SWINE MEDICINE CLINICAL SIGNS AND LESION

Erysipelas

What is this disease based on Clinical signs?

Acute septicaemia, Fever, Walk, Stiffly, Lie on the sternum separately, Erythema of the ears, snout and abdomen to diamond shaped skin lesion all over the body but particularly on the lateral and dorsal part

Erysipelas

What is this disease based on Lesion ?

Swollen spleen, Edematous and congested lungs and arthritis

Hog Cholera

What is this disease based on Clinical signs?

Anorexia, lethargy and fever (41C), Multifactional hyperaemia of the skin, transient constipation, then diarrhea, occasionally with vomiting, Dyspnea, Ataxia, Paresis and convultion, Pigs file up or hoddle together, Mortality in young can reach 100%, Pre terminal cyanosis of the skin, espeially ventrally, base of ear and snout , transplacental infection

Hog Cholera

What is this disease based on Lesions?

Leukopenia, Trombocytopenia, Turkey egg appearance of the kidney, Infaction of the margin of the spleen, Raised circular button ulcers in the large intestine, enlarge hemorrhagic lymph node, non suppurative encephalitis with severe vesiculitis.

African Swine Fever

What is this disease based on Clinical signs?

1st sign is fever (40.5 to 42C) , Leukopenia and thrombocytopenia, Anorexia, Listlessness, Incoordination and cyanosis, Vomiting, Diarrhea and Conjunctivitis, Abortion in pregnant animal, Survivors are usually carriers for life, although virus is not continously present in the exertion.

African Swine Fever

What is this disease based on Lesions?

Hemorrhage of lymph node, Hemorrhage of kidney, Congestive splenomegaly , Edematous areas of cyanosis in hairless portion, Pleural, Pericardial and peritonial fluid are excessive, Focal caseous, necrosis and mineralization of the lungs.

Others: Transmitted by vector Ornithodoros spp.

Foot and Mouth Disease

What is this disease based on Clinical signs?

Morbidity and mortality is high in young, Initial signs: Dullness, Inappetence, fever and shivering, Following by smacking of lips, drooling, shalling and kicking of the feet, Vesicle formation: Nares, buccal cavity, Claws, Mammary gland, Pronounced salivation and lameness, Abortion in pregnant, death young, Deformed claw, Mammary and Involvement may result to mastitis and permanent impairment of milk production, prolonged in thriftteness and failure to gain weight in common.

Foot and Mouth Disease

What is this disease based on Lesions?

Vesicles, In sheep and dental pad is the most common site, Lesion in rumen pillars, Myocardium in skeletal muscle, Type C have a predilection for heart membrane.

Foot and Mouth Disease (FMD)

What generalized disease affect only Cattle, Sheep and Goat and Pig but NOT in horse since it is resistant

Swine Vesicular Disease (SVD)

What is this disease based on Clinical signs/Lesions?

Transient vesicles in mouth lips and snout, feet, The lesions are mild or inapparent, especially when pigs are kept in soft beddings. Do not lose body condition and the lesions heal rapidly.

Vesicular Exanthema of Swine

What is this disease based on Clinical signs/Lesions?

Vesicular on the snout, oral mucusa and feet , Lameness, Anorexia and Vesicle in mouth and hoof. Fever and Vesicle will break within 24-48 hrs, (Formation of Blister)

Vesicular Exanthema of Swine and Swine Vesicular Disease

What generalized disease only affects Pigs and not Cattle, Pig, Sheep and Goat including Horses

Vesicular stomatitis

What is this disease based on Clinical signs/Lesions?

Excessive salivation is the first sign, Vesicle in the mouth, oral mucosa, lips, snouth and feet, mammary gland involvement, lameness is the first sign observed in pig, fever, anorexia and abortion , the disease is self limiting with recovery with in 2 weeks, In dairy loss of milk production and mastitis are sequel, serum antibodies persist for life but reinfection may occur. I

Streptoccocal infetion Type 1 Joint ill (neonatal) septic Polyarthritis

What is this disease based on Clinical signs/Lesions?

Subacute: Lameness (3-5 days, Joint capsule are filled with necrotic materials, fibrin and flecks of yellow pus, Synovial membrane are hyperaemic.

Chronic: Joint distention (7-15days), fever, lameness, swelling joints. Necrosis-fibrosis of surrounding muscles, Pale-green pus or joint capsule.

Streptococcal infection Type 2 Bronchopneumonia

What is this disease based on Clinical signs?

Fever, Tremor,Dog sitting position, Nakanganga, Depression, Incoordination/pneumonitis arthritis and abortion

Streptococcal infection Type 2 Bronchopneumonia

What is this disease based on Lesion?

