LAM 2 Peppa Pigs Flashcards

1
Q

You arrive at a farm to find multiple one week old piglets with orange stained, creamy diarrhea. One of the smaller piglets has died and on necropsy you find colonic edema. What treatment will you recommed to the farmer?

A

Tylosin for the piglets

In the future, sows should be given Virginiamycin before and after farrowing

*C. difficile

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2
Q

A farmer calls about multiple 5 day old ill piglets with diarrhea. Since the sow is unvaccinated, you suspect Clostridium perfringens Type A. You start the sow and piglets on Bacitracin while you wait on a definitive diagnosis from what tests?

A

Isolation and genotyping

(beta 2 toxin)

Micro: supperative enteritis with gram + rods

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3
Q

You are called out to a farm to check on multiple piglets in a mixed age group with watery diarrhea. Upon arrival you notice that the barn is chilly and some of the piglets are shivering. One of the 4 day old piglets has died and you perform a necropsy, finding fibrinous polyserositis upon opening the abdominal cavity. Cultures are taken from the small intestine and you plan to run a PCR to identify any toxins. What is the suspected agent and what measures should the farmer take in the future to prevent this?

A

E. coli (colibacillosis)

MOST COMMON CAUSE OF DIARRHEA IN SUCKLING PIGS

Dams act as carriers and should be vaccinated 2x before farrowing. In addition, good sanitation is required, with an all-in/all-out cleaning regimen.

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4
Q

Multiple young pigs on a farm have died shortly after weaning. On examing the deceased pigs, you note facial edema. Some of the other pigs in the barn are recumbant and are paddling. When handled, they ellicit an abnormal squeal. What is the most likely diagnosis?

A

Edema disease

(colibacillosis)

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5
Q

You are presented with 3 week old piglets who began having diarrhea shortly after being moved to a new nursery. The farmer states that some of the piglets have yellow, pasty diarrhea and have not been gaining weight as expected. He also admits that he has tried giving left over antibiotics to a couple of them, but hasn’t seen any improvement. What medication is indicated in these patients?

A

Toltrazuril

*Coccidiosis: Isospora suis

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6
Q

A couple of 6 week old piglets are having diarrhea with occasional vomiting. None have died. What are the testing methods to confirm Rotaviral infection in these patients?

A

ELISA on feces

FAT or IHC on small intestine epithelium

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7
Q

Which of the following is true about Transmissible Gastroenteritis (TGE)?

A. The endemic form is more severe and carries a high mortality in piglets < 3 weeks old.

B. Chronically affected sows may vomit and refuse to nurse piglets.

C. A main clinical sign is vomiting, and older piglets will have bright yellow feces.

A

C.. A main clinical sign is vomiting, and older piglets will have bright yellow feces.

*A. Although TGE has a high mortality in < 3 week old piglets, the endemic form is much less severe.

*B. These signs are seen in acutely affected sows.

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8
Q

You arrive on a farm to see some of the suckling age piglets recumbant, with swollen joints. In the corner, you notice a recently weaned pig displaying opisthotonus. The barn is particularly messy and dusty, and the feces haven’t been cleaned up properly. What treatment do you give the piglets and what preventive measures do you recommend to the farmer?

A

Piglets should be given injectable abx (penicillins or ceftiofur). In-feed antibiotics may be considered in cases of high morbidity.

The farmer should thoroughly clean the barn, and ensure good ventilation, as Streptococcus suis survives in dust and feces. Sows should be vaccinated prior to farrowing.

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9
Q

How can streptococcal meningitis be easily diagnosed on necropsy?

A

CSF tap

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10
Q

You arrive at farm to examine a sow that has been anorexic and listless after farrowing a few days ago. You learn that the sow only gave birth to 6 piglets, and has been in confinement for the majority of her time at this farm. The piglets have the following lesions. What is the likely diagnosis?

A

Hypogalactia

or

Mastitis, Metritis, Agalactia (MMA)

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11
Q

A client brings in one of her 4 week old pigs to show you the following lesions on its abdomen. The pigs don’t seen bothered by the lesions, but the owner is concerned that her children might become affected. Is treatment indicated at this time?

A

No, pityriasis rosea, a condition of unknown cause, does not require any treatment. Pigs recover completely on their own.

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12
Q

You arrive on a farm to find multiple pigles in this position. Which of the following is true about this condition?

A. The principle lesion is myofibrillar hypoplasia

B. Preventive measures include sloping floors for easier ambulation after birth.

C. Splay leg is genetically predetermined and piglets should be culled as they are unlikely to walk normally again.

D. Generally piglets with high birth weights are predisposed to this condition.

A

A. The principle lesion is myofibrillar hypoplasia

*B. Sloped or slippery floors are risk factors for this condition.

C. While splay leg comes with a genetic predisposition, affected piglets generally do well if protected from the sow and allowed to nurse. Taping the legs is also helpful.

