misc
Cards (164)
- why do hens typically adopt this strange penguin-like stance?
- which KPI is regarded as the most sensitive indicator of all aspects of fertility on a dairy farm?
- what infectious agent does the statement describe "This typically occurs in grower and finisher pigs and does not result in pneumonia. Examination of the skin may show diamond-shaped skin lesions which this condition is pathognomonic for. Pigs that succumb to the acute septicaemic form of this pathology may die suddenly without previous clinical signs."
- A 5-day-old male lamb presents to you with an arched back and unwillingness to suckle. Upon examination, the lamb has a hollow abdomen, with a normal temperature and a moist, swollen navel. What is the MOST likely differential diagnosis?
- You are called to see a dairy cow that has recently had a drop rumination according to her management collar. Clinical exam: Heart rate is regular but heart sounds are muffled, rumen turnover occurs once a minute, no ‘pings’ are audible on auscultation, and the cow ventrally flexes and grunts with a Wither’s pinch test. What would be your top differential?
- What is the aetiological agent of ovine pulmonary adenomatosis (OPA)?
- You’re a farm-based vet. There is an acute outbreak of a disease on a commercial pig farm affecting mostly pigs under 7 months old. The farmer reports blood-tinged froth leaking from the nostrils and a low level of cough in multiple animals. At post-mortem, the lungs are solid and haemorrhagic and covered in a film of pleurisy; bloody fluid oozes from the cut surface as seen in the image below. what is the likely diagnosis?
- What lesion is this?
- It is a cold winter morning, and you are called out to a flock of sheep who are experiencing fleece loss. Upon examination, these sheep are restless, head tossing, foot stamping, rubbing their shoulders and flanks, with visible stained areas of wool and excessive wool loss. The skin is also thickened and covered in scabs in more severely affected cases. What is the MOST likely differential diagnosis based on these current clinical findings?
- which infectious agent matches this description "Pigs can present with polyarthritis, polyserositis, fever, and pneumonia in young piglets up to several weeks of age. There may be signs of fibrinopurulent inflammation as well as meningitis and convulsions. "
- A 7-month-old lamb presents with a right-sided head tilt and spontaneous horizontal nystagmus with the fast phase to the left side. The right ear and eyelid are also drooping. Which differential diagnosis tops your list?
- The hen has its head and neck extended to the table and is gasping or ‘snicking’. Which of the following parasites might you be suspicious of?
- Which infectious abortive agents would call for separating infected ewes from pregnant ewes and mixing them with non-pregnant sheep?
- What do you recommend to the owner if several cattle are affected with wooden tongue for the first time on his farm?
- What is the correct location for placement of a proximal paravertebral block used to perform a standing laparotomy in a cow?
- Selective antibiotic dry cow therapy on one of your dairy farms is based on the following criteria: Cows that have had a case of clinical mastitis in the last three months and/or cows with an average herd somatic cell count (SCC) >200,000 cells/ml within the last three months. You decide to change this second criterion to cows with an SCC >175,000 cells/ml. How would you describe this change in the selection of cows for antibiotic dry cow therapy regarding specificity or sensitivity?
- A 3-year-old dairy cow presents 2 weeks post-partum experiencing low milk yield and reduced appetite. On clinical examination, she is pyrexic, anorexic, tail-switching and restless and has poor rumen motility. You decide to take a urine sample which reveals haematuria. Which of the following is the MOST likely differential diagnoses?
- You do a skin scraping and find the parasite which you identify as Haematopinus sp., the most pertinent lab result identifies severe anaemia. What treatment would you recommend to the farmer?
- You’re called urgently to attend a farm after the death of several calves. You are informed that they were started on a new protein rich diet, the farmer tells you he has made a home-made grain mix with a high percentage of cottonseed. Within a week of starting this diet, the calves began to become unwell showing signs and symptoms of dyspnoea, and weakness, some of the calves have died. what toxin is the likely causative agent?
- You are called out to examine a heifer with a swelling on the face. Upon examination, the mass is firm, and appears attached to the mandible with a purulent exudate. There also appears to be tooth displacement and loosening. The farmer states that the cow has been out in the field grazing for the past few weeks. What is the MOST likely differential diagnosis?
- You are called out to examine a poultry unit which has been experiencing an increased mortality rate. Upon examination, the birds appear nervous with tremors, paralyzed wings and legs, twisted necks, circling and torticollis. Based on this information, what is the MOST likely differential diagnosis?
- A sow has been kept outside on permanently occupied ground. A two-day old piglet has been producing scour. what is the likely diagnosis?
- a flock of sheep in Northumbria have some itchy sheep and you agree to travel out to examine them. Through skin scrapes you detect psoroptes ovis under the microscope. What action will you now take?
- It is a cold winter’s day, and you are called out to examine a cow experiencing a whitish-blue opacity in the eye. Upon examination, the cow is excessively tear-staining, blinking, very painful to touch and the eyelid is almost closing over. The cattle are currently housed indoors being fed winter rations of baled silage. Based on the current findings, what is the MOST likely differential diagnosis?
- You are called out to investigate a case of chronic weight loss and poor body condition in a 3-year-old Scottish mule. Upon physical examination, the ewe is very thin (BCS 1.5/5), has a poor fleece, and has normal dentition, but otherwise, no clinical abnormalities are detected. What differential diagnosis currently tops your list?
- A 4-month old pig presents for abnormal gait and lameness of both forelimbs. On clinical examination the knees are bent inwards, and slightly twisted but otherwise the examination is unremarkable. The pig is housed in a large group, on a high-energy diet and the farmer reports their growth rates are great. What is the MOST likely differentials?
- Anovulatory anoestrus in seasonal calving dairy herd is most commonly associated with which two factors?
- From a herd-health perspective, what is the definition of ‘prevalence’?
- What is the earliest stage post-breeding that an experienced vet can reliably rectally palpate fremitus in the uterine artery of the gravid uterine horn in a cow that is pregnant?
- When disbudding cattle, which local anaesthetic agent would you use?
- A few piglets in the first week of life have severe watery diarrhoea; two of the piglets have died. You estimate that over 50% of the piglets have diarrhoea. what is the most likely diagnosis?
- You are putting together a flock health plan for a shepherd who often struggles with a high burden of nematodirus causing high mortality in previous years. Which marker would provide the best indication of when she should worm her sheep with a type I / white drench?