Alex Stewart Agriculture is delighted to announce to the industry that its head office and principal laboratories in Liverpool, England, United Kingdom – Alex Stewart Agriculture - has been accredited by the United Kingdom Accreditation Service - UKAS - to ISO 17025 Standards for an extension to scope to cover new pet food matrices for ash, fats/oil, crude fibre and moisture content and also an extended matrix scope to food, fats, oils and pet food for fatty acid methyl esters. 

  
 ANIMAL FEED, DRY & WET PET FOODS 
 Chemical Tests

 

 Documented in-house methods identified by method number

Ash (Crude)

   07L.1.011based on ISO 5984:2002  
Fibre (Crude)    07L.1.007 based on ISO 6865:2001 
Moisture and Volatile Matter    07L.1.002 based on ISO 6496:1999 
Oils and Fats (Crude)   
07L.1.004 based on Commission Regulation
(EC) 152/2009  
Food, feed, fats, oils, dry pet foods and wet pet foods 
Fatty Acid
Methyl Esters 
  07L.1.006 based on ISO 12966-2:2011 
 
Other methods which Alex Stewart Agriculture have been accredited to are as follows:
pasting
 ANIMAL FEEDS
 Chemical Tests

 

 Documented in-house methods identified by method number

Calcium 

  

07L.1.005 based on ISO 6869:2000 
Chloride (Total)    

07L.1.009 based on Pearsons Chemical Analysis of Foods using muffle oven and Titration 
Magnesium    

07L.1.005 based on ISO 6869:2000  

Nitrogen 

  

07L.1.003 based on ISO 5983-1:2005 
Potasium   07L.1.010 based on ISO 7485:2000 
Sodium   07L.1.010 based on  ISO 7485:2000 
Oilseed (Rapeseed)  Moisture  07L.1.012 based on SO 665:2000 
Oils   07L.1.013 based on ISO 659:2009 
Animal feed, dry pet foods and wet pet foods  Ash (crude) 07L.1.011 based on ISO 5984:2002 
Fibre (Crude)   07L.1.007 based on ISO 6865:2001
Moisture and Volatile Matter   07L.1.002 based on ISO 6496:1999
Oils and Fats (Crude)   07L1.004 based on Commission Regulation (EC) 152/2009 
Animal feed, dry pet foods and wet pet foods, Food fats and oils  Fatty Acid Methyl Esters 

07L.1.006 based on ISO 12966-2:2011

07l.1.003 based on ISO 5983-1:2005 
Nitrogen/Crude protein    07L.1.23 based on Dumas method 
     
Microbiological Tests     
Detection of: 
Salmonella spp 		   07M.1.001 based on BS EN ISO 6579:2002 + A1:2007 in accordance with the Animal By-Products Regulations (ABPR) 2011 with specific reference to Regulation (EC) 1069/2009 and 142/2011
Enumeration of: Clostridium  perfringens    07M.1.003 based on BS EN ISO 7937:2004 in accordance with the Animal By-Products Regulations (ABPR) 2011 with specific reference to Regulation (EC) 1069/2009 and 142/2011

Enterobacteriaceae 

   07M.1.002 based on BS ISO 21528-2:2004 in accordance with the Animal By-Products Regulations (ABPR) 2011 with specific reference to Regulation (EC) 1069/2009 and 142/2011 
     
ENVIRONMENTAL SAMPLES   
Detection of:

Listeria spp including Identificaiton of Listeria monocytogenes 

07M.1.016 based on BS EN ISO 11290-1:1997 
Salmonella spp  07M.1.004 based on BS EN ISO 6579:2002 + A1:2007 
Enumeration of: Aerobic Colony Count  07M.1.007 based on BS EN ISO 4833-1:2013
Coliforms (presumptive)  07M.1.011 based on BS ISO 4832:2006 at 37 °C
E. coli (ßeta-glucuronidase-positive)  07M.1.010 based on BS ISO 16649-2:2001
Enterobacteriaceae (presumptive and confirmed) 
07M.1.005 based on BS ISO 21528-2:2004
Faecal Streptococci (presumptive)  07M.1.018 based on BS 4285-3.11:1985
Listeria spp including Identificaiton of Listeria monocytogenes  07M.1.017 based on BS EN ISO 11290-2:1998
Coagulase positive staphylococci including Staphylococcus aureus  07M.1.012 based on BS EN ISO 6888-1:1999 and confirmation using Microgen latex 
   
