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Animal Husbandry > Sheep Husbandry > Flashcards

Sheep Husbandry Flashcards

1
Q

When do you ultrasound sheep

A

60-90 days into gestation

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2
Q

Name the:
BFLxCheviot
BFLxSwaledale
BFLxBlackface

A

Cheviot mule
Mule
Scottish mule

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3
Q

What is the ideal slaughter age & body condition score for Fat Lambs

A

4 months & 4 (40kg)

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4
Q

What age do their teeth come through

A

1yr3mnth
1yr9mnth
2yr3mnth
2yr9mnth

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5
Q

What is:
Border Lxcheviot
Border LxBlackface
Border LxWelsh Mountain

A

Scottish halfbred
Grey face
Welsh halfbred

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6
Q

What is:

Wensleydale/teeswaterxswaledale

A

Masham

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7
Q

Mountain breeds

A

Swaledale
Blackface
Welsh Mountain
Rough Fell

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8
Q

Hill breeds

A

Lleyn
Cheviot
Kerry Hill

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9
Q

Longwool

A

Wensleydale
Teeswater
BFL
Border Leicester

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10
Q

Terminal Sires/Downs

A 
Suffolk
Texel
Beltex
Hampshire/Oxford/south down
Charolais
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11
Q

Mountain breed qualities

A

Hardy
Good mother
Min input
Fairly closed flock - less disease spread risk

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12
Q

Long wool qualities

A

Prolificacy
Milk production
Frame size

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13
Q

Terminal sire qualities

A

Carcase conformation

Rapid growth

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14
Q

Gestation Period

A

147 days

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15
Q

When do you wean

A

12-16wks

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16
Q

Slaughter age for short keep store lambs

A

9mnth

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17
Q

Slaughter age for long keep store lambs

A

12mnth

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18
Q

1st mating

A

6mnth ewe lamb

18mnth gimmer

19
Q

Which sheep type has the longest breeding window

A

Lowland (longer, earlier season - dorsets all yr round)

Hill (short, Nov/Dec)

20
Q

Oestrus cycle length

A

17 days

21
Q

Tups & ewes together for

A

2 cycles

22
Q

Tup:ewe ratio

A

1: 50
1: 20 (single sire)
1: 10 (synced ewes)

23
Q

Ideal scan %

A

Hill: 110-120
Lowland: 220-230

24
Q

+ve indoor lambing

A 
Protect from weather
Low hyperthermia risk for lambs
Close supervision possible
Can lamb early
Pasture recovers
25
Q

-ve indoor

A

High labour req
Incr disease risk
Provide feed, water, bed

26
Q

+ve outdoor

A

Low labour req
Decr disease risk
Low expenditure
Low fixed costs

27
Q

-ve outdoors

A 
Incr starvation/hyperthermia risk
Less supervision
Dystocia losses
Later lambing ltd
Uses pasture
28
Q

Lamb growth rate

A

300g/day (milk main E source for 1st month)

29
Q

What occurs in early summer

A

Shearing (reduce fly strike)

Parasitic gastroenteritis

30
Q

What is fly strike

A

Blowfly eggs hatch into larvae in soiled fleece. Damage skin & underlying tissue. Affects production
Control w/ sagging, shearing, dips

31
Q

PGE (parasitic gastroenteritis)

A

Abomasal & intestinal nematode infection.
Control w/ wormers, grazing strategies, breeding resilient, bio active forage, good nutrition (high PRO diet - less eggs/larvae shed)

32
Q

What happens in weaning

A

Lambs: move onto best forage-foggage (silage aftermath) not before 2 mnth

Ewes: unproductive/unlikely to lamb nxt yr culled

33
Q

What happens in autumn

A 
Scab control - dipping, injections) 
Liver fluke control
Pre-breeding management - flushing
Soundness exams of tups 
Tupping
34
Q

What is flushing

A

Incr nutrition for ewe pre-tupping to incr ovulation rate - incr twinning

Not needed if ewes in good condition

35
Q

What happens in spring

A

Lambing (usually)

36
Q

Country with most sheep in world

A

China

37
Q

Country with most sheep in EU

A

UK

38
Q

Where sheep are found in high concs

A

Mountainous areas, eg Pennines, Lake District

39
Q

What is the stratified system

A

Hill breed up high
Draft ewes (from hill) move to mid height and x with long wool tup to produce 1/2 breeds
1/2 breed ewes x with terminal sire to produce fat lambs

40
Q

What is a draft ewe

A

Hill ewe that has had a few lambs up high & is moved down when she would struggle with the high conditions for an easier/more managed last few lambing seasons

41
Q

What chemical is very toxic to sheep

A

Cu

42
Q

What breed is particularly sensitive to Cu

A

Texel

Muscly sheep particularly

43
Q

What elements do sheep need

A

Selenium

Calcium

Animal Husbandry (9 decks)

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