BS ISO 23781:2021 pdf download.Operating procedures of pig slaughtering.
5.8 Cleaning and polishing
The remaining hair, nails and ash shall be removed manually or by using polishing equipment. The pig
body shall be cleaned using water.
5.9 Bunging
The knife shall pierce the surrounding area of the anus and make a circular cut around it. The end of the rectum should be bagged or tied off and vertically placed into the pelvis. Bunging can also be done by aiming and inserting the bunging equipment tip into the anus, then activating the equipment to cut off the rectum from the pig body with its circular blades. The surrounding area of the anus shall have as little meat as possible. The end of the rectum shall be separated from the sphincter. The rectum shall not be cut during this process.
5.10 Eviscerating
5.10.1 Opening the abdominal and thoracic cavities: A longitudinal incision shall be made from the pubis to the neck to open the abdominal and thoracic cavities. During this process, the male reproductive organs shall be removed. The offal shall not be pierced.
5.10.2 Tearing off the rectum and bladder: This process shall be done by grabbing the rectum and cutting off the mesentery and ligament. Then the bladder and female reproductive organs should be torn off without piercing the rectum.
5.10.3 Removing the intestines and stomach: This process shall be done by grabbing the mesentery and the greater curvature of the stomach, then cutting off the mesenteric tissue, intestines and stomach at a location which is close to the kidneys. The oesophagus and its associated connective tissue shall also be cut off. The removed offal shall be put into a container or in/on any kind of support for inspection. During this process, the intestines and stomach shall not he pierced.
5.10.4 Removing the heart, liver and lungs: This process shall be done by grabbing the liver and cutting the diaphragm on both sides. Then any connective tissue that connects the thoracic cavity and the neck shall be cut off to remove the oesophagus, trachea, heart, liver and lungs. The removed offal shall be put into a container or in/on any kind of support for inspection. During this process, the offal shall not be damaged. The thyroid gland shall be removed.
5.10.5 Washing the abdominal and thoracic cavities: The abdominal and thoracic cavities may be washed immediately after removing the offal. Any blood clots, attached hair and other contaminant should be cleaned. The carcass surface which is contaminated by the contents of pierced offal shall be trimmed and discarded.
5.10.6 Removing the tail: The tail may be removed at any point of the evisceration or during the cutting process.
5.11 Splitting
The carcass shall be split into two parts along the middle line of the spine. The leaf fat and kidneys shall be removed from the half-carcass pork after the splitting process. Any blood stains and attached hair shall be removed.BS ISO 23781 pdf download.