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==Sandbox begins below==
==Sandbox begins below==
<div class="nonumtoc">__TOC__</div>
<div class="nonumtoc">__TOC__</div>
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[[File:|right|450px]]
'''Title''': ''What are the key elements of a LIMS for animal feed testing?''
'''Title''': ''What types of testing occur within an animal feed testing laboratory?''


'''Author for citation''': Shawn E. Douglas
'''Author for citation''': Shawn E. Douglas
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'''License for content''': [https://creativecommons.org/licenses/by-sa/4.0/ Creative Commons Attribution-ShareAlike 4.0 International]
'''License for content''': [https://creativecommons.org/licenses/by-sa/4.0/ Creative Commons Attribution-ShareAlike 4.0 International]


'''Publication date''': May 2024
'''Publication date''': June 2024


==Introduction==
==Introduction==


 
This brief topical article will ...
This brief topical article will examine ...


'''Note''': Any citation leading to a software vendor's site is not to be considered a recommendation for that vendor. The citation should however still stand as a representational example of what vendors are implementing in their systems.
'''Note''': Any citation leading to a software vendor's site is not to be considered a recommendation for that vendor. The citation should however still stand as a representational example of what vendors are implementing in their systems.


 
==Broad testing within the industry==
A feed testing lab can operate within a number of different production, research, and public health contexts. They can<ref name="WardObtain24">{{cite web |url=https://animal.ifas.ufl.edu/media/animalifasufledu/dairy-website/ruminant-nutrition-symposium/archives/12.-WardRNS2024.pdf |format=PDF |author=Ward, R. |title=Obtaining value from a feed/forage lab engagement |work=Florida Ruminant Nutrition Symposium |date=27 February 2024 |accessdate=22 May 2024}}</ref>:
A feed testing [[laboratory]] can operate within a number of different research and development (R&D&#59; academic and industry), production, and [[public health]] roles. They can<ref name="WardObtain24">{{cite web |url=https://animal.ifas.ufl.edu/media/animalifasufledu/dairy-website/ruminant-nutrition-symposium/archives/12.-WardRNS2024.pdf |format=PDF |author=Ward, R. |title=Obtaining value from a feed/forage lab engagement |work=Florida Ruminant Nutrition Symposium |date=27 February 2024 |accessdate=28 May 2024}}</ref>:


*act as a third-party consultant, interpreting analytical data;
*act as a third-party consultant, interpreting analytical data;
Line 31: Line 30:
*provide analytical support for nutrition and contaminant determinations;
*provide analytical support for nutrition and contaminant determinations;
*provide development support for analytical methods;
*provide development support for analytical methods;
*ensure quality to specifications, accreditor standards, and regulations;
*ensure [[Quality (business)|quality]] to specifications, accreditor standards, and regulations;
*develop informative databases and data libraries for researchers;
*develop informative databases and data libraries for researchers;
*manage in-house and remote sample collection, labeling, and registration, including on farms; and
*manage in-house and remote sample collection, labeling, and registration, including on farms; and
*report accurate and timely results to stakeholders, including those responsible for monitoring public health.
*report accurate and timely results to stakeholders, including those responsible for monitoring public health.


