão
CART interacts with which neurohormones?
Responda
-
CRF
-
Galanin
-
MCH
-
NPY
-
Orexins
-
Agouti-regulated protien
-
Leptin
Questão 15
Questão
Ultradian Cycles are composed of more than one cycle per 24 hours?
Responda
- True
- False
Questão 16
Questão
Circadian Cycles are composed of 2 cycles per 24 hours?
Responda
- True
- False
Questão 17
Questão
Infradian cycles are composed of less than one cycle per 24 hours?
Responda
- True
- False
Questão 18
Questão
A digestive system composing of a large stomach an small intestine belongs to ...
Responda
-
Omnivore
-
Carnivore
-
Herbivore
-
Insectivore
Questão 19
Questão
A digestive system composing of a large stomach and a large intestine would belong to what?
Responda
-
Herbivore
-
Carnivore
-
Omnivore
Questão 20
Questão
Anticipatory feeding behaviour characteristics include;
Responda
-
Feeding anticipatory activity gradual appearance.
-
Feeding anticipatory activity mostly appeared during food deprivation.
-
Detected only after several feeding cycles.
-
Disappeared during ad libitum feeding.
-
The restricted feeding increase the possibility for the fish to express food-anticipatory activity.
-
All of the Above
Questão 21
Questão
Signs of anticipatory feeding behavior include;
Responda
-
Swimming activity
-
Aggression
-
Lever-pressing behavior (if self fed)
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Shyness
-
Agnostic Behavior
-
Swimming and feeding activity rhythms are strongly influenced by feeding method.
Questão 22
Questão
Synchronizing stimuli for feeding entrainment
Responda
-
Meal size and composition
-
Attractiveness of person feeding
-
Energy content
-
Food restriction
-
Hormone melatonin
-
Tank colouration
Questão 23
Questão
Feed Efficiency = wet weight / dry feed weight ?
Responda
- True
- False
Questão 24
Questão
FCR = Dry feed weight / wet weight gain ?
Responda
- True
- False
Questão 25
Questão
Protein efficiency ratio = 100 x (wet weight gain/ crude protein intake) ?
Responda
- True
- False
Questão 26
Responda
-
Feed Fish
-
Feed Losses
-
Wt Gain
-
Feed gain ratio
-
Feed Supply
Questão 27
Questão
Net protein ratio = (N gain in fish - N loss) / N Intake
Responda
- True
- False
Questão 28
Questão
For every 1g of oxygen consumed, how many Kj of energy expenditure is recieved?
Responda
-
14
-
12.7
-
13.6
-
11
Questão 29
Questão
Direct method for quantifying digestibility is: control of feed intake & collection of faecal losses corresponding to the amount eaten
Responda
- True
- False
Questão 30
Questão
An inert marker for indirect quantification of digestibility must be:
Responda
-
Without any physiological or behavioral effects
-
neither absorbed or metabolised
-
small
-
an appropriate color
-
easily and rapidly measured
Questão 31
Questão
Indirect method of digestibility sampling relies on collection of representative samples of faeces. how is this done?
Responda
-
Stripping/abdominal pressure
-
Collecting faeces from bottom of tank
-
Dissection
-
Anal Suction
Questão 32
Questão
Digestion variation: methodological factors to take into account
Responda
-
Number of replicates
-
frequency of feed distribution
-
Palatibility
-
Adaptation time of fish
-
Fish size
-
Water temperature
-
pH and salinity
-
Ingestion levels
Questão 33
Questão
Excess amino acids are stored in tissues in the body
Responda
- True
- False
Questão 34
Questão
Different forms of Ammoniagenesis
Responda
-
Uricolysis
-
Ureagenesis
-
Purine Nucleotide breakdown
-
Amino acid catabolism: deamination and transdeamination
Questão 35
Questão
Different forms of Ureagenesis
Responda
-
Ornithine Urine Cycle
-
Purine nucleotide breakdown
-
Arginine Breakdown
-
Uricolysis
-
Amino acid deamination
Questão 36
Responda
-
Uric Acid
-
Allantoin
-
Allantoic acid
-
Urea and glyoxil acid
-
NH3
Questão 37
Questão
Forms of N excretion in Vertebrates
Responda
-
Uric Acid
-
Uricotelic
-
Ammoniotelic
-
Urea
-
Ureotelic
Questão 38
Responda
-
Growth
-
Body Protein
-
FAA Pool
-
Oxidation/Catabolism
Questão 39
Questão
This isn't even a question... just look at it....
