First year semester 2 > SHEEEEEEP > Flashcards

SHEEEEEEP Flashcards

(40 cards)

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1
Q

What is the main product of sheep?

A
  1. Meat

2. wool = 5% ewe value. Mainly for welfare: heat stress and fly strike

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2
Q

What is stratification?

A

How we use the breeds (huge in UK, not so much in New Z)

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3
Q

What is furcumnenty?

A

Litter size

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4
Q

What are the typical characteristics of hill and upland sheep

A
  1. Hill = mothering instincts, hardiness, single lamb

2. upland = larger frame (more meat), more likely to have twins

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5
Q

Low land sheep characteristics

A
  1. good mothering,

2. usually cross mother and a pure ram (Suffolk, charolais)

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6
Q

How to increase flock performance (more money per ewe to ram

A 
1. Higher scanning%
= more lambs born
= more lambs reared
2. Higher lamb weights - live and carcass
3. Higher price 
4. Less store lambs (
5. Lower feed cost
6. Lower fixed and variable costs
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7
Q

Housing

a) ewe
b) ewe with lambs
c) weaned lamb

A
  1. 1.2 – 1.4 m2 = ewe
  2. 2.0 – 2.2 m2 = ewe with lambs
  3. 0.8 – 0.9 m2 = weaned lamb
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8
Q

What are legal requirements

A
  1. record all movements
  2. ID before 6/9 months old. Electronic ID = chip in ear tag
    - Single EID if slaughter less than 12 mo
    - full EID (electronic and plastic) if stay more than 12 mo
  3. Record date of ID and death
  4. Annual sheep inventory
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9
Q

Growth rate of lamb first week: DLWG

A
  1. Daily live weight gain = 250-350 grams at peak

2. single lambs grown 80g/ day faster than twins

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10
Q

what do we need to provide for rumen to develop

A
  1. Forage
  2. Water
  3. concentrates
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11
Q

Growth rate of lamb first week: DLWG

A
  1. Daily live weight gain = 250-350 grams at peak
  2. single lambs grown 80g/ day faster than twins
  3. If weaned before 8 weeks = very poor growth
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12
Q

what do we need to provide for rumen to develop

A
  1. Forage
  2. Water
  3. concentrates
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13
Q

Aim for weaning?

A
  1. 12-14 weeks
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14
Q

What is creep feed

A
  1. providing concentrates so that only lambs can get to and no adults
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15
Q

Clinical issues with concentrtes at young age

A
  1. too young = rumen microflora not developed = CCN (gradually introduce), thysis (add salt)
  2. kidney stones
    3.
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16
Q

What are short and medium keep lambs?

A
  1. Lambs 5-7 kg off target weight. Finished on rape, turnips, beet tops
  2. more than 5 kg off = keep for 2-3 months
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17
Q

What are short and medium keep lambs?

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A
  1. Lambs 5-7 kg off target weight. Finished on rape, turnips, beet tops
  2. more than 5 kg off = keep for 2-3 months, grass/ stubble. Finished on root/ arable by-products
18
Q

What is flushing?

Study These Flashcards
A
  1. short extra feeding in run up to breeding to inc twin
19
Q

What is important when tupping for the ewe

Study These Flashcards
A
  1. nutrition must NOT decrease in first 6 weeks post tupping

2. may have ti put out supplementary forage if grass quality decreases

20
Q

Energy requirements for ewe

Study These Flashcards
A
  1. Maintenance = 3% body weight = 2.1 kg dry matter = 10MJ
  2. Last stage of pregnancy = 4 weeks pre partum = 15MJ
  3. Lambing 20MJ
21
Q

Energy requirements for ewe

Study These Flashcards
A
  1. Maintenance = 3% body weight = 2.1 kg dry matter = 10MJ
  2. Last stage of pregnancy = 4 weeks pre partum = 15MJ
  3. Lambing 20MJ - must be maintained while lactating. (inc if triplets)
  4. appetite reduces nearer lambing.
  5. Hay not enough so must have silage or concentrates
22
Q

What is essential for the ewe?

Study These Flashcards
A
  1. Correct nutrition and uptake
  2. body condition score: N
  3. Scan for foetal numbers: N
  4. Teeth: N
  5. Shelter
  6. Trough space
  7. Food during gatherings
23
Q

Sheep terminology

Study These Flashcards
A
  1. Shearling: between its 1st and 2nd shearing
  2. Hogget: (i) young sheep of either gender
    slaughtered before permanent incisors have
    erupted (‘old season lambs’).
    • (ii) a sheep between weaning and its first
    shearing
  3. Gimmer: young female, between 1 to 2 years of
    age, that has not born a lamb
  4. Ram / ewe lamb: male / female young < 1 year old
  5. Wether: castrated male
24
Q

Sheep terminology 2

Study These Flashcards
A
  1. Draft ewe: ewe too old for rough grazing (such
    as moorland), drafted out of the flock to move
    to better grazing on another farm
  2. 2-tooth: sheep with first pair of permanent
    incisors erupted (followed by 4 / 6 / 8 – tooth)
  3. Broken mouth: adult that has lost some or all of
    its incisors (usually over 6 years old)
  4. Hefting: combined instinct & copied behaviour
    in some breeds to stay in small local area,
    therefore no fencing needed. Useful for hill /
    moorland areas.
  5. Tup: uncastrated male, usually used for breeding
25
What is good practise with regards to BCS adn weaning?
Good practice: also assess 8 weeks after lambing --> if thin, wean lambs early. ONE BCS = 10% body weight
26
What is preg toxaemia
1. Long term under feeding 2. Then very little food 3. On paper things can look good so assess quality
27
When is peak lactation for sheep? | Dry matter intake
1. 4 weeks after lamb 2. ME requirement = min 20MJ 3. DMI: single = 2.5 kg, twin = 3kg
28
What si hypocalcaemia
1. occurs either before lambing or after as come up to peak lactation 2. before = growth of fetus rapid in last few weeks. Calcium required to grow fetus 3. Dairy = 24-48 hrs after calf! 4. Sudden change in diet as rumen not adapted 5. Stress
29
What is hypomagnesaemia
1. Mainly lactating dam 2. no Mg storage so unless daily intake, very quickly become low in Mg 3. bad weather, coming towards peak lactation, no eating
30
How to diagnose hypomag or calc?
Clinical signs are very similar, without lab testing = struggle so usually vets/ farmers treat for both
31
Deficiency of Copper =
1. Sway back, poor growth
32
Deficiency of cobalt
Pine, ill thrift, scour
33
Deficiency of iodine
Goitre, poor growth, dec fertility
34
Deficiency of selenium
white msucle disease
35
DEficiency of Vit E
Low vigour
36
Concentrate bucket issues
1. some sheep eat half box | 2. others don't touch
37
Silage issue
1. animal with neurological signs if bale gets listeria = struggle to get pH lwo enough
38
Feeding root crops
1. pregnant ewes 2. if ground freezes sheep can't plough up 3. heavily pregnant animal = very bulky food. Thought it can lead to vaginal prolapse due toxic abdominal pressure
39
Stocking density
1. Lowland: 15 ewes / ha 2. Upland: 12.5 ewes / ha 3. Hill: 1.5 ewes / ha (lower pasture quality)
40
Ram condition score What is the range What do we want
1. BCS ranges from 1- 5 start of breeding want 2. 3.5-4 3. If too low, seamen quality will be bad
First year semester 2
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