This wide variety of roles further highlights the already obvious cross-disciplinary nature of analyzing animal feed ingredients and products, and interpreting the resulting data. The human [[Biology|biological]] sciences, [[Veterinary medicine|veterinary sciences]], [[environmental science]]s, [[chemistry]], [[microbiology]], [[radiochemistry]], [[botany]], [[epidemiology]], and more may be involved within a given animal feed analysis laboratory.<ref>{{Cite journal |last=Schnepf |first=Anne |last2=Hille |first2=Katja |last3=van Mark |first3=Gesine |last4=Winkelmann |first4=Tristan |last5=Remm |first5=Karen |last6=Kunze |first6=Katrin |last7=Velleuer |first7=Reinhard |last8=Kreienbrock |first8=Lothar |date=2024-02-06 |title=Basis for a One Health Approach—Inventory of Routine Data Collections on Zoonotic Diseases in Lower Saxony, Germany |url=https://www.mdpi.com/2813-0227/4/1/7 |journal=Zoonotic Diseases |language=en |volume=4 |issue=1 |pages=57–73 |doi=10.3390/zoonoticdis4010007 |issn=2813-0227}}</ref><ref name="PFPLSWHumanAnim18">{{cite web |url=https://www.aphl.org/programs/food_safety/APHL%20Documents/LBPM_Dec2018.pdf |format=PDF |title=Human and Animal Food Testing Laboratories Best Practices Manual |author=Partnership for Food Protection Laboratory Science Workgroup |date=December 2018 |accessdate=22 May 2024}}</ref> Given this significant cross-disciplinarity, it's arguably more challenging for software developers creating [[laboratory informatics]] solutions like a [[laboratory information management system]] (LIMS) that has the breadth to cover the production, R&D, and public health contexts of animal feed testing.
This wide variety of activities and workflows within these major roles highlights several aspects of the labs operating in the animal feed sector. First, like the more human-based food and beverage industry, the types of testing will vary based upon the role. From R&D and pre-production optimization and [[quality assurance]] (QA) to production and post-production [[quality control]] (QC) and regulatory safety, analytical workflows can differ, sometimes significantly, in the food and beverage industry.<ref name="DouglasFoodBevTest22">{{cite web |url=https://www.limswiki.org/index.php/LIMS_Q%26A:What_types_of_testing_occur_within_a_food_and_beverage_laboratory%3F |title=LIMS Q&A:What types of testing occur within a food and beverage laboratory? |author=Douglas, S.E. |work=LIMSwiki |date=August 2022 |accessdate=11 June 2024}}</ref> This is similarly true for labs in the animal feed industry. As such—regulations and standards aside—we can draw similar parallels in the test types found in feed analysis labs.
 
Second—and also similar to food and beverage testing<ref name="DouglasFoodBevTest22" />—the activities and workflows listed above also highlight the cross-disciplinary nature of analyzing animal feed ingredients and products, and interpreting the resulting data. The human [[Biology|biological]] sciences, [[Veterinary medicine|veterinary sciences]], [[environmental science]]s, [[chemistry]], [[microbiology]], [[radiochemistry]], [[botany]], [[epidemiology]], and more may be involved within a given animal feed analysis laboratory.<ref>{{Cite journal |last=Schnepf |first=Anne |last2=Hille |first2=Katja |last3=van Mark |first3=Gesine |last4=Winkelmann |first4=Tristan |last5=Remm |first5=Karen |last6=Kunze |first6=Katrin |last7=Velleuer |first7=Reinhard |last8=Kreienbrock |first8=Lothar |date=2024-02-06 |title=Basis for a One Health Approach—Inventory of Routine Data Collections on Zoonotic Diseases in Lower Saxony, Germany |url=https://www.mdpi.com/2813-0227/4/1/7 |journal=Zoonotic Diseases |language=en |volume=4 |issue=1 |pages=57–73 |doi=10.3390/zoonoticdis4010007 |issn=2813-0227}}</ref><ref name="PFPLSWHumanAnim18">{{cite web |url=https://www.aphl.org/programs/food_safety/APHL%20Documents/LBPM_Dec2018.pdf |format=PDF |title=Human and Animal Food Testing Laboratories Best Practices Manual |author=Partnership for Food Protection Laboratory Science Workgroup |date=December 2018 |accessdate=28 May 2024}}</ref><ref name=":0">{{Cite journal |last=Wood |first=Hannah |last2=O'Connor |first2=Annette |last3=Sargeant |first3=Jan |last4=Glanville |first4=Julie |date=2018-12 |title=Information retrieval for systematic reviews in food and feed topics: A narrative review |url=https://onlinelibrary.wiley.com/doi/10.1002/jrsm.1289 |journal=Research Synthesis Methods |language=en |volume=9 |issue=4 |pages=527–539 |doi=10.1002/jrsm.1289 |issn=1759-2879}}</ref> Given this significant cross-disciplinarity, it's can be challenging to characterize the full spectrum of testing found within feed testing labs.
 
For the rest of this article, we'll take a similar approach to the food and industry<ref name="DouglasFoodBevTest22" /> and break down testing by the various roles feed testing labs can fill.
 
==Testing within the primary roles of a feed lab==
The type of testing occurring within a feed lab will vary depending on the role it plays within the larger framework of industry needs. The following subsections examine the three primary roles of these labs and the testing required to meet their goals.
 
