Meat and bone meal (1976)

Leningrad plant for the production of meat and bone meal.

Warehouse with packed flour.

Meat and bone meal production line.

Piglets with meat and bone meal added to their feed.

Animal husbandry waste and non-food waste from livestock slaughter are used for production.

Map of the Leningrad region, where the Leningrad plant for the production of meat and bone meal collects waste.

Waste collection is carried out on call from livestock farms and production facilities by special transport.

Proper collection of raw materials prevents the spread of diseases and preserves livestock.

The reception of raw materials is carried out in the direction in which the cause of the death of the animal, the alleged diagnosis and the address of the owner are indicated.

The territory of the plant is divided into two isolated sectors.

The scheme of division into prosperous and disadvantaged zones.

Containers with waste and corpses of fallen animals are fed to the cutting department.

Incoming raw materials can be a source of infection.

Disinfection of the machine.

Wastewater is also disinfected.

If pathogens of dangerous diseases are detected, wastewater is additionally disinfected in the boiler.

The plant has a pathology and anatomical department of the city veterinary laboratory.

Specialists inspect the raw materials, perform an autopsy and determine the cause of death of the animal.

If dangerous infections are suspected, blood samples are checked by microscopy.

Farms and veterinary services are notified of infectious diseases.

For future veterinarians, the Leningrad plant for the production of meat and bone meal is the base for conducting classes.

Before entering the dysfunctional zone, workers pass through a sanitary inspection, put on overalls and shoes.

After removing the skin, it is disinfected and neutralized.

The rest of the raw materials are crushed with a power chopper.

Then heat treated.

Polluted air from the workshops enters a special chamber.

Before being released into the atmosphere, air is passed through a water curtain with the addition of a disinfectant.

After the end of the work, the overalls are disinfected with steam.

Workers take a shower.

Workshop for the production of meat and bone meal.

In vacuum boilers, the raw materials are neutralized.

The fat is separated into a sump.

The quality of flour is monitored in the laboratory.

Packing flour in bags.

Before shipping from the factory, meat and bone meal is checked for harmlessness.

Only after the quality examination is confirmed, the flour is sent to the consumer.

Meat and bone meal is supplied to the feed production company.

Feeds with the addition of meat and bone meal are very useful for poultry and piglets.

Such plants are not only a source of useful feed, but also contribute to environmental protection.