POSTMORTEM LESIONSVIRAL,

BACTERIAL AND PROTOZOAL

DISEASES

14-ARID-2022FAISAL SHAHZAD SOMROO

PMAS

VIRAL DISEASES

• FMD • PPR • BLUE TONGUE • RABIES • SWINE FEVER POCKS

BECTERIAL DISEASES

• ANTHRAX • H.S • ENTEROTOXAEMIA• TETANUS • BOVINE TUBERCULOSIS • GLANDERS • CONTAGIOUS CAPRINE PLEUROPNEUMONIA• SALMONELLOSIS

PROTOZOAL DISEASES

• TRYPANOSMAISIS • BABAESIOSIS • THELERIOSIS • CATTARHAL FEVER

FMD

• NECROSIS OF HEART MUSCLES (TIGER HEART)• ULCERATIVE LESIONS ON TONGUE, PALATE, GUMS, PILLARS OF THE RUME

N AND FEET.

PPR

• EROSION ON GUM • LIPS SWOLLEN • ABOMASUM CONGESTED • HEMORRHAGES IN SMALL AND LARGE INTESTINE

BLUETONGUE

• VESICLES OR ULCERS IN THE MOUTH • GENERALIZED EDEMA AND HAEMORRHAGE OF SUBCUTANEOUS TISSUE A

ND MUSCULATURE• EXCESSIVE MUCUS IN THE TRACHEA • CONGESTION OF LUNGS• GENERALIZED LYMPHADENITIS

RABIES

SWINE FEVER POX

• BLOTCHY SKIN CYANOSIS AND HEMORRHAGES • ENLARGED SPLEEN (SPLENOMEGALY)• PETECHIAL HEMORRHAGES ON THE KIDNEYS • ENLARGED AND HEMORRHAGIC GASTRO HEPATIC AND RENAL LYMPH

NODES• HEMORRHAGE IN THE HEART• HYDROTHORAX, HYDRO PERICARDIUM AND ASCITES

BACTERIAL DISEASES

ANTHRAX

• DARK TARRY BLOOD DISC• ABSENCE OF RIGOR MORTIS• HAEMORRHAGE OF THE MUCOUS AND SEROUS MEMBRANES, LYMPH NODES AND SUBCUTANEOUS TISSUE• SEVERE HEMORRHAGIC ENTERITIS • DEGENERATION OF THE LIVER AND KIDNEYS •  BLOATING AND RAPID DECOMPOSITION OF CARCASS • ENLARGED SPLEEN

ANTHRAX

H.S.

ENTEROTOXEMIA

• LARGE AND SMALL INTESTINES: • WATERY BLOOD • FIBRINIOUS CLOTS • ULCERS IN THE MUCOSA • SOFTENING OF BRAIN AND KIDNEY TISSUES

TATNUS

• IN LUNGS MULTIFOCAL INTRAALVEOLAR HEMORRHAGE. • FATTY CHANGES OF HEPATOCYTES • FOCAL DEGENERATIONS OF CARDIAC AND SKELETAL MUSCLES • VACUOLAR CHANGE OF PROXIMAL TUBULES • THE CHANGES OF OTHER ORGANS SEEMED TO BE THE SECONDARY

CHANGES DUE TO HYPOXIA.

BOVINE TUBERCLOSIS• ACTIVE LESIONS MAY HAVE A REDDENED PERIPHERY AND CASEOUS MASS IN  CENTRE OF A LYMPH NODE. 3. INACTIVE LESIONS MAY BE CALCIFIED AND ENCAPSULATED NODULES ON THE PLEURA AND PERITONEUM 5. LESIONS IN THE LUNGS, LIVER, SPLEEN, KIDNEY 6. BRONCHOPNEUMONIA 7. FIRMER AND ENLARGED UDDER, PARTICULARLY REAR QUARTERS 8. LESIONS IN THE MENINGES, BONE MARROW AND JOINT

GLANDERS

• ULCERS, NODULES, STELLATE SCARS IN UPPER RESPIRATORY TRACT• FIRM ROUNDED MILIARY NODULES

CCPP

• FIBRINOUS INFLAMMATION OF THE PLEURA (PLEURITIC)• STRAW COLOURED FLUID IN THE THORAX 

• LOBAR PNEUMONIA WITH RED HEPATIZATION, MARBLED APPEARANCE OF LUNG LOBULES DUE TOTHICKENING OF INTERLOBULAR SEPTAE AND INTERLOBULAR PULMONARY EDEMA • ENLARGED MEDIASTINAL LYMPH NODES

• WALLED OFF SEQUESTRA FORMATION IN CHRONIC CASES • HEMORRHAGE IN THE HEART • ARTHRITIS AND TENOSYNOVITIS

SALMONELLOSIS

• SUBMUCOSAL AND SUB SEROSAL HEMORRHAGE ACUTE ENTERITIS • MUCOENTERITIS TO DIFFUSE HEMORRHAGIC ENTERITIS• SEVERE NECROTIC ENTERITIS OF ILEUM AND LARGE INTESTINE CAUSED BY S. TYPHIMURIUM • ABOMASITIS IN S. DUBLIN INFECTION • ENLARGED, EDEMATOUS AND HEMORRHAGIC LYMPH NODES

• THICKENED INFLAMED GALL BLADDER WALL • FATTY CHANGE OF THE ENLARGED LIVER

• SUB SEROUS AND PERICARDIAL HEMORRHAGE

PROTOZOAL DISEAESES

BABESIOSIS

• ENLARGED, YELLOW LIVER AND DISTENDED GALL BLADDER CONTAINING THICK DARK BILE

• THE BLADDER MUCOSA IS EDEMATOUS AND YELLOW • SUBCUTANEOUS TISSUE AND CONNECTIVE TISSUE IN THE MUSCLES ARE EDEMATOUS AND JAUNDICED• THIN WATERY BLOOD AND RED URINE IN THE BLADDER • ENLARGED SPLEEN • EDEMATOUS AND HAEMORRHAGIC LYMPH NODES

TRYPANOSOMIASIS

• EDEMA OF GENITALIA• EMACIATION, ANAEMIA AND CHARACTERISTIC DEPIGMENTATION IN THE

SKIN AND EXTERNAL GENITALIA• EDEMATOUS FLUID IN THE PLEURAL, PERICARDIAL AND PERITONEAL

CAVITIES

THELEIRIOSIS

• THE LESIONS ARE BASICALLY SIMILAR AS THOSE OBSERVED IN BOVINE THEILERIOSIS (T. PARVA) 

• EDEMA OF THE LUNGS • THE YELLOWISHBROWN LIVER MAY BE INCREASED IN SIZE AND SHOWS SOFT AND FR

IABLE CONSISTENCY.• ENLARGED HAEMORRHAGIC LYMPH NODES AND ENLARGED SPLEEN• KIDNEY INFARCTS• PETECHIAL HAEMORRHAGE IN SUBCUTANEOUS, SUBSEROSAL AND SUBMUCOSAL TISSUE

CATTRHAL FEVER