===R&D roles===
'''Aroma/flavor analysis and formulation''': Broadly speaking, "sensomic" studies—an approach to describing the sensory properties of foodstuffs at a molecular level<ref name="VrzalSenso19">{{Cite journal |last=Vrzal |first=Tomáš |last2=Olšovská |first2=Jana |date=2019-10-15 |title=Sensomics - basic principles and practice |url=http://www.kvasnyprumysl.eu/index.php/kp/article/view/190 |journal=KVASNY PRUMYSL |volume=65 |issue=5 |doi=10.18832/kp2019.65.166 |issn=2570-8619}}</ref>—are not as important to the feed industry as they are to the food and beverage industry. However, secondarily, sensomic studies may be conducted on the resulting animal proteins (whether produced by the animal, e.g., milk or eggs, or as part of the animal, e.g., their meat) consumed by humans in conjunction with what is fed those animals. For example, laboratory research on the sensory perceptions of dairy and meat products derived from feeding animals certain forage and feed remains important.<ref>{{Cite journal |last=Schreurs |first=N.M. |last2=Lane |first2=G.A. |last3=Tavendale |first3=M.H. |last4=Barry |first4=T.N. |last5=McNabb |first5=W.C. |date=2008-10 |title=Pastoral flavour in meat products from ruminants fed fresh forages and its amelioration by forage condensed tannins |url=https://linkinghub.elsevier.com/retrieve/pii/S037784010800059X |journal=Animal Feed Science and Technology |language=en |volume=146 |issue=3-4 |pages=193–221 |doi=10.1016/j.anifeedsci.2008.03.002}}</ref><ref>{{Cite journal |last=Faccia |first=Michele |date=2020-08-27 |title=The Flavor of Dairy Products from Grass-Fed Cows |url=https://www.mdpi.com/2304-8158/9/9/1188 |journal=Foods |language=en |volume=9 |issue=9 |pages=1188 |doi=10.3390/foods9091188 |issn=2304-8158 |pmc=PMC7555911 |pmid=32867231}}</ref> This can be a challenging task for laboratorians given complex matrices, chemical changes, and sensory relationships, requiring specialized analytical techniques and equipment.<ref>{{Cite journal |last=Regueiro |first=Jorge |last2=Negreira |first2=Noelia |last3=Simal-Gándara |first3=Jesús |date=2017-07-03 |title=Challenges in relating concentrations of aromas and tastes with flavor features of foods |url=https://www.tandfonline.com/doi/full/10.1080/10408398.2015.1048775 |journal=Critical Reviews in Food Science and Nutrition |language=en |volume=57 |issue=10 |pages=2112–2127 |doi=10.1080/10408398.2015.1048775 |issn=1040-8398}}</ref>
 
'''Genetic modification for improved yields and nutrition''': Genetically modified (GM) crops continue to be important to the feed industry, given that historically 70 to 90 percent of all GM crops and their biomass have been used in animal feed.<ref name="GiraldoSafety19">{{Cite journal |last=Giraldo |first=Paula A. |last2=Shinozuka |first2=Hiroshi |last3=Spangenberg |first3=German C. |last4=Cogan |first4=Noel O.I. |last5=Smith |first5=Kevin F. |date=2019-12-11 |title=Safety Assessment of Genetically Modified Feed: Is There Any Difference From Food? |url=https://www.frontiersin.org/article/10.3389/fpls.2019.01592/full |journal=Frontiers in Plant Science |volume=10 |pages=1592 |doi=10.3389/fpls.2019.01592 |issn=1664-462X |pmc=PMC6918800 |pmid=31921242}}</ref> However, feed safety studies are also vital to any R&D efforts to genetically improve crops and biomass used in animal feed. These studies seek to answer questions of substantial equivalence, overall safety to animals and humans, and overall safety of any products derived from the animals consuming GM feed. These types of studies will incorporate molecular characterization testing using, for example, [[Polymerase chain reaction#Variations|real-time polymerase chain reaction]] (qPCR); traceability testing using [[Digital polymerase chain reaction#Droplet digital PCR|droplet digital PCR]] (ddPCR) or [[loop-mediated isothermal amplification]] (LAMP); and toxicological testing using a variety of [[omics]] techniques.<ref name="GiraldoSafety19" />
 
