{"id":15534,"date":"2021-12-22T07:00:08","date_gmt":"2021-12-22T13:00:08","guid":{"rendered":"https:\/\/www.insta-pro.com\/?p=15534"},"modified":"2021-12-22T07:00:08","modified_gmt":"2021-12-22T13:00:08","slug":"valeur-nutritive-relative-rfv-quand-cela-est-il-utile","status":"publish","type":"post","link":"https:\/\/instapro.spinuhost.com\/fr\/blog\/nutrition-et-technologies\/valeur-nutritive-relative-rfv-quand-cela-est-il-utile\/","title":{"rendered":"Valeur nutritive relative (RFV) : Quand cela est-il utile ?"},"content":{"rendered":"

Du fait que les co\u00fbts de l\u2019alimentation pour animaux sont ais\u00e9ment la plus grosse d\u00e9pense en cours pour les \u00e9leveurs d\u2019animaux, il est tout \u00e0 fait pertinent d\u2019utiliser les mesures et les indicateurs pour tirer le meilleur parti du co\u00fbt des intrants. C\u2019est aussi important parce que la qualit\u00e9 du r\u00e9gime affecte la performance de l\u2019animal \u2013 l\u2019utilisation d\u2019ingr\u00e9dients de meilleure qualit\u00e9, tels que des vari\u00e9t\u00e9s extraites \u00e0 sec \u00e0 haut cisaillement, dans les r\u00e9gimes peut consid\u00e9rablement am\u00e9liorer<\/a> la performance de l\u2019animal. J\u2019ai r\u00e9cemment blogu\u00e9 sur la valeur TDN<\/a>, ou la quantit\u00e9 totale de nutriments digestibles, en expliquant ce que c\u2019est et son utilit\u00e9 encore aujourd\u2019hui.<\/p>\n

Du fait qu\u2019au cours d\u2019une conversation, beaucoup d\u2019acronymes sont utilis\u00e9s accompagn\u00e9s de chiffres, il est important de comprendre parfaitement la signification de chaque acronyme. Sans doute, le plus important est de comprendre en quoi et dans quelle situation les donn\u00e9es deviennent significatives. Par cons\u00e9quent, parlons de la valeur nutritive relative ou RFV<\/a>.<\/p>\n

La valeur nutritive relative est utilis\u00e9e pour les fourrages, et en particulier pour les fourrages de luzerne<\/a>, y compris le foin sec et l\u2019ensilage avec une composition pr\u00e9dominante de luzerne. La valeur est d\u00e9riv\u00e9e d\u2019une formulation qui utilise des quantit\u00e9s<\/a> de fibre au d\u00e9tergent acide (ADF) et de fibre au d\u00e9tergent neutre (NDF) telles qu\u2019elles sont d\u00e9termin\u00e9es par un laboratoire. Selon la th\u00e9orie g\u00e9n\u00e9rale, plus les fourrages de luzerne contiennent d\u2019ADF et de NDF, qui sont difficiles \u00e0 dig\u00e9rer, plus la valeur RFV diminue.<\/p>\n

Ainsi, il convient de noter ici que la valeur RFV varie seulement avec les fibres. Rien \u00e0 signaler sur les prot\u00e9ines, l\u2019amidon ou d\u2019autres cat\u00e9gories importantes de nutriments. C\u2019est un indicateur qui concernent seulement les fourrages, qui rappelons-le, ont une teneur \u00e9lev\u00e9e en fibre. Et en r\u00e9alit\u00e9, il a \u00e9t\u00e9 d\u00e9velopp\u00e9 pour la luzerne. Ensuite, comme le nom l\u2019indique, il s\u2019agit d\u2019une valeur relative. Vous devez avoir au moins une autre valeur RFV avant que la premi\u00e8re soit significative. Par cons\u00e9quent, ces donn\u00e9es ne peuvent pas \u00eatre utilis\u00e9es pour une formulation compl\u00e8te de r\u00e9gime, du moins pas de mani\u00e8re significative. C\u2019est parce que vous devez conna\u00eetre la teneur d\u2019un nutriment particulier, tel qu\u2019un acide amin\u00e9 particulier (la fibre n\u2019est pas vraiment un nutriment, mais ceci fait l\u2019objet d\u2019une discussion plus longue) dans un ingr\u00e9dient pour cr\u00e9er une formulation qui r\u00e9pond aux besoins nutritionnels d\u2019un animal. Ensuite, d\u2019autres indicateurs, tels que la qualit\u00e9 relative du fourrage, ou RFQ<\/a>, ont \u00e9t\u00e9 cr\u00e9\u00e9s pour les utiliser \u00e0 la place de RFV pour combler ces lacunes. Mais un grand nombre des probl\u00e8mes \u00e9voqu\u00e9s plus haut subsiste. RFQ d\u00e9pend de TDN et comme je l\u2019ai mentionn\u00e9 plus haut (et l\u2019ai aussi expos\u00e9 dans le blog auparavant), TDN pr\u00e9sente de s\u00e9rieux inconv\u00e9nients.<\/p>\n

En conclusion, lors de l\u2019\u00e9valuation des indicateurs de la qualit\u00e9 des aliments pour animaux, assurez-vous de comprendre parfaitement les acronymes et les nombres indiqu\u00e9s. Est-ce que quelqu\u2019un demande la valeur RFV d\u2019une c\u00e9r\u00e9ale ? M\u00eame si une valeur peut \u00eatre g\u00e9n\u00e9r\u00e9e, cela ne vous aidera pas du tout. N\u2019h\u00e9sitez pas \u00e0 contacter Insta-Pro, nous pouvons vous aider \u00e0 comprendre les donn\u00e9es.<\/p>\n","protected":false},"excerpt":{"rendered":"

Du fait que les co\u00fbts de l\u2019alimentation pour animaux sont ais\u00e9ment la plus grosse d\u00e9pense en cours pour les \u00e9leveurs d\u2019animaux, il est tout \u00e0 fait pertinent d\u2019utiliser les mesures et les indicateurs pour tirer le meilleur parti du co\u00fbt des intrants. C\u2019est aussi important parce que la qualit\u00e9 du r\u00e9gime affecte la performance de […]<\/p>\n","protected":false},"author":13,"featured_media":15597,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7181],"tags":[637,591,592],"class_list":["post-15534","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nutrition-et-technologies","tag-formulation-de-lalimentation-animale","tag-strategie-commerciale-fr-3","tag-transformation-pour-lalimentation-humaine-ou-animale-fr-2"],"acf":[],"yoast_head":"\nValeur nutritive relative (RFV) : Quand cela est-il utile ? - Insta-Pro International<\/title>\n<meta name=\"description\" content=\"Lors de l\u2019\u00e9valuation des mesures de la qualit\u00e9 de l\u2019alimentation pour animaux, assurez-vous de comprendre parfaitement les acronymes et les nombres indiqu\u00e9s. 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