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