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11 Cards in this Set
- Front
- Back
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BBSE: Describe the points to look out for and the parameters for motility , morphology and scrotal size.
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Physical examination
•locomotion •conformation •injury or deformity •genitals •temperament Semen evaluation •motility –50% •morphology -> 70% •wave motion •density |
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What does serving capacity test evaluate?
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Serving capacity test
•ability to mount •achieve intromission •ejaculate •20 minutes •S,M,C or V •4+ very high capacity •0-1 low capacity |
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Describe bull management all year round.
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•Vaccinations
-5/1 -leptospirosis -vibriosis -pestivirus -ephemeral fever (location specific) •mate in condition score 3 •drench –Macrocyclic Lactone •use younger bulls if possible •check each year prior to mating (no SCT unless worried) •feed well after mating |
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What are the 4 criterias for bull sexual maturity?
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British breed yearling bulls will generally be sexually mature if they
•are well grown •are in good condition (fat score of high 2 or low 3) •are 12 months of age or older •have a scrotal circumference of 32 cm or more at 12–14 months. |
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What is essential diagnostic workup for sudden death in cattle?
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Necropsy
•vital for diagnosis –as soon as possible •take multiple fresh and fixed samples •sample the lesion if there is one •always collect brain •take photos |
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What are the 6 clostrial diseases?
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•Cl. chauvoei –blackleg
•Cl. tetani –tetanus •Cl. botulinum –botulism •Cl. perfringens –enterotoxaemia •Cl. novyi –black disease •Cl. septicum –malignant oedema |
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describe the clinical signs of tetanus 6
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•neurotoxin cause
-muscular stiffness -mild bloat -protrusion of third eyelid -muscular tetany -respiratory paralysis -death |
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LIst clinical signs of botulism
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•latent period is 12hr to 2 weeks
•down cows of sudden death •peracute–ingested toxin and sudden death •acute -ascending paralysis -jaw muscles, hindquarters, forequarters -recumbency -bradycardia -respiratory or cardiac paralysis |
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What are the clinical signs for black disease?
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Cl. novyi
•peracute fatal toxaemia •confined to areas with endemic liver fluke •Seasonal in accordance with fluke life-cycle Predisposition •spores in liver •damage to liver •Fasciolainfection Clinical signs •sudden death •rapid purification of carcass •bloody, frothy discharge from nose after death •venous congestion •skin hyperaemia •epistaxis •abdominal pain •muffled heart sounds •reluctance to move |
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Dirty Carcass: describe it.
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•rapid decomposition and bloat
•bloody discharges from body orifices •subcutaneous blood vessels injected •blue/black appearance tissues •subcutaneous oedema -gelatinous appearance •bloody or yellow coloured clotted serosanguineous fluid -mainly in the pericardial sac but often in all body cavities •petechial haemorrhages in sub-endocardium and sub-pericardium |
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Diagnosis and necropsy of anthrax ?
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•dark bloody discharges from body orifices
•rapid decomposition •bloating •diffuse ecchymotic haemorrhage •bloody fluid in body cavities •grossly enlarged friable spleen •air dried smear for diagnosis (ear) •notifiable! •ICT kit in Victoria •culture |
