how to select detergents and disinfectants in process of abattoir cleaning and sanitation with reference to emergency disinfection

1. Abattoir Cleaning
Mohamed Abdrabbo march 2017

2. Agenda
 Sanitation – disinfection – Sterilization.
 Properties of ideal detergent & types.
 Properties of ideal disinfectant & types.
 Program of abattoir cleaning
 Emergency disinfection.
 Control measures for cleaning & disinfection.

4. Sanitation – disinfection – Sterilization.
What
difference

5. What is SANITATION
 Proper cleaning and sanitation of the slaughter floor,
walls and equipment should occur daily and frequently
during the day.
 Sanitary Standard operation procedures (SSOPs) for
cleaning and sanitation of all parts of the plant should be
in-place and well-implemented.
 Water points, hoses, sterilizers, hand sanitizers, and
cleaning equipment should be provided in sufficient
numbers.
 Sanitization mainly done by using Hot water, Steam,
NaOCl, etc.,

6. what is Cleaning
Cleaning : the physical removal of foreign material, e.g.,
dust, soil, organic material such as blood, secretions,
excretions and microorganisms. Cleaning generally
removes rather than kills microorganisms. It is
accomplished with water, detergents and mechanical
action. The terms “decontamination” and “sanitation”
may be used for this process in certain settings, e.g.,
central service or dietetics. Cleaning reduces or
eliminates the reservoirs of potential pathogenic
organisms

7. What is Disinfection
Disinfection may be defined as: Cleaning an article of
some or all of the pathogenic organisms which may
cause infection
Perfect disinfectant would also offer complete and full
sterilization, without harming other forms of life, be
inexpensive, and non-corrosive. Unfortunately ideal
disinfectants do not exist. Most disinfectants are also, by
their very nature, potentially harmful (even toxic) to
humans or animals.

8. Sterilization– An absolute Procedure
The destruction of all forms of
microbial life including
bacteria, viruses, spores and
fungi. Items should be cleaned
thoroughly before effective
sterilization can take place.

9. Microbial Characteristics and Microbial
Control
Figure 7.11

10. Properties of ideal detergent.
 Non corrosive.
 Non toxic.
 Economic.
 Not form scales in hard water.
 Easily applied
 Fat emulsifying.
 Dissolving on food soil (environmentally safe)
 Good wetting and penetration ability (surface tension).

11. Types of detergents.
 Alkalis, Alkaline salts: sod. Hydroxide – Sod. Metasilicate – Sod. Carbonate
Adv: good power on fat & protein
Disadv: corrosive on Aluminum & galvanized iron
 Surface active agent: Anionic – Non anionic – Cationic.
 Sequestering agent: bind with Cu, Mg prevent salts & scales in hard water
ex. EDTA.
 Inhibitors: inhibit corrosive action ex. Silicate.
 Acids: remove mineral deposed by corrosive action either Organic: Phosphoric acid
or Inorganic: Acetic acid.
 Filler: in form of liquid or turn to powder.

12. Properties of ideal disinfectant.
(Chemical – non chemical)
 Wide spectrum.
 Resistance to inactivation.
 Non corrosive.
 Non toxic.
 Economic.
 Easily rinsed.
 Quick in action (contact time).
 Easily applied
 Fat emulsifying.
 Dissolving on food soil (environmentally safe)
 Good wetting and penetration ability.

13. Types of disinfectants.
 Chlorine: Sod. Or Calcium hypo chloride, good on M.O, Corrosive.
 Quaternary Ammonium Compound: decrease surface tension, easily applied,
little corrosive action, expensive, inactivated by soap.
 Amorphic compound: wide spectrum, low acidity, low corrosive effect, expensive,
not effective with hard water.
 Phenolic compound: effective on spore, mold, virus, cause skin irritation.
 Peracetic acid: H2O2 + acetic + peracetic acid, very effective non corrosive.

14. what to DO &
What Do Not?
Program of abattoir cleaning

15. Program of abattoir cleaning
 Clearance for cleaning: removing carcass from processing area – chilling room
and other items retarding the cleaning performance.
1) Regular removing of soil.
2) Pre-rinsing.
3) Washing abattoir with water & Detergent.
4) Rinsing.
5) Application of disinfection.
6) Post Rinsing.
7) Post Treatment.
8) Disassembling after cleaning.
9) Assembling for cleaning.

16. Emergency Disinfection
 In case of Notifiable diseases ex: Anthrax, FMD.
 Using NaOH 5% conc. Or Sodium Hypochloride 0.5% Or Formaldehyde 10 %
For all instruments.
 Using of hot water at 90˚ C.
 Using of lime on Lairage, Vehicles, Stables.

17. Control measures for cleaning &
disinfection.
 Visual control of cleaning standards.
 Other measures to control.
 Bacteriological control (TBC).