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Full-Text Articles in Physical Sciences and Mathematics
Effects Of Tropical Legume (Stylosanthes Cv. Campo Grande) Silage And Dietary Protein Levels On Animal Performance Of Finishing Beef Cattle, Leandro Diego Da Silva, Odilon G. Pereira, Thiago C. Da Silva, Sebastião De C. Valadares Filho, Karina G. Ribeiro
Effects Of Tropical Legume (Stylosanthes Cv. Campo Grande) Silage And Dietary Protein Levels On Animal Performance Of Finishing Beef Cattle, Leandro Diego Da Silva, Odilon G. Pereira, Thiago C. Da Silva, Sebastião De C. Valadares Filho, Karina G. Ribeiro
IGC Proceedings (1997-2023)
Recently, the interest in legume silage for livestock systems has increased in tropical countries (Heinritz et al., 2012) because of the high inclusion of the protein sources in the concentrate used in feedlot diets, like soybean meal. Stylosanthes cv. Campo Grande was developed in Brazil and this cultivar has a good adaptation to tropical conditions, as soils with low fertility and high acidity (Fernandes et al., 2005). Recently, this legume has been indicated for silage making because of its nutritional value and previous results with beef cattle have showed similar performance and digestibility in comparison with corn silage (Souza …
Urinary Excretion Of Mimