The experiments conducted in the study evaluated two sources of methionine - hydroxy analogs (HMTBa) and DL-methionine (DL-Met). International media reported on April 9, 2015 that the Schothorst Feed Research Institute, an independent private animal nutrition research and advisory body, recently conducted a trial of the effects of different gradients of methionine levels on broiler development. According to the latest literature, the different asymptotic values ​​of DL-methionine hydroxyl analog (HMTBa) and DL-methionine (DL-Met) exhibit a dose-dependent correspondence. The study aimed to confirm this correspondence by evaluating methionine from two sources. In a 38-day study, the researchers compared the complementation and binding of DL-methionine hydroxyl analogs and DL-methionine in broiler diets. The results showed that broilers fed different doses of DL-methionine hydroxyl analog and DL-methionine had the same methionine value (100%). The following are the main findings: Irrespective of the dose used, the 90%-110% ratio of DL-methionine hydroxyl analogue and DL-methionine have the same effect in promoting the development of broilers at 38 days of age on an equimolar basis. . Compared with DL-methionine, the DL-methionine hydroxyl analog in the high methionine dose of the starting material is more efficient than the DL-A in converting the total total sulfur-containing amino acid into 1 gram of body weight. Thionine. Compared with DL-methionine, in the fattening stage, the supplementation of DL-methionine hydroxyl analogs makes the weight gain effect of broilers more obvious.
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