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The Relationship Between Acid Detergent Insoluble Nitrogen And Nitrogen Digestibility In Lactating Dairy Cattle, K. J. Machacek, P. J. Kononoff
The Relationship Between Acid Detergent Insoluble Nitrogen And Nitrogen Digestibility In Lactating Dairy Cattle, K. J. Machacek, P. J. Kononoff
Department of Animal Science: Faculty Publications
Five trials (19 treatments) conducted at the University of Nebraska-Lincoln (UNL) on lactating dairy cattle were analyzed to determine how the concentration of ADIN in the ration affects total tract N digestibility. Additionally, 6 published studies (13 treatments) were included to expand the data set. Results from the UNL trials showed that as the concentration of ADIN in the ration increased, the digestibility of ADIN also increased. However, the relationship was poor (r2 = 0.29). To account for random effects among trials, a meta-analysis was conducted. In the UNL trials, as the ration concentration of ADIN increased, total tract …