 FOOD and FOOD PRODUCTS   
Ash (excluding dairy products and oil seeds)

Fat (Total) 

 07L.1.016 based on BS 4401-1:1998 07L.1.017 based on BS 4401-4:1970  
Foods containing <15% sugar excluding dairy products, oil seeds)  Moisture and Volatile Matter 07L.1.015 (method A) based on BS 4401- 3:1997 
Foods containing >15% sugar (excluding dairy products, oil seeds) Moisture and Volatile Matter  

07L.1.015 (method B) based on BS 4401- 3:1997 
Protein (Crude) (Calculated from Nitrogen)    07L.1.018 based on BS 4401-2:1980 
Nitrogen/Crude protein 07L.1.23    07L.1.23 based on Dumas method 
Other than matrices affected by above exclusions  Energy and Carbohydrate by Calculation  07L.1.019 
     
Microbiological Tests     

Detection of:

Listeria spp including Identificaiton of Listeria monocytogenes  		 07M.1.016 based on BS EN ISO 11290-1:1997 
Enumeration of: Aerobic Colony Count  07M.1.007 based on BS EN ISO 4833-1:2013 
Bacillus cereus (presumptive)  07M.1.013 based on BS EN ISO 7932:2004 
Clostridium perfringens  07M.1.006 based on based on BS EN ISO 7937:2004 

Coliforms (presumptive) 

 07M.1.011 based on BS ISO 4832:2006 at 37 °C 
E. coli (ßeta-glucuronidase-positive)  07M.1.010 based on BS ISO 16649-2:2001 
Enterobacteriaceae (presumptive and confirmed)  07M.1.005 based on BS ISO 21528-2:2004 
Faecal Streptococci (presumptive)  07M.1.018 based on BS 4285-3.11:1985 
Listeria spp including Identificaiton of Listeria monocytogenes  07M.1.017 based on

BS EN ISO 11290-2:1998 
Coagulase positive staphylococci including Staphylococcus aureus  07M.1.012 based on BS EN ISO 6888-1:1999 and confirmation using Microgen latex
   
 FOOD and FOOD PRODUCTS   
 (aW >0.95)  Mould  07M.01.009 based on BS ISO 21527-1:2008 
  Yeast 07M.01.009 based on BS ISO 21527-1:2008 
 
Alex Stewart Agriculture's experienced laboratory technicians and chemists are highly trained to carry out qualitative and quantitative feed and food testing and analysis by traditional and modern instrumentation and by following internationally recognized methods and procedures for animal feeds, environmental samples, pet food, food and food products. These include calcium, chloride, magnesium, nitrogen, potassium, sodium, protein, ash, fibre, moisture, salmonella, e-coli, listeria, mould and yeast. This is in order to ensure that our customers’ contractual specifications are protected by providing fast and accurate results.

Other ISO-certified Alex Stewart International laboratories include AS International Corporation Ltd (UK), Alex Stewart International Argentina S.A., Alex Stewart Assayers del Peru, Alex Stewart International Chile, Alex Stewart Environmental Laboratory Services Norway, Alex Stewart Agriculture do Brasil, Alex Stewart Agriculture China, Alex Stewart International Dubai, Alex Stewart International Ukraine, Alex Stewart International India, Alex Stewart International Rwanda and Alex Stewart International Zambia.

Alex Stewart Agriculture Ltd is an ISO/IEC 17025: 2005 accredited company providing world class FOSFA, GAFTA and UKAS approved analysis to support its GAFTA, GTAS, and FOSFA approved inspection and sampling services. It is supported by the A. Norman Tate, Huson and Hardwick and Food Test Laboratories for the facilitation of the international trading of soft commodities including animal feed, oilseeds, oils & fats, biomass, grains and cereals, fertilizers, raw and refined sugar, water, and also food products.

Alex Stewart International and Alex Stewart Agriculture are fully committed to providing a world class reliable laboratory analysis service to all of our customers.