Effect of the diet on ruminal parameters and rumen microbiota: review
2022
da Silva Macêdo,Alberto Jefferson | Costa Campos,Amanda | Nascimento Coutinho,Danielle | Soares Freitas,Cássia Aparecida | dos Anjos,Albert José | Rocha Bezerra,Leilson
ABSTRACT Ruminants are grazing animals with the ability to utilize forage sources for maintenance, growth, reproduction and production. They possess the rumen, a fermentation chamber composed of high diversity of microorganisms with the ability for degrading fiber or starch rich food and other types of non-fibrous carbohydrates, since they contain enzymes that act by breaking up bonds between molecules, making the substrate present in the food available. This study was developed aiming at reviewing the literature on how different diets affect ruminal parameters as well as the rumen ecology. Thus, the seeking for the understanding on how different diets can affect ruminal characteristics is found to be important, since it makes possible manipulating the diet up to a threshold, without causing any metabolic disturbance to animals and then maximizing the performance. This practice may contribute to minimize losses, maximize the food fermentation process and the absorption of fermentation products, which can be converted into flesh and milk. Findings from this study show that the microbial population and the final rumen fermentation products are directly affected by the animal diet. Therefore, manipulating diets may make possible maximizing the animal productive efficiency, as well as the optimization of the use of nutrients, to maximize the animal production.
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