The answer is: Nutrition is lame
Image:
Image (image/png)
Responda
-
Nutrition is lame
Questão 40
Responda
-
Faeces
-
Absorption
-
Oxidation
-
Synthesis
-
Amino Acids
Questão 41
Questão
Poor carb utilization in fish can lead to an intolerance to glucose, why?
Responda
-
Poor feed quality
-
Low insulin release
-
Feed the wrong size
-
Low number of insulin receptors in muscle
-
Absence of glucose transporters in muscle
-
Not enough starch
-
Poor regulation of hepatic glucose metabolism
Questão 42
Questão
20:5(n-3) is what?
Responda
-
DHA
-
Oleic acid
-
EPA
-
Linoleique
Questão 43
Questão
22:6(n-3) is what?
Responda
-
Linolenique
-
EPA
-
DHA
-
Palmitic
Questão 44
Questão
Fat soluble Vitamins are?
Responda
-
A
-
B6
-
C
-
D
-
E
-
B12
-
K
Questão 45
Questão
Sites of synthesis and deposition for lipogenesis
Responda
-
Spleen and Liver
-
Liver and adipose tissue
-
Muscle and organs
-
Liver and Muscle
Questão 46
Questão
Protein Sources in fish feed
Responda
-
Marine hydrolisates
-
Starch
-
Animal processed by-products
-
Plant meals
-
Animal Fat
-
Fish meals
Questão 47
Questão
Lipid sources in fish feeds
Responda
-
Marine oils - fish, krill etc
-
Cereals
-
Rapeseed, sunflower, soy
Questão 48
Questão
Problems with soybean include:
Responda
-
High Price
-
Low in Met and Lys
-
Post-extrusion fat absorption
-
High ANFs
Questão 49
Questão
Protein plant sources: processing benefits
Responda
-
Better palatibility
-
Faster Sinking Rate
-
More expansion potential for floating diets
-
Reduced ingredient costs
-
Applicable at higher temps
-
More binding potential for improved durability
Questão 50
Questão
Characteristics of single celled proteins
Responda
-
Can consist of bacteria, yeasts, other fungi or algae
-
Low Price
-
Low in Met and Cys
-
Efficient process of eliminating nucleic acid as uric acid
Questão 51
Questão
Starch is an important nutritional source in fish and provides expansion and improves binding and pellet durability
Responda
- True
- False
Questão 52
Questão
The general problem with pigmentation in feed is the low retention rates
Responda
- True
- False
Questão 53
Questão
Ways to reduce suspended matter?
Responda
-
Better AA availability
-
Changing feeding methods and strategies
-
Higher P sources
-
Quality of feed ingredients
Questão 54
Questão
Factors affecting voluntary feed intake:
Responda
-
Pigmentation
-
Temperature
-
Palatability
-
Fish Size
Questão 55
Questão
How to reduce N losses?
Responda
-
Adapt feed distribution to fish appetite
-
Choose proper protein sources to obtain an ideal dietary amino acid profile
-
Make pellets float better
-
Optimize phosphorus levels
Questão 56
Questão
How to reduce phosphorus losses?
Responda
-
Increase excess dietary P
-
Feed distribution should match fish appetite
-
Use dietary ingredients with high P bio-availability
-
Increase binders
Questão 57
Questão
Potential problems for implementing IMTA to reduce nutrients
Responda
-
Fish might escape and eat other species
-
Legal issues with different species in one location etc
-
Shellfish cannot take up organic nutrients
-
Seaweed isn't edible
Questão 58
Questão
Of the 176 differently expressed genes, how many are involved in metabolism?
