Abstract
Abstract This study was conducted to determine the fecal recovery rate of n-alkanes and compare the precision and accuracy of the n-alkane technique and the conventional total fecal collection method in estimating the apparent nutrient digestibility of mixed hay diets fed to horses. Six castrated male adult horses (361 ± 12 kg body weight) were fed diets composed of different proportions of Tifton 85 bermudagrass (Cynodon dactylon) hay and alfalfa (Medicago sativa) hay in a 6 × 6 Latin square design. Treatments were as follows: T100, 100% Tifton hay; T80, 80% Tifton hay and 20% alfalfa hay; T60, 60% Tifton hay and 40% alfalfa hay; T40, 40% Tifton hay and 60% alfalfa hay; T20, 20% Tifton hay and 80% alfalfa hay; and T0, 100% alfalfa hay. The n-alkane detected at the greatest (P
Published Version
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