in situ and in vitro degradability of rumen-protected ethionine
Rumen microbes rapidly degrade amino acids in ruminant diets, and in response DL-methionine has been rumen-protected (RPMet) to increase duodenal digestible methionine. Two experiments were conducted to estimate rumen degradability of a commercial rumen-protected methionine (Mepron.M85, Degussa-Hülls). In the first experiment, in situ degradability of RPMet was determined at 12, 18 and 24 h using two cows fitted with rumen cannula. In the second experiment, in vitro degradability of RPMet at 12 and 18 h were replicated for four consecutive incubations using a mixture of rumen liquid from two cannulated cows as inoculum. Differences were recorded depending on incubation time (P
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Main Authors: | Lara Bueno, Alejandro, Mendoza Martínez, Germán David, Bárcena Gama, José Ricardo, Landois Palencia, Luis León, Sánchez Torres, Maria Teresa, García Bojalil, Carlos Miguel, Ayala Oseguera, José |
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Format: | Digital revista |
Language: | spa |
Published: |
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias
2012
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Online Access: | https://cienciaspecuarias.inifap.gob.mx/index.php/Pecuarias/article/view/1283 |
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