'''Nutritional reformulation''': Improving "animal growth and performance, as well as the quality of animal-derived products" remains a goal for the feed industry.<ref name="MahroseSea22">{{Citation |last=Mahrose |first=Khalid M. |last2=Michalak |first2=Izabela |date=2022 |editor-last=Ranga Rao |editor-first=Ambati |editor2-last=Ravishankar |editor2-first=Gokare A. |title=Seaweeds for Animal Feed, Current Status, Challenges, and Opportunities |url=https://link.springer.com/10.1007/978-3-030-91955-9_19 |work=Sustainable Global Resources Of Seaweeds Volume 1 |language=en |publisher=Springer International Publishing |place=Cham |pages=357–379 |doi=10.1007/978-3-030-91955-9_19 |isbn=978-3-030-91954-2 |accessdate=2024-06-14}}</ref> Developing new products and reformulating existing products to meet those goals involves the careful consideration of additives, their beneficial properties, and their practical incorporation into feed. As such, seaweeds<ref name="MahroseSea22" />, hempseed<ref>{{Cite journal |last=Xu |first=Youjie |last2=Li |first2=Jun |last3=Zhao |first3=Jikai |last4=Wang |first4=Weiqun |last5=Griffin |first5=Jason |last6=Li |first6=Yonghui |last7=Bean |first7=Scott |last8=Tilley |first8=Mike |last9=Wang |first9=Donghai |date=2021-02 |title=Hempseed as a nutritious and healthy human food or animal feed source: a review |url=https://ifst.onlinelibrary.wiley.com/doi/10.1111/ijfs.14755 |journal=International Journal of Food Science & Technology |language=en |volume=56 |issue=2 |pages=530–543 |doi=10.1111/ijfs.14755 |issn=0950-5423}}</ref>, insects<ref>{{Cite journal |last=van Huis |first=Arnold |last2=Gasco |first2=Laura |date=2023-01-13 |title=Insects as feed for livestock production |url=https://www.science.org/doi/10.1126/science.adc9165 |journal=Science |language=en |volume=379 |issue=6628 |pages=138–139 |doi=10.1126/science.adc9165 |issn=0036-8075}}</ref>, and food losses and wastes<ref>{{Cite journal |last=Boumans |first=Iris J.M.M. |last2=Schop |first2=Marijke |last3=Bracke |first3=Marc B.M. |last4=de Boer |first4=Imke J.M. |last5=Gerrits |first5=Walter J.J. |last6=Bokkers |first6=Eddie A.M. |date=2022-12 |title=Feeding food losses and waste to pigs and poultry: Implications for feed quality and production |url=https://linkinghub.elsevier.com/retrieve/pii/S0959652622041956 |journal=Journal of Cleaner Production |language=en |volume=378 |pages=134623 |doi=10.1016/j.jclepro.2022.134623}}</ref> have been investigated as ways to improve nutritional quality and animal-derived product outcomes. However, given the diverse array of input materials, accurately portraying the testing that comes with reformulation is challenging. A broad array of analytical techniques and industry knowledge, varying based upon the component sought out for change, can be at play. A combination of [[near-infrared spectroscopy]] (NIRS) and wet chemistry techniques can be used to determine, for example, concentrations of key nutrients. Even more complicated can be the application of nutrigenomics to feed optimization and reformulation efforts, requiring knowledge and equipment for a variety of omics techniques.<ref>{{Cite journal |last=Haq |first=Zulfqar ul |last2=Saleem |first2=Afnan |last3=Khan |first3=Azmat Alam |last4=Dar |first4=Mashooq Ahmad |last5=Ganaie |first5=Abdul Majeed |last6=Beigh |first6=Yasir Afzal |last7=Hamadani |first7=Heena |last8=Ahmad |first8=Syed Mudasir |date=2022-09 |title=Nutrigenomics in livestock sector and its human-animal interface-a review |url=https://linkinghub.elsevier.com/retrieve/pii/S2451943X22000333 |journal=Veterinary and Animal Science |language=en |volume=17 |pages=100262 |doi=10.1016/j.vas.2022.100262 |pmc=PMC9287789 |pmid=35856004}}</ref>
 
