slaughter of animals

8/6/2019 Slaughter of Animals

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Slaughter of AnimalsSlaughter of Animals


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Stress adversely affects Meat QualityStress adversely affects Meat Quality

Proper rest, water, foodProper rest, water, food

Stunning except jewish & MuslimsStunning except jewish & Muslims


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StunningStunning

Mechanical stunning.

Electrical stunning.

Carbon dioxide (CO2) stunning.


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Mechanical StunningMechanical Stunning

Cattle & sheep, pigs excessive convulsionsCattle & sheep, pigs excessive convulsions

Types

The invasive captive bolt. The non-invasive captive bolt (knocker).


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Trigger a boltTrigger a bolt

Velocity of boltVelocity of bolt

The non-invasive or knocker typehas a mushroom-shaped end to the bolt.

In the invasive type the bolt is driven into the

brain causing invasive, damage to the cortexand mid-brain


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Site for StunningSite for Stunning

Cattle: Point on the forehead at the intersection oftwo imaginary lines drawn from the base of the

horns to the eyes on the opposite side.

Sheep: Point is at the highest point of the head at themidpoint between the ears

Pigs: 2.5 cm above the level of the eyes on the mid-line and at right angles to the forehead


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Tonic or rigid phase: Animal falls to the floor

and lies still and rigid

Clonic phase: Animal exhibits uncontrolledconvulsions or kicking


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PithingPithing

Inserting a long, thin, flexible metal rod

through the hole in the skull

Destroying the medulla oblongata, minimisingreflex muscular action during sticking and

dressing


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Electrical StunningElectrical Stunning

50 Hz electrical current through the brain

Create immediate epilepsy

Position of tongs, voltage & resistance ofanimal, contact area and the pressure applied

by the tong.

For pigs, calves Not good for sheep


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StunnStunn--kill devices, produces cardiac arrestkill devices, produces cardiac arrest


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CoCo22 StunningStunning

Commonly Used for pigs.

Passed through a well with a CO2

70-90% concentration Unconscious due to acidification of CSF

pH drop from 7.4 to 6.8


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Bleeding( Exsanguination, Sticking)Bleeding( Exsanguination, Sticking)

Within 15 sec. after stunningWithin 15 sec. after stunning

4040--60% blood is lost60% blood is lost

Cattle: Remove skin near jugular furrow,Cattle: Remove skin near jugular furrow,severe thoracic aorta.severe thoracic aorta.

Bleeding for 5Bleeding for 5--6 minutes6 minutes


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Sheep:Sheep:Make an incision in the jugular furrow

close to the head and severing the carotid

arteries


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Bleeding of AnimalBleeding of Animal

4040--60% blood lost during bleeding60% blood lost during bleeding

33--5% in muscles5% in muscles

Rest in the visceraRest in the viscera In cattle 13.5 liters of blood is lostIn cattle 13.5 liters of blood is lost

In sheep 2 litersIn sheep 2 liters


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Ritual SlaughteringRitual Slaughtering

Islamic or Muslim

Jewish

Better bleeding


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Jewish method of slaughter

Shechita A swift cut is made across the neck with a very

sharp knife.

This severs the skin, underlying muscles,

trachea, oesophagus, jugular veins and carotid

arteries.


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Five principles of Shechita

Neck should be cut without

Pause

Pressure Stabbing

Slanting or tearing


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Any nick during the operation render carcass

unfit.


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Searching.

When the diaphragm is exposed during

dressing of the carcass, the shochet or Jewish

cutter pierces this and subjects the thoracic

organs to a manual examination


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Terefah or unfit: Any adhesions of the lungs,

detrimental In life, unfit for consumption

Kosher or fit: meat after removal of fat andveins.

Mostly forequarters are eaten


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IslamicIslamic

No searching or porgingNo searching or porging

slaughter of animals

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