Milk Borne Diseases list

Milk Borne Diseases List

Milk Borne Diseases list


Milk borne diseases

Causative Agent Source of Infection Sings/Symptoms


Anthrax Bacillus anthraces Milk handlers External form:

Malignant pustule, red inflamed swelling and fever

Internal form:

Pneumonia with haemorrhage

To control it Boil milk for 40 minutes

Autoclaving at pressure of 15 lbs

Prevent environment contamination of milk by boiling

Botulism Chlostridium botulinum Milk Vomiting, abdominal pain and difficulty in vision later nervous symptoms consisting double vision, drooping of eyelid dilatation of pupil Adequate heat treatment of milk

Cool and storage at 100oC


Bacillary Dysentery Shigella flexneri, Sh. sonnei, Sh. dysenteries Milk handlers Dysentery, fever, meningeal symptoms Strict sanitary discipline is enforced in dairy workers.

Heat treatment of milk

Brucellosis Brucella abortus, Br. meletensis, Br. suis Milch animals Pain in joint and back, temperature is usually undulant, headache, liver and spleen enlarge. It causes abortion in female Adequate heat treatment of milk

Eradication of disease from dairy animals by test and elimination method

Control of disease by vaccination

Cholera Cholera vibrio Milk handler, soil, hand of patient and carrier Painless diarrhea and vomiting, initially skin is dry and wrinkled leg, eyes deeply shrunken Heat treatment of milk
Coli infection Pathogenic strain of Escherichia coli Milk handlers Gastroenteritis and pneumonia Milk from quarter affected with mastitis should not be used

Adequate heat treatment of milk

Cooling and storage at 10oC

Chlostridium Welch infection Chlostridium welch Milk, milk handlers Gastroenteritis, vomiting, weakness and dehydration Heat treatment of milk

Immediate cooling of milk at 10 oC or below

Diphtheria Corynebacterium progenies Milk handlers Chilliness and depression, sometimes vomiting and diarrhea, uneasiness in throat, difficulty, stiffness of back and neck Heat treatment of milk,

Examination of milk handlers

Pasteruellosis Pasteruella multocida Milch animals Fever pneumonia Microorganism is destroyed at the usual pasteurization temperature

To prevent recontamination of milk after pasteurization

Q fever Coxiella burnetti (Rickettsial) Milch animals, milk Fever, sever headache and some forms of infection of lungs often causes pneumonia Calving shed should be away from milk shed

Adequate heat treatment of milk and prevent recontamination

Staphylococcal interotoxic gestroenteritis Staphylococus aureus Milk handlers, milk Sever nausea and vomition, diarrhea of less importance, weak pulse, subnormal temperature, sever prostration Autoclaving at 15 lbs. for 20 min causes almost destruction of organism

Immediate cooling of milk to 10 oC or below

Streptococcal infection Streptococci of Group A Milk handlers milch animals Scarlet fever, sore throat, difficulty in swallowing and breathing Health control of dairy workers

Exclusion of milk from mastitis affected quarters

Adequate heat treatment of milk

Adequate cooling of milk

Tick born encephalitis Tick borne encephalitis virus Milch animals especially goats milk High rise of temperature, drowsiness, headache, mental confusion and encephalitis Adequate heat treatment of milk

Immediate cooling of milk at 10 oC

Tuberculosis Mycobacterium tuberculosis Milk handlers milch animals Cough of an irritable nature particularly in the morning. Loss of appetite and lose of weight, diarrhea or constipation. Pleurisy causing pain in chest temperature is of swinging type. Enlargement of lymph gland Eradication of bovine tuberculosis

Adequate heat treatment of milk

Health control of dairy workers

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