{"id":21416,"date":"2024-07-26T12:41:32","date_gmt":"2024-07-26T11:41:32","guid":{"rendered":"https:\/\/sgciafrica.org\/la-reproduction-massive-de-criquets-pelerins-permet-de-decouvrir-une-nouvelle-source-de-nourriture\/"},"modified":"2026-02-12T13:32:20","modified_gmt":"2026-02-12T13:32:20","slug":"la-reproduction-massive-de-criquets-pelerins-permet-de-decouvrir-une-nouvelle-source-de-nourriture","status":"publish","type":"post","link":"https:\/\/sgciafrica.org\/fr\/la-reproduction-massive-de-criquets-pelerins-permet-de-decouvrir-une-nouvelle-source-de-nourriture\/","title":{"rendered":"La reproduction massive de criquets p\u00e8lerins permet de d\u00e9couvrir une nouvelle source de nourriture"},"content":{"rendered":"\n<p>[NAIROBI] L\u2019\u00e9levage de masse des criquets p\u00e8lerins dans un environnement contr\u00f4l\u00e9 pourrait fournir une source durable de prot\u00e9ines pour les animaux et les humains, ainsi que des opportunit\u00e9s commerciales en Afrique subsaharienne, selon les chercheurs.<\/p>\n\n<p>Avec pr\u00e8s de <a href=\"https:\/\/reliefweb.int\/report\/world\/africa-regional-overview-food-security-and-nutrition-2023\">282 millions de personnes<\/a> sous-aliment\u00e9es en Afrique et une population croissante, il est urgent de trouver des sources d&rsquo;alimentation plus durables et les insectes comestibles ont attir\u00e9 beaucoup d&rsquo;attention en tant que partie de la solution.<\/p>\n\n<p>En 2022, des chercheurs de l&rsquo;universit\u00e9 de Makerere en Ouganda et de l&rsquo;universit\u00e9 d&rsquo;Egerton au Kenya ont mis au point un prototype de production de grandes quantit\u00e9s de criquets p\u00e8lerins dans des serres g\u00e9antes dans le comt\u00e9 de Homa Bay, au Kenya.<\/p>\n\n<p>Riches en prot\u00e9ines, les criquets peuvent \u00eatre utilis\u00e9s pour nourrir les animaux, notamment les volailles, les porcs et les poissons, et peuvent \u00eatre <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2211912421000821\">consomm\u00e9s sans danger par l&rsquo;homme<\/a>, \u00e0 condition qu&rsquo;ils ne soient pas contamin\u00e9s par un insecticide.<\/p>\n\n<p>\u00ab\u00a0L&rsquo;id\u00e9e d&rsquo;\u00e9lever en masse des criquets p\u00e8lerins a \u00e9t\u00e9 con\u00e7ue pour r\u00e9pondre \u00e0 la p\u00e9nurie permanente d&rsquo;aliments de qualit\u00e9 pour le b\u00e9tail et pour constituer une riche source de prot\u00e9ines pour l&rsquo;alimentation humaine \u00e0 base de criquets\u00a0\u00bb, explique Joshua Ogendo, chercheur principal du projet Locust4Industry et professeur agr\u00e9g\u00e9 de protection des cultures et directeur de l&rsquo;universit\u00e9 d&rsquo;Egerton, au Kenya.<\/p>\n\n<p>Les chercheurs affirment que la m\u00e9thode d&rsquo;\u00e9levage en masse, qui suit un protocole \u00e0 l&rsquo;\u00e9chelle du laboratoire d\u00e9velopp\u00e9 par le Centre international de physiologie et d&rsquo;\u00e9cologie des insectes (Icipe), est maintenant pr\u00eate \u00e0 \u00eatre test\u00e9e.