43. Deviations of the hindlimbs and clinical management in cattle. Flashcards
Deviations of hindlimbs and clinical managemnet in cattle?
Deviations of the Hind-limbs and Clinical Management in Cattle
- hock flexion posture
- hip flexion posture
Characteristics?
Characteristics:
More difficult to reposition
Needs more space
Needs more external power
Should me corrected fast to avoid asphyxia (lack of oxygen)
Hock flexion posture?
1.Hock Flexion Posture
The hock of the hind leg is flexed
In first calving heifers this is very difficult to resolve
Types: advanced, invaded, jammed in, or wedged in
Occurrence: no difference between species
Diagnosis: easy to recognise, should be differentiated from hip flexion; of the tuber calcaneus lays under the pecten
Ossis pubis
Prognosis: good-in advanced type of hock flexion, if the foetus is small and legs are short, if amniotic fluid is present
Doubtful/bad- if hock is stuck in the pelvic cavity (foals
Treatment of hock flexion?
NB= Do NOT extract without reposition
Treatment:
A.non bloody method
First the foetus should be pushed back; by hand only (protection with the hand, lifting vertically or a bit oblique),
Jöhnks snare loop (only in calves)
Kühns crutch (foals only)
If the hock lays under the pecten; dam should be places in dorsal recumbency and the hind part should be elevated
In small foal’s hip flexion should be initiated
Su, ca – easy manual or instrumental reposition is possible
Ca-episiotomy; incision from perineum to the posterior vaginal wall
B. bloody fetotomy; under tarsus, dead calves
Hip flexion posture?
2.Hip Flexion Posture
Hip is flexed, lying under the abdomen
Occurrence: mostly in calves but also occurs in other species
Diagnosis: easy to recognise of two sided
Foals; sacral lumbal area before the pelvic inlet
Calves; pelvic area on the pecten
Treatment of hip flexion?
Treatment:
A.non bloody method
• Extraction without reposition; with Saake-lumbal snare loop, if the foetus is small (twins), early abortion or
warm-blooded foals
- In large foetuses reposition can be risky
- If reposition takes place, it should be done in two steps
Ø Inducing hock flexion; manually (hand on distal part of tibia), obstetrical chains or snares
Ø Solving hock flexion
B. bloody methods
- Obermeyers anal hook
- Krey Shöttler double hook
- Partial fetotomy – oblique cutting line, contra lateral pelvic part involved. removal of just the hindlimb is no
help