問題一覧
1
What classification are dogs?
Altricial
2
Which point of the growth curve do animals reach 50% mature weight?
3
3
What is the largest energy loss?
faecal loss
4
How much is haulage wilted to?
40%
5
Factors affecting biological efficiency?
Fertility = ability to conceive at repeatable rate, Fecundity = litter size , Breeding frequency, Partuirition problems
6
What this the definition of: animal keep core body temp constant via generation of internal heat (via metabolic processes + thermoregulation)?
Homeothermic endotherms
7
The typical dry matter intake (DMI) of a native UK pony as a percentage of their body weight can be as high as?
4-5%
8
What causes Mg and phosphorous deficieny?
Plants bind as phytates = insoluble salts , Spinach + beet bind as oxylates = insoluble salts
9
Net energy is metalisable energy - what?
SDA
10
Which of these is NOT a reason why neonates are more susceptible to hypothermia?
Lower SA : volume ratio
11
What are early maturing cattle better suited for?
Slow rearing
12
Magnesium deficiency?
Grass staggers in lactating sheep/cows
13
When does protein content of grass increase?
Overcast days
14
Function of quinones?
blood clotting
15
Which of the following is NOT an indirect effect of increased fibre in diet?
16
To feed 2% BWt DMI of haylage (60% DM) or hay (75% DM) to a 500kg horse in a day, calculate the appropriate fresh weight fed?
17kg and 12kg respectively
17
Which of these is NOT a factor affecting stack effect?
Number of animals
18
What is the minimum amount of dietary fibre? (as % of BWt as daily DMI)
1%
19
Which of these are water soluble?
Ascorbic acid
20
What is NOT a characteristic of precocial animals?
greater maternal needs
21
Which grass conservation involves animals moved every 2/3 weeks?
paddock system
22
What this the definition: combination of feed?
Diet
23
The typical dry matter intake (DMI) of a light breed horse as a percentage of their body weight is?
2-2.5%
24
What is a safe rate if weight loss?
1% BWt/week
25
What is NOT a result of decreased fibre in diet?
increased rumination
26
Grass ME?
11 MJ
27
Deficency in calciferol?
Rickets
28
What is the minimum dry matter if forage that must be fed to a 500kh horse?
5kg - 1% of BW
29
What would cause an increase in digestion?
feed preparation
30
What factors cause a decreased appetite?
winter
31
Which of these is NOT a factor affecting TMZ?
Gender
32
What statement is true?
Fasting metabolic rate > basal metabolic rate
33
What is protein as a percentage of nitrogen?
16% N
34
Ideal Ca : P ratio?
2:1
35
What is an example of early maturing breed?
Native british breeds
36
How is lactation curve affected?
Greater number of offspring = produce more milk , Lead feeding = max milk
37
What are teart pastures high in?
Molybdenum
38
What would cause an underestimate in apparent digestability?
faeces contains other components - enzymes/bacteria/dead cells (not only undigested food)
39
Deficiency in tocopherols?
Tying up in horses, Crazy chick disease
40
Grass fibre?
20
41
In a broodmare, what point of the reproductive cycle is twice maintenance DE required?
Early lactation
42
pH of silage?
4.5 - 5
43
What is this definition: energy available to rumen microbes?
Fermenae metabolsable energy (FME)
44
Which of these is not a method of assessing husbandry?
Legal requirements
45
Which of the following is NOT true
Later cut hay makes smaller quantity
46
What has the lowest copper toxicity tolerance?
Sheep
47
Grass CP?
19%
48
What animals have low LCT?
Producing cattle
49
Grass DM?
20
50
How long is silage wilted for?
> 48hrs
51
Which animal diet is most important to include amino acids?
Monogastrics
52
What factors affect dry matter intake (DMI)?
rate of intake, sward height , time spent grazing