D. Piglets with LOW birthweights are at risk

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13
Q

A farmer calls you out to look at some piglets who were born with patches of skin missing from the dorsum. A couple of the piglets with more extensive lesions die before you arrive. What accompanying pathology do you expect to find on necropsy?

A

Hydroureter and hydronephrosis

*Epitheliogenesis Imperfecta

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14
Q

Multiple weaned pigs on a farm have the following exudative lesions on the legs and head. Which of the following is true about this disease?

A. This disorder is mainly seen in post-weaning pigs greater than 3 months old.

B. Affected pigs should be separated from the group and may be sprayed with solutions such as iodine or 10% bleach.

C. Risk factors for Greasy Pig Dz include abundance of skin microflora and dry environmental conditions.

A

B. Affected pigs should be separated from the group and may be sprayed with solutions such as iodine or 10% bleach.

A. Mainly seen in pigs less than 8 weeks old

C. Risk factors include lack of competing skin microflora and humid conditions. (In addition to vesicular dz, nutritional deficiencies, parasitism, and trauma to the skin)

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15
Q

You arrive at a farm to see evidence of mucoid and hemorrhagic, gray to yellow diarrhea. Several of the growing stage pigs are significantly dehydated and appear gaunt. The farmer states that all animals are on a strict vaccination schedule, however, he does run an organic, antibiotic free farm. Which of the following are appropriate next steps?

A. Cull debilitated animals

B. Extensive treatment with tiamulin/carbadox/lincomycin

C. Wean early and remove pigs to a clean site

D. Thorough cleaning during summer months

A

ALL ANSWERS ARE CORRECT

*Swine Dysentery (Brachyspira hyodysenteriae)

Spirochetal Colitis (Brachyspira pilosocoli): milder colitis in youunger pigs

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16
Q

Asymptomatic infections by this agent may serve as a source of food-borne illness in people:

A

Salmonella spp

17
Q

A farmer is surprised to see that some of his recently delivered, apparently healthy pigs, have died overnight. A few others are huddling in the corner and have red-purple extremities. One of the pigs has a temperature of 107F. You suspect Salmonella cholerasuis infection and send various organ samples from the deceased pigs for culture. What is the appropriate treatment for the remaining animals?

A

Parenteral antibiotics

(gentamycin, neomycin, ceftiofur)

*Septicemic form

18
Q

Which of the following are true about Porcine Proliferative Enteritis?

A. Characterized by hypoplasia of crypt enterocytes

B. Infections are mostly subclinical, with outbreaks after stressful events.

C. Growers present with diarrhea containing brown/black clotted blood, pallor and weakness, or rapid death.

D. Acute presentations of PPE may be confused with hemorrhagic bowel syndrome.

E. Treatment and prevention include: Tylosin, tetracyclines, lincomycin, vaccination, and minimizing stress.

A

B. Infections are mostly subclinical, with outbreaks after stressful events.

D. Acute presentations of PPE may be confused with hemorrhagic bowel syndrome (clotted blood in the ileum indicates Lawsonia/PPE. Un-clotted blood indicates hemorrhagic bowel)

E. Treatment and prevention include: Tylosin, tetracyclines, lincomycin, vaccination, and minimizing stress.

A. crypt hyperplasia

C. Growers present with the chronic form (sporadic diarrhea, wasting, variable growth rates)

19
Q

I secrete 4 toxins. Acute outbreaks result in fever, vomiting and diarrhea, cyanosis, high mortality in fattening pigs, abortion in sows, and non-productive cough. Survivors remain carriers. Who am I?

A

Actinobacillus pleuropneumoniae

20
Q

T/F: In addition to proper ventilation, avoiding overstocking, and keeping a closed herd, vaccination is important in helping control actinobacillus pleuropneumoniae.

A

TRUE

Vaccinate sows and 5-7wk piglets

21
Q

You arrive on a farm to find several pigs with epistaxis and sneezing. One of the pigs has a malformed snout and has tear stains around the medial canthus. You take some samples from the nasal turbinates. What pathogens are you expecting to find?

A

Bordetella bronchiseptica

Pasteurella multocida

*Atropic rhinitis

22
Q

Several 4 month old grower pigs are presented for weight loss and unthriftiness. Some are dyspneic, and one has a bout of diarrhea during the PE. The farmer states that there have also been several stillbirths on the farm in the past week. Serology on one of the sows is positive for Porcine Circovirus 2, so you sample the LNs of the growers, as they are all enlarged. What do you expect to see?

A

Depletion of lymphocytes

Histiocytic infiltration

PCV2 causes Postweaning Multisystemic Wasting Syndrome. Nearly all herds in the US are seropositive so positive serology does not imply disease!

23
Q

Which of the following are true about Porcine Reproductive and Respiratory Syndrome (PRRS)?

A. Respiratory signs are often seen in young growing and finishing pigs, and the PRRS virus is usually found to be the sole infective agent in these cases.