<\/p>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/sgciafrica.org\/wp-content\/uploads\/2024\/07\/Metallic-cages-prototypes-for-raring-desert-locausts-scaled.jpg\" alt=\"\" class=\"wp-image-21384\" srcset=\"https:\/\/sgciafrica.org\/wp-content\/uploads\/2024\/07\/Metallic-cages-prototypes-for-raring-desert-locausts-scaled.jpg 2560w, https:\/\/sgciafrica.org\/wp-content\/uploads\/2024\/07\/Metallic-cages-prototypes-for-raring-desert-locausts-300x200.jpg 300w, https:\/\/sgciafrica.org\/wp-content\/uploads\/2024\/07\/Metallic-cages-prototypes-for-raring-desert-locausts-1024x683.jpg 1024w, https:\/\/sgciafrica.org\/wp-content\/uploads\/2024\/07\/Metallic-cages-prototypes-for-raring-desert-locausts-768x512.jpg 768w, https:\/\/sgciafrica.org\/wp-content\/uploads\/2024\/07\/Metallic-cages-prototypes-for-raring-desert-locausts-1536x1024.jpg 1536w, https:\/\/sgciafrica.org\/wp-content\/uploads\/2024\/07\/Metallic-cages-prototypes-for-raring-desert-locausts-2048x1365.jpg 2048w, https:\/\/sgciafrica.org\/wp-content\/uploads\/2024\/07\/Metallic-cages-prototypes-for-raring-desert-locausts-1920x1280.jpg 1920w, https:\/\/sgciafrica.org\/wp-content\/uploads\/2024\/07\/Metallic-cages-prototypes-for-raring-desert-locausts-1696x1131.jpg 1696w, https:\/\/sgciafrica.org\/wp-content\/uploads\/2024\/07\/Metallic-cages-prototypes-for-raring-desert-locausts-1352x901.jpg 1352w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption class=\"wp-element-caption\"><em>Prototypes de cages m\u00e9talliques pour l&rsquo;\u00e9levage des criquets p\u00e8lerins.<\/em><\/figcaption><\/figure>\n\n<p>Cette approche innovante fait appel \u00e0 ce que les chercheurs appellent la technologie des serres Roof-Park (RPGT) &#8211; une serre en forme de d\u00f4me &#8211; pour cr\u00e9er un environnement contr\u00f4l\u00e9 avec une temp\u00e9rature et une humidit\u00e9 optimales.  <\/p>\n\n<p>Les criquets sont enferm\u00e9s dans un syst\u00e8me de cages prot\u00e9g\u00e9es par une toile m\u00e9tallique qui les emp\u00eache de s&rsquo;\u00e9chapper, ce qui permet de les \u00e9lever \u00e0 grande \u00e9chelle.<\/p>\n\n<p>Les criquets p\u00e8lerins sont g\u00e9n\u00e9ralement nourris avec des r\u00e9gimes alimentaires \u00e0 base de cultures vivri\u00e8res naturelles, tels que des semis de bl\u00e9 ou des haricots communs. Cependant, les scientifiques essaient de formuler des r\u00e9gimes alimentaires \u00e0 base de plantes non vivri\u00e8res afin d\u2019assurer un approvisionnement alimentaire durable. <\/p>\n\n<p>Les phases un et deux du prototypage et du d\u00e9veloppement de l\u2019installation ont \u00e9t\u00e9 soutenues par l\u2019<a href=\"https:\/\/sgciafrica.org\/fr\/\">Initiative des Conseils Subventionnaires de la Science (SGCI)<\/a>, qui vise \u00e0 renforcer les capacit\u00e9s des agences publiques de financement de la science en Afrique subsaharienne.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-economic-boost\"><strong>Coup de pouce \u00e0 l&rsquo;\u00e9conomie<\/strong><\/h2>\n\n<p>Ogendo et son \u00e9quipe affirment que le projet Locust4Industry permettra l&rsquo;exploitation industrielle du criquet p\u00e8lerin en tant que source d&rsquo;alimentation nutritionnelle.<\/p>\n\n<p>\u00ab\u00a0L&rsquo;\u00e9levage en masse du criquet p\u00e8lerin sur le terrain repose sur un mod\u00e8le unique qui permet d&rsquo;appliquer la technologie en cascade aux communaut\u00e9s locales, aux petites et moyennes entreprises et aux acteurs industriels de l&rsquo;alimentation humaine et animale\u00a0\u00bb, a-t-il expliqu\u00e9<em>.<\/em><\/p>\n\n<p>Selon Ogendo, l&rsquo;implication des communaut\u00e9s locales dans l&rsquo;initiative pourrait contribuer \u00e0 stimuler l&rsquo;autonomisation \u00e9conomique, la cr\u00e9ation d&#8217;emplois et l&rsquo;am\u00e9lioration des moyens de subsistance.