sheep Flashcards
when are the 6 moments that a farmer should check BCS of his sheep?
- 6w before tupping
- mid-pregnancy
- late pregnancy
- lambing
- 8 weeks post lambing
- weaning
out of the 6 moments a farmer should check the BCS of his sheep, when is it most critical?
weaning
are the BCS targets different between hill, upland and lowland sheep?
yes
what should an hill sheep BCS be at tupping?
2.5
what should an lowland sheep BCS be at tupping?
3.5
what should an upland sheep BCS be at tupping?
3
when is a sheep at is highest BCS?
tupping
when is a sheep at is lowest BCS?
at weaning
a hill breed sheep will have a BCS that goes between
2- 2.5
if a ewe has a BCS <3 at weaning, what should you do?
if not regained within a month of weaning, the ewe should be culled
what is the BCS number?
2
what is the BCS number?
4
what is the BCS number?
5
what processes are you trying to feel when palpating the sheep for a BCS?
the horizontal and vertical processes
what is the BCS score of this sheep? why?
why do we do BCS scoring in sheep? what are the benefits:?
- higher weaning weights
- reduced ewe mortality
- production of more colostrum and milk
- improved fertility so higher scanning and weaning percentage
where is the back do you perform a BCS for sheep? why dont you do it visually?
lumbar region
fleece makes it difficult!
the horizontal process is part of the..
short ribs
the vertical processes is part of the …
spine
The final step is to assess the … and its cover by
pressing the fingers into the area between the vertical and
horizontal processes
eye muscle
Ewes in the wrong condition at tupping can endure problems
such as…
- Coming into oestrus slowly or erratically
- Foetal reabsorption
- Low lambing %
why may we not want to have a BCS of 3 for hill ewes at tupping?
more likely to have twins which is not desirable for these breeds
Sheep can be aged by looking at which teeth?
permanent incisors
what do the temporary teeth look like for a sheep compared to the permanent incisor teeth
shorter and narrower
when a ewe loses some of her incisors this is known as…
broken mouth
sheep can only be aged up to… yo
3.5-4 yo
How old is this sheep?
0-12months
How old is this sheep?
1 pair of erupting teeth
12-18 months
How old is this sheep?
1 pair of erupting teeth
12-18 months
How old is this sheep?
2 pairs of erupting teeth-
21-26months
How old is this sheep?
2 pairs of erupting teeth-
21-26months
How old is this sheep?
2 pairs of erupting teeth-
21-26months (2yrs)
How old is this sheep?
2 pairs of erupting teeth-
21-26months (2yrs)
How old is this sheep?
5+ years
How old is this sheep?
2 yo
How old is this sheep?
3 yo *3 pairs of teeth
How old is this sheep?
4 pairs of permanent teeth- 4 yo
How old is this sheep?
4 pairs of permanent teeth- 4 yo
How old is this sheep?
4 yo
How old is this sheep?
4 pairs of permanent teeth
4yo
How old is this sheep?
starting to get long in the tooth
- normally 5 yo
How old is this sheep?
starting to get long in the tooth
- normally 5 yo
How old is this sheep?
- broken mouth
- usually 5+ yo
if a sheep has 0 permanent incisors, it is a ..
lamb
a sheep that has 4 permanent incisors is what age?
2 pairs
1.5-2 yo
a sheep that has 8 permanent incisors is
4 pairs
3-4 yo
a sheep that has 6 permanent incisors is
3 pairs
2.5-3 yo
a sheep that has 2 permanent incisors is
1 pair
1y-1.5yo
where do you give a SQ injection on a sheep?
behind ear, on neck
where do you give IM injections on a sheep , apart from the rump (mainly ab)? (sheep)
neck area- beware jugular vein, nuchal ligament
If you have a large volume to inject into a sheep (ie calcium), SQ where do you inject?
over the rib cage
what criteria to think of during a consult?
- animal/group
- todays pb
- past history
- lifestyle, environment, management
how do you hold a chicken?
- like this
- support the keel bone
you extend the chicken wings like this
during a chicken exam, what other thing should you extend?
the leg should be extended back
important parts in a chicken physical exam
- look at face,, check wattle and comb
- check neck for any signs of feather pecking
- check wing, and then underneath the wing
- check skin to see any signs of red mites
- extend leg back to check for pododermatis, scaly mites
- check cloaca is nice and clean
- check other side
normal body temp of a cow
38-39
Rumen Turnover rate
3 contractions in 2 min
normal pulse rate in a cow
60-80 beats per minute
what is this and what is it for?
it is a famatcha score chart, colour of the mm of the third eyelid allows us to assess her perfusion
where is the lungfield on a sheep?
just behind the shoulder/scapula
normal RR for a sheep
20-30 breaths per minute
Normal hr of a sheep
70-90 beats per minutes
how many rumen contractions in a sheep
same as a cow
2 contractions in 3 min
what is the vet feeling for here?
pre-femoral lymph node