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Ruminants have a unique digestive physiology that heavily relies on microbial fermentation specifically in the rumen. This review explores the complex mechanisms of starch digestion in ruminants and highlights its crucial role in shaping their nutritional landscape. The rumen, a complex microbial ecosystem, is the primary site for starch digestion. Enzymatic hydrolysis and microbial fermentation of starch in this compartment produce important byproducts, such as volatile fatty acids (VFAs) and microbial proteins. These byproducts are crucial sources of energy and protein, which affect the overall metabolic dynamics of ruminants. It is essential to have a comprehensive understanding of the factors that influence starch digestion rates to optimize ruminant nutrition. This review examines the various factors involved in starch digestion, including feed composition, microbial populations, and enzymatic activity, and how they contribute to the digestive process. Additionally, identifying and characterizing starch fractions in concentrated feed sources is crucial for formulating well-balanced rations. In conclusion, this review synthesizes current knowledge on starch digestion in ruminants, offering insights into the complexities of the process. The collected information not only contributes to our academic understanding but also has practical implications for optimizing feeding strategies, enhancing nutrient utilization, and promoting the overall well-being of ruminants.
Şevket Evci (Sun,) studied this question.