B. Since the eradication of Classical Swine Fever, PRRS is the most econimically significant swine disease in the US.

C. The virus is highly infectious and contagious, and is present in nasal secretions, urine, feces, and mammary secretions.

D. Persistence in carrier pigs for over 200 days makes carriers the most common source of virus introduction to new populations.

A

B. Since the eradication of Classical Swine Fever, PRRS is the most econimically significant swine disease in the US.

D. Persistence in carrier pigs for over 200 days makes carriers the most common source of virus introduction to new populations.

A. PRRS is often not found to be the sole agent, and likes to shack up with Mycoplasma hypopneumoniae

C. Although PRRS is highly infectious, it is NOT highly contagious.

24
Q

Let’s tell a story:

Porcine Epidemic Diarrhea is caused by ______ and looks clinically similar to ____. Outbreaks in naive herds feature severe _____ and _____, with mortality as high as 100% in young pigs. It is suggested that certain _____ may be able to inactivate the virus. Diagnosis can be made using clincal signs, ELISA or EM of _____, or necropsy of dead pigs. Treatment includes access to high quality ________, with added ______.

A

Porcine Epidemic Diarrhea is caused by coronavirus and looks clinically similar to TGE. Outbreaks in naive herds feature severe diarrhea and vomiting, with mortality as high as 100% in young pigs. It is suggested that certain temperatures may be able to inactivate the virus. Diagnosis can be made using clincal signs, ELISA or EM of feces, or necropsy of dead pigs. Treatment includes access to high quality drinking water, with added electrolytes.

25
Q

A farmer calls about a litter including several weak and many dead piglets. He mentions that they are all hairless and the forelegs are thicc and doughy. What do you recommend to the farmer to prevent this in future litters?

A

Use iodized salt in the rations of gestating sows

*Iodine deficiency

(goiter may be palpable in piglets)

26
Q

Blood analysis on a few sick 9 days old piglets shows a microcytic anemia. The piglets were raised strictly indoors and have been nursing like champs. What treatment do you recommend?

A. Fe Dextran injections in the neck muscles

B. Water soluble Fe supplement orally

C. Increase daily intake of colostrum

A

B. Supplement iron orally.

*While IM injections may be given shortly after birth, they should never be used in piglets older than 7 days of age.

*Colostrum only provides 15-50% of the daily Fe requirement, so increasing it would not be helpful in this situation.

27
Q

What disease is likely to be seen in 2-4 month old pigs consuming excess calcium?

A

Parakeratosis

*Zinc responsive dermatosis

28
Q

A herd of pastured growing swine appear short in stature and have deformed weight bearing long bones. What is likely missing from their diet?

A

Phosphorus

*Pastured swine fed little to no grain/protein

Rickets: deficiency of Vit D or Phos

29
Q

A farmer’s prized sow has sustained a femur fracture during the late nursing period. What preventive measures can the farmer take to prevent this from happening again?

A

Balanced diets and exercise

*Osteoporosis

(prolific sows mobilizing minerals for high milk production)

30
Q

A few 8 week old pigs die suddenly, having previously been in good health. On necropsy you diagnose Mulberry Heart Disease. What were these pigs lacking in their diet?

A

Vit E/Selenium

*Cu, Vit A, mycotoxins can make Vit E less bioavailable.

*Beware the selenium poor soil

31
Q

Another story, shall we?

_______ is caused by fungi growing on corn, peanuts, cereal grains, etc. Toxic metabolites may be passed in the ____ to nursing pigs. Toxins target the _____.

A

Aflatoxicosis is caused by fungi growing on corn, peanuts, cereal grains, etc. Toxic metabolites may be passed in the milk to nursing pigs. Toxins target the liver.

32
Q

You arrive at a farm to examine some pigs with dry, gangrenous sloughing of the tails, ears and hooves. After obtaining a brief history, you examine the rye and oat mixture the pigs are eating. What do you suspect the food is contaminated with?

A

Claviceps purpurea (ergot fungus)

*Also causes post-farrowing agalactia

33
Q

Which of the following is NOT true about Fumonsin toxins?

A. Swine may be reluctant to consume feed in which mold is present.

B. Deoxynivalenol (DON) causes crusting and ulceration of the skin.

C. Zearalenone is present in moldy corn and has an estrogenic effect

D. Zearalenone may cause pseudopregnancy in sows and decreased testicular size in young boars.

A

B. Deoxynivalenol (DON) causes crusting and ulceration of the skin.

DON is a vomitoxin which usually causes reduced feed intake.

T-2 toxin causes crusting and ulcerations

34
Q

In FMD, swine hoof lesions are (more/less) severe than those in cattle.

A

More severe

*Very painful, on the coronary band, interdigital space, and heel.

35
Q

(African/Classical) Swine Fever is more severe and lacks a vaccine.

A

African Swine Fever