'''Stability, cycle, and challenge testing''': Multiple deteriorative catalysts can influence the stability of a feed product, from microbiological contaminants and chemical deterioration to storage conditions and the packaging itself. As such, there are multiple approaches to limiting the effects of those catalysts, from introducing additives to improving the packaging.<ref name="SubramaniamTheStab16">{{Cite book |date=2016 |editor-last=Subramaniam |editor-first=Persis |title=The stability and shelf life of food |url=https://www.worldcat.org/title/mediawiki/oclc/956922925 |series=Woodhead Publishing Series in Food Science, Technology and Nutrition |edition=Second edition |publisher=Elsevier/WP, Woodhead Publishing |place=Amsterdam |isbn=978-0-08-100436-4 |oclc=956922925}}</ref> The analytical techniques applied in stability, cycle, and challenge testing will vary based on, to a large degree, the product matrix and its chemical composition.<ref name="SubramaniamTheStab16" /> Microbiological testing of feed is sure to be involved in stability testing<ref>{{Cite web |last=International Cooperation for Convergence of Technical Requirements for the Assessment of Feed Ingredients |date=March 2019 |title=Stability Testing of Feed Ingredients |work=ICCF Guidance #01 |url=https://ifif.org/wp-content/uploads/2019/04/ICCF_GL_01-Stability-Testing-Step7.pdf |format=PDF |publisher=International Cooperation for Convergence of Technical Requirements for the Assessment of Feed Ingredients}}</ref>, as well as in challenge testing, which simulates what could happen to a product if contaminated by a microorganism and placed in a representative storage condition.<ref>{{Cite journal |last=Lanni |first=Luigi |last2=Morena |first2=Valeria |last3=Scattareggia Marchese |first3=Adriana |last4=Destro |first4=Gessica |last5=Ferioli |first5=Marcello |last6=Catellani |first6=Paolo |last7=Giaccone |first7=Valerio |date=2021-12-23 |title=Challenge Test as Special Tool to Estimate the Dynamic of Listeria monocytogenes and Other Foodborne Pathogens |url=https://www.mdpi.com/2304-8158/11/1/32 |journal=Foods |language=en |volume=11 |issue=1 |pages=32 |doi=10.3390/foods11010032 |issn=2304-8158 |pmc=PMC8750539 |pmid=35010159}}</ref><ref>{{Cite book |last=Komitopoulou, E. |date=2011 |editor-last=Kilcast |editor-first=David |editor2-last=Subramaniam |editor2-first=Persis |title=Food and beverage stability and shelf life |url=https://www.worldcat.org/title/mediawiki/oclc/838321011 |chapter=Microbiological challenge testing of food |series=Woodhead Publishing Series in Food Science, Technology and Nutrition |publisher=WP, Woodhead Publ |place=Oxford |pages=507–526 |isbn=978-0-85709-254-0 |oclc=838321011}}</ref>
 
===Pre-manufacturing and manufacturing roles===
The feed laboratory participating in this role is performing one or more tasks that relate to the preparative (i.e., pre-manufacturing) or QC (i.e., manufacturing) tasks of feed production. Predominantly, this looks like QC testing in the feed industry.
 
'''QA and QC testing''': Feed producers invest significantly in a product they believe in, requiring assurances along the way that it will have its best chance of success in the open market. The producer will want to ensure high-quality raw ingredients, high-quality equipment, an effective processing layout, and high customer satisfaction. A well-implemented [[quality management system]] (QMS) plays a major role in ensuring those requirements, and by extension that includes both QA and QC testing. Many aspects of feed production require high levels of quality, and as such, the type of analytical testing that takes place will vary, sometimes significantly, depending upon the associated risk. Are microbiological, physiological, or chemical risks being managed? Have allergens been inadvertently introduced? Are the nutritional requirements for the product still being met given the raw ingredient inputs as they stand currently? Is dangerous, unexpected foreign matter being introduced somewhere in the production workflow? Is their a product problem requiring analytic-based traceability back to a particular supplier? These and other risk-based questions get answered through QA and QC testing.
 
