SALMONELLA
PROTOCOLS
|
FEED
MILL |
|
|
1 |
Ensure all raw materials are
routinely tested and batches of finished food are tested according to the
Salmonella Animal Feed Regulations. |
|
2 |
Ensure
that where a positive Salmonella isolate has been identified in a food
sample, that a systematic back tracing is carried out. |
|
3 |
Ensure
that lorries delivering feed are well maintained and the internal structure
ensures that lorries can be cleaned out between each delivery. |
ON THE UNIT
|
Feed Storage Bins |
|
|
4 |
Are
feed storage bins secure from birds and vermin? |
|
5 |
Do birds or vermin land on feed
barrows used to deliver the feed into the pens/troughs? |
|
6 |
Are
food hoppers kept covered to reduce the risk of contamination from other
sources (e.g.) birds or vermin? |
|
7 |
Ascertain
the level the birds and vermin on the unit. |
|
8 |
Date
the suspect feed was delivered? Was
the feed delivered to an empty
bin? |
|
UNIT
SECURITY |
|
|
9 |
Are
there proper entry procedures and separate boots and overalls for all staff
and visitors? |
|
10 |
Are
there foot dips on entry into the unit?
Is the foot disinfectant fresh? |
|
11 |
Are
there other livestock production systems, such as calves or chickens which
may be a potent source of Salmonella within the unit vicinity? |
|
12 |
Are there proper
hand washing and toilet facilities for staff in accordance with Health and
Safety and Employment Regulations? |
|
13 |
If
bedding is used such as straw, is this free from contamination with rodents?
|
|
14 |
Does
the manure handling system, particularly scrape through systems, encourage
the spread of disease from pen to pen? |
|
15 |
How
clean are the water supplies/storage facilities? |
Unit Health Status
|
|
|
16 |
Are
there any diseases that may make the animals more susceptible to Salmonella
such as, PMWS, Porcine Reproductive and Respiratory Syndrome (PRRSv), Actinobacillus pleuropneumoniae, high
levels of respiratory disease complex or colitis. |
|
17 |
Are
all animals housed in the same air space? |
|
18 |
Do
they share common faeces disposal systems? |
SAMPLING
PROCEDURES
|
|
|
1 |
Have
samples been collected from the feed bin where the suspect feed has
been found? Was the sample collected
from the top and the bottom of
the feed sample? |
|
2 |
Were
the sampling procedures adequate to ensure no contamination has occurred
from within the environment? |
|
3 |
Ensure
samples have been taken with an independent arbitrator present and
properly identified with a number and signed. |
|
4 |
Check that feed samples
are placed in sterile bags in a manner that would preclude any risk of
contamination from hands or other formites. |
ANIMALS AFFECTED
|
|
|
1 |
What
proportion of pigs fed the allegedly contaminated feed showed signs of
Salmonella or other diseases. - Number -
Weight -
Symptoms -
Number died -
Number recovered -
Number of runts |
|
2 |
What
proportion of pigs were already showing signs of other scour such as
swine dysentery or colitis? How many pigs were identified initially scouring? |
|
3 |
How
many pigs were identified initially scouring? |
|
4 |
Detailed
inventory of events. |
|
5 |
What
was the type, colour and consistency of the scour? |
|
6 |
Veterinary
reports. |
|
7 |
Medicines
used and response. |
LABORATORY
EVIDENCE
|
|
|
1 |
Copies
of bacteriological and post-mortem investigations by the units veterinary
surgeon are required. |
|
2 |
Copies
of all laboratory reports are required. |