Responda
-
60%
-
52%
-
48%
-
57%
Questão 59
Questão
Flesh lipid content, flesh n3 LC PUFA is found to be a highly heritable trait
Responda
- True
- False
Questão 60
Questão
Arriana overall objectives:
Responda
-
Reduce the overall cost of aquaculture production
-
Develop sustainable alternative aquaculture feeds while reducing FM and FO
-
To increase palatibility of feeds for European species
-
To provide flexibility in the use of various ingredients in the formulation of feeds
Questão 61
Questão
Reduction of fish meal and fish oil in feeds have no trans-generational effects
Responda
- True
- False
Questão 62
Questão
Early feeding exposure can lead to changes in phenotype of adult fish
Responda
- True
- False
Questão 63
Questão
We can prepare fish for novel feeds by Induction and persistency of an altered nutritional phenotype and exposure to a nutritional stimuli at early life stages of high metabolic plasticity
Responda
- True
- False
Questão 64
Questão
Problems with increasing the use of "omics" technologies
Responda
-
quantifying responses is difficult at the biological level
-
Comparisons between species / studies are difficult
-
Studies to separate the effects of specific nutrients from those due to ingredients themselves are needed
Questão 65
Questão
Reliable biomarkers are needed for:
Responda
-
Increasing palatability
-
Growth, Feed utilization / Nutrient utilization efficiency
-
Monitoring the effects of temperature on feed
-
Analysis of biological consequences
Questão 66
Responda
-
Endogenous Losses
-
Maintenance
-
Max Growth
Questão 67
Responda
-
Feed Loss
-
Metabolic Loss
-
Faecal loss
Questão 68
Questão
How to calculate growth prediction based on water temperature and body size in Shrimp
Responda
-
Calculate specific daily growth rate
-
Evaluate Thermal Unit Growth Coefficient
-
Predict weight gain
-
Guess
-
Other factors such as genotype, husbandry practices and feed quality
Questão 69
Questão
Problems with shrimp nutrition
Responda
-
Affects pigmentation negatively
-
Our knowledge on nutrient requirements limited
-
Shrimp don't like the taste
-
Feed technology and feeding strategies need further refinement
-
Need to reduce the pressure on marine ingredients
Questão 70
Questão
Benefits of using information technology in aquaculture
Responda
-
Product looks better
-
Lower Production costs
-
Data can be shared with other companies
-
Improved operational efficiency
-
Improved product quality
Questão 71
Questão
Benefits of Data Mining
Responda
-
Have data for immediate use
-
Transform data into knowledge, and use this knowledge to improve efficiency and increase profitability.
-
Models are based on historical data so very accurate
-
Helps companies to identify systematic relationships
Questão 72
Responda
-
Andreas
-
Dimos
Questão 73
Questão
Assumptions of absolute growth rate AGR = (Wt-Wi) / t
Responda
-
AGR is the same regardless of fish size
-
Linear relationship between weight and time
-
Allows comparisons between treatments with fish of different initial sizes
-
Assumes that fish weight increases exponentially
Questão 74
Questão
Assumptions of relative growth rate RGR = ((Wt-Wi) / Wi) x 100
Responda
-
Assumes that fish weight increases exponentially
-
The length (L) - weight (W) relationship is W ∝ L3
-
Restricted to the length of time for which it was computed and cannot easily be converted to another time period
-
Allows comparisons between treatments with fish of different initial sizes
Questão 75
Questão
Assumptions of specific growth rate SGR = ((lnWt - lnWi) / t) x 100
Responda
-
Is the same regardless of fish size.
-
Assumes that fish weight increases exponentially – useful for reporting the growth of small fish
-
Restricted to the length of time for which it was computed and cannot easily be converted to another time period
Questão 76
Responda
-
Is the same regardless of fish size.
-
Growth in length is constant over time (i.e. L increases linearly over time).
-
Assumes that fish weight increases exponentially
-
The length (L) - weight (W) relationship is W ∝ L3
Questão 77
Responda
-
Allows comparisons between treatments with fish of different initial sizes
-
Similar to DGC
-
Can be used to make predictions about how big a fish would be at different temperatures
-
Linear relationship between weight and time
-
Growth increases in a steady and predictable manner with increasing temperature
Questão 78
Questão
What is the Von Bertalanffy growth function ?
Responda
-
Image:Image (image/png)
-
Image:Image (image/png)
-
Image:Image (image/png)
-
Image:Image (image/png)
Questão 79
Responda
-
Structure
-
Reproductive
Questão 80
Responda
-
Feeding
-
Defecation
-
Assimilation
-
Growth
-
Development / Reproduction
Questão 81
Questão
Principles of experimental design include
Responda
-
Size
-
Replication
-
Pseudo-replication
-
Blinding
-
Randomization
-
Transparency
-
Controls
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