Red skin patches, Thick joint capsule, Excess cerobrospinal fluid and meningitis, Endocarditis

Enteric collibacillosis

What is this disease based on Clinical Findings:

Profuse watery diarrhea, yellowish (fluid), odorous (fluid), rapid dehydration, acidosis, death, rarely pigs may collapse and die before diarrhea commences

Enteric collibacillosis

What is this disease based on Lesions:

Small inttestne contains watery yellowish, slightly mucoid fluid, colon contains similar fluid (red in color hemorrhage), Fundic portion of the gastric mucosa is often reddened. *Pigs that die suddenly may have patchy of normal length and have may small bacterial rods adhered the absorptive enterocytes

Edema disease

What is this disease based on Clinical findings:

Sudden death of well fleshed, rapidly growing pigs

Neurologic signs: Apparent blindness, Ataxia, Circling, Lateral recumbency, Opisthotonus, Paddling

Edema of the eyelids and forehead, Edema of the larynx may cause a characteritics squeky voice, Death following from several hours to 2 days. Survivors have persistent neurological signs varying severity, Morbidity of 15%, Diarrhea/constipation not consistent findings.

Edema disease

What is this disease based on Lesion:

Obvious subcutaneous edema of the head region, Gelatinous edema of submucosa of the greater curvature of the stomach and mesentery of the spiral colon, Serous cavities may contain excessive clear amber fluid.

Intestinal salmonellosis

What is this disease based on Clinical signs:

Diarrhea, Yellowish fluid that contains shred of necrotic debris, liquid feces, fever, succumb to generalized septicaemia

Intestinal salmonellosis

What is this disease based on Lesions:

Inflammation of the ileum and colon with necrotic debris on the mucosal surface, mesenteric lymph nodes are enlarged, edematous and sometimes red, small amount of hemorrhage in acute cases, mucosal ulceration may or may not be evident.

One spp of the causative can cause yellow round button ulcer in the colon and cecum, less on the ileum.

Clostridium Perfringens Type C Enteritis

What is this disease based on Clinical findings

Sudden onset of hemorrhagic diarrhea, Following by collapse and death in 1-3 days old pigs. In less acute cases, brownish liquid feces develop at 3 to 5 days. Sometimes the feces is pasty gray, Emaciation, Blood stained perianal region

Clostridium Perfringens Type C Enteritis

What is this disease based on Lesions:

Acute - Small intestine is dark red and hemorrhagic, and contains a hemorrhagic

Peracute - Gas bubbles in the wall of jejunum.

Necrosis of the mucosa of jejunum and ileum.

Thickened small intestine that is lined with pale yellow and gray necrotic membranes tightly adhering to the submucosa

Porcine proliferative enteritis

What is this disease based on Lesions:

Feces is watery to pasty, brownish of faintly blood stained after 2 days, yellow fibronecrotic debris, most often pigs recover, development to chronic , necrotic enteritis with progressive emaciation

Eleitis

What is this disease based on Lesions/Clinical findings;

C/s: Hemorrhagic diarrhea, Black tarry feces, Pale, bloated at the time of death

L:Inflammation of the small intestine

Swine Dysentery

What is this disease based on Clinical findings;

Partial anorexia with/without fever, passage of soft feces. mucoid diarrhea with flecks of blood, waterry mucohemorhagic diarrhea, feces are brown and contain flecks of fibrin and debris, dehydration and weakness

Swine dysentery

What is this disease based on Lesion:

Mucosa is covered with a layer of transparent to gray mucus, suspended flecks of blood, yellow necrotic debris.

Colitis

What is this disease based on Clinical signs:

Non distinctive diarrhea, Almost same as ileitis, leads to stunted growth.

Colitis

What is this disease based on Lesions:

Inflammation of large intestine (colon), thickening of the wall of the large intestine, excessive mucus production

Transmissible Gastroenteritis (TGE)

What is this disease based on Clinical signs:

Vomiting is the initial sign, Following profuse, watery diarrhea, feces contains curds of milk, Dehydration, excessive thirst, abortion gestational sows, lactating sows (diarrhea, vomiting and agalactia)

Transmissible Gastroenterits (TGE)

What is this disease based on Lesions:

Stomach contains milk/curd or maybe empty, wall of the small intestine is thin, entire intestine contains greenish or yellowish watery fluid and clumps of undigested milk, villous atrophy

Porcine Epidemic Diarrhea (PED)

What is this disease based on Clinical signs/Lesion:

Diarrhea (watery) in pigs of all ages, Incubation period is 3 to 4 days, colic, older animals are move lethargic and depress , infection is consistently observed in older animals and they are more susceptible . Villous shortening of the small intestine

Coccidiosis in pigs

What is this disease based on Clinical signs:

Prevent in neonates, waterry diarrhea (greasy) , yellowish to white, foul smelling weak, dehydrated, render uti

Coccidiosis in pigs

What is this disease based on Lesion:

Villous atrophy, Ulceration, Fibrinonecrotic enteritis.

Post weaning multisystemic wasting syndrome

What is this disease based on Clinical signs:

Debilitation, Affects weaners and growers, especially 6-12 weeks old. Incubation period in 2 weeks, weight loss, labored breathing, scouring, pallor, and jaundice

Porcine dermatitis neuropathy syndrome

What is this disease based on Clinical signs:

Mainly seen in finisher, round, irregular red purple skin patches, they merge and form discoloured areas which progress and form crust