 
 
 
<ref>{{Cite book |date=2012 |editor-last=Fink-Gremmels |editor-first=Johanna |title=Animal feed contamination: effects on livestock and food safety |url=https://www.worldcat.org/title/mediawiki/oclc/711047986 |series=Woodhead Publishing series in food science, technology and nutrition |publisher=Woodhead Publishing Limited |place=Cambridge, UK : Philadelphia |isbn=978-1-84569-725-9 |oclc=711047986}}</ref><ref>{{Cite journal |last=Kostyra |first=H. |last2=Kostyra |first2=E. |last3=Złotkowska |first3=D. |date=2008 |title=Potential animal feed allergens |url=https://pubmed.ncbi.nlm.nih.gov/18942549 |journal=Polish Journal of Veterinary Sciences |volume=11 |issue=3 |pages=251–255 |issn=1505-1773 |pmid=18942549}}</ref><ref name="CBRIAnimalFeed13">{{cite web |url=https://www.campdenbri.co.uk/_access/download.php?type=whitePaper&file=feed-white-paper.pdf&access=public&name=feed-white-paper.pdf&hash=a9a2d6a87f18363a561b5f333e6016abcf4b7acff6bdb49333432355905f7b5c |format=PDF |title=Animal Feed Safety and Quality |author=Campden BRI |date=April 2013 |accessdate=15 June 2024}}</ref><ref name="TrouwRole20">{{cite web |url=https://www.trouwnutritionasiapacific.com/en-in/7.0-tn-In-news-and-events/highlighted-stories/2020/role-of-quality-control-laboratories-in-animal-feed-production/ |title=Role of Quality Control Laboratories in Animal Feed Production  |publisher=Trouw Nutrition |date=23 June 2020 |accessdate=14 June 2024}}</ref><ref name="WardObtain24">{{cite web |url=https://animal.ifas.ufl.edu/media/animalifasufledu/dairy-website/ruminant-nutrition-symposium/archives/12.-WardRNS2024.pdf |format=PDF |author=Ward, R. |title=Obtaining value from a feed/forage lab engagement |work=Florida Ruminant Nutrition Symposium |date=27 February 2024 |accessdate=28 May 2024}}</ref><ref name="KoelemanFive23">{{cite web |url=https://www.allaboutfeed.net/animal-feed/raw-materials/5-questions-to-masterlab-around-feed-analysis/ |title=5 questions for MasterLab around feed analysis |author=Koeleman, E.; Trouw Nutrition |work=All About Feed |date=12 June 2023 |accessdate=15 June 2025}}</ref>
 


==Base LIMS requirements for animal feed testing==




==Specialty LIMS requirements==
===Post-production regulation and safety roles===





Latest revision as of 18:44, 15 June 2024

Sandbox begins below

[[File:|right|450px]] Title: What types of testing occur within an animal feed testing laboratory?

Author for citation: Shawn E. Douglas

License for content: Creative Commons Attribution-ShareAlike 4.0 International

Publication date: June 2024

Introduction

This brief topical article will ...

Note: Any citation leading to a software vendor's site is not to be considered a recommendation for that vendor. The citation should however still stand as a representational example of what vendors are implementing in their systems.

Broad testing within the industry

A feed testing laboratory can operate within a number of different research and development (R&D; academic and industry), production, and public health roles. They can[1]:

  • act as a third-party consultant, interpreting analytical data;
  • provide research and development support for new and revised formulations;
  • provide analytical support for nutrition and contaminant determinations;
  • provide development support for analytical methods;
  • ensure quality to specifications, accreditor standards, and regulations;
  • develop informative databases and data libraries for researchers;
  • manage in-house and remote sample collection, labeling, and registration, including on farms; and
  • report accurate and timely results to stakeholders, including those responsible for monitoring public health.

This wide variety of activities and workflows within these major roles highlights several aspects of the labs operating in the animal feed sector. First, like the more human-based food and beverage industry, the types of testing will vary based upon the role. From R&D and pre-production optimization and quality assurance (QA) to production and post-production quality control (QC) and regulatory safety, analytical workflows can differ, sometimes significantly, in the food and beverage industry.[2] This is similarly true for labs in the animal feed industry. As such—regulations and standards aside—we can draw similar parallels in the test types found in feed analysis labs.

Second—and also similar to food and beverage testing[2]—the activities and workflows listed above also highlight the cross-disciplinary nature of analyzing animal feed ingredients and products, and interpreting the resulting data. The human biological sciences, veterinary sciences, environmental sciences, chemistry, microbiology, radiochemistry, botany, epidemiology, and more may be involved within a given animal feed analysis laboratory.[3][4][5] Given this significant cross-disciplinarity, it's can be challenging to characterize the full spectrum of testing found within feed testing labs.

For the rest of this article, we'll take a similar approach to the food and industry[2] and break down testing by the various roles feed testing labs can fill.