<\/p>\n\n<p>Chrysantus Mbi Tanga, responsable du programme \u00ab\u00a0Insectes pour l&rsquo;alimentation humaine et animale et autres utilisations\u00a0\u00bb \u00e0 l&rsquo;Icipe, affirme que le criquet p\u00e8lerin est une excellente alternative pour r\u00e9pondre aux besoins en prot\u00e9ines et renforcer la s\u00e9curit\u00e9 alimentaire dans la r\u00e9gion.<\/p>\n\n<p>La teneur en prot\u00e9ines, en mati\u00e8res grasses et en \u00e9nergie des criquets est \u00e9gale ou sup\u00e9rieure \u00e0 celle de la viande, selon <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2211912421000821\">diverses \u00e9tudes<\/a>.<\/p>\n\n<p>\u00ab\u00a0Le criquet p\u00e8lerin n&rsquo;est pas seulement une source de prot\u00e9ines, il contient \u00e9galement divers nutriments, vitamines et min\u00e9raux tels que le fer, le zinc et le calcium\u00a0\u00bb, a expliqu\u00e9 M. Tanga.<\/p>\n\n<p>Il a d\u00e9clar\u00e9 que l&rsquo;extension de l&rsquo;approche de l&rsquo;\u00e9levage de masse pour les criquets pourrait offrir des opportunit\u00e9s commerciales viables en Afrique subsaharienne.<\/p>\n\n<p>Il a toutefois soulign\u00e9 que l&rsquo;\u00e9levage de masse en serre devait \u00eatre effectu\u00e9 avec prudence.<\/p>\n\n<p>\u00ab L\u2019\u00e9vasion [des criquets de la serre] peut entra\u00eener des pertes de r\u00e9coltes importantes qui pourraient exacerber les probl\u00e8mes de p\u00e9nurie alimentaire, mena\u00e7ant la s\u00e9curit\u00e9 alimentaire dans la r\u00e9gion \u00bb, a-t-il averti.<\/p>\n\n<p>Silvenus Konyole, professeur agr\u00e9g\u00e9 de sciences alimentaires et de nutrition \u00e0 l&rsquo;universit\u00e9 Masinde Muliro des sciences et technologies, au Kenya, estime que cette nouvelle technologie permettra de r\u00e9duire consid\u00e9rablement le co\u00fbt des aliments pour animaux, qui sont principalement chers en raison de leur teneur en prot\u00e9ines.<\/p>\n\n<p>Il a fait remarquer qu&rsquo;il existe d\u00e9j\u00e0 des normes \u00e9labor\u00e9es par le <a href=\"https:\/\/idl-bnc-idrc.dspacedirect.org\/server\/api\/core\/bitstreams\/40427524-e332-4acc-a5e4-c5124951d64a\/content\" target=\"_blank\" rel=\"noreferrer noopener\">Bureau des<\/a> normes du Kenya pour les insectes en tant que denr\u00e9es alimentaires et aliments pour animaux.<\/p>\n\n<p>\u00ab\u00a0Si ces r\u00e8gles sont respect\u00e9es, la question de la s\u00e9curit\u00e9 sera r\u00e9gl\u00e9e\u00a0\u00bb, a d\u00e9clar\u00e9 M. Konyole.<\/p>\n\n<p><strong><em>Article r\u00e9dig\u00e9 par : Dann Okoth<\/em><\/strong><\/p>\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[NAIROBI] L\u2019\u00e9levage de masse des criquets p\u00e8lerins dans un environnement contr\u00f4l\u00e9 pourrait fournir une source durable de prot\u00e9ines pour les animaux et les humains, ainsi que des opportunit\u00e9s commerciales en Afrique subsaharienne, selon les chercheurs. Avec pr\u00e8s de 282 millions de personnes sous-aliment\u00e9es en Afrique et une population croissante, il est urgent de trouver des&hellip;<\/p>\n","protected":false},"author":13,"featured_media":21382,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","wds_primary_category":0,"wds_primary_country":0,"wds_primary_objective":0,"wds_primary_sg_theme":0,"footnotes":""},"categories":[161],"tags":[],"country":[234,247],"objective":[],"sg_theme":[],"class_list":["post-21416","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","country-kenya-fr","country-uganda-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>La reproduction massive de criquets p\u00e8lerins permet de d\u00e9couvrir une 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