Testing within the primary roles of a feed lab

The type of testing occurring within a feed lab will vary depending on the role it plays within the larger framework of industry needs. The following subsections examine the three primary roles of these labs and the testing required to meet their goals.

R&D roles

Aroma/flavor analysis and formulation: Broadly speaking, "sensomic" studies—an approach to describing the sensory properties of foodstuffs at a molecular level[6]—are not as important to the feed industry as they are to the food and beverage industry. However, secondarily, sensomic studies may be conducted on the resulting animal proteins (whether produced by the animal, e.g., milk or eggs, or as part of the animal, e.g., their meat) consumed by humans in conjunction with what is fed those animals. For example, laboratory research on the sensory perceptions of dairy and meat products derived from feeding animals certain forage and feed remains important.[7][8] This can be a challenging task for laboratorians given complex matrices, chemical changes, and sensory relationships, requiring specialized analytical techniques and equipment.[9]

Genetic modification for improved yields and nutrition: Genetically modified (GM) crops continue to be important to the feed industry, given that historically 70 to 90 percent of all GM crops and their biomass have been used in animal feed.[10] However, feed safety studies are also vital to any R&D efforts to genetically improve crops and biomass used in animal feed. These studies seek to answer questions of substantial equivalence, overall safety to animals and humans, and overall safety of any products derived from the animals consuming GM feed. These types of studies will incorporate molecular characterization testing using, for example, real-time polymerase chain reaction (qPCR); traceability testing using droplet digital PCR (ddPCR) or loop-mediated isothermal amplification (LAMP); and toxicological testing using a variety of omics techniques.[10]

Nutritional reformulation: Improving "animal growth and performance, as well as the quality of animal-derived products" remains a goal for the feed industry.[11] Developing new products and reformulating existing products to meet those goals involves the careful consideration of additives, their beneficial properties, and their practical incorporation into feed. As such, seaweeds[11], hempseed[12], insects[13], and food losses and wastes[14] have been investigated as ways to improve nutritional quality and animal-derived product outcomes. However, given the diverse array of input materials, accurately portraying the testing that comes with reformulation is challenging. A broad array of analytical techniques and industry knowledge, varying based upon the component sought out for change, can be at play. A combination of near-infrared spectroscopy (NIRS) and wet chemistry techniques can be used to determine, for example, concentrations of key nutrients. Even more complicated can be the application of nutrigenomics to feed optimization and reformulation efforts, requiring knowledge and equipment for a variety of omics techniques.[15]

Stability, cycle, and challenge testing: Multiple deteriorative catalysts can influence the stability of a feed product, from microbiological contaminants and chemical deterioration to storage conditions and the packaging itself. As such, there are multiple approaches to limiting the effects of those catalysts, from introducing additives to improving the packaging.[16] The analytical techniques applied in stability, cycle, and challenge testing will vary based on, to a large degree, the product matrix and its chemical composition.[16] Microbiological testing of feed is sure to be involved in stability testing[17], as well as in challenge testing, which simulates what could happen to a product if contaminated by a microorganism and placed in a representative storage condition.[18][19]

Pre-manufacturing and manufacturing roles

The feed laboratory participating in this role is performing one or more tasks that relate to the preparative (i.e., pre-manufacturing) or QC (i.e., manufacturing) tasks of feed production. Predominantly, this looks like QC testing in the feed industry.

QA and QC testing: Feed producers invest significantly in a product they believe in, requiring assurances along the way that it will have its best chance of success in the open market. The producer will want to ensure high-quality raw ingredients, high-quality equipment, an effective processing layout, and high customer satisfaction. A well-implemented quality management system (QMS) plays a major role in ensuring those requirements, and by extension that includes both QA and QC testing. Many aspects of feed production require high levels of quality, and as such, the type of analytical testing that takes place will vary, sometimes significantly, depending upon the associated risk. Are microbiological, physiological, or chemical risks being managed? Have allergens been inadvertently introduced? Are the nutritional requirements for the product still being met given the raw ingredient inputs as they stand currently? Is dangerous, unexpected foreign matter being introduced somewhere in the production workflow? Is their a product problem requiring analytic-based traceability back to a particular supplier? These and other risk-based questions get answered through QA and QC testing.



[20][21][22][23][1][24]



Post-production regulation and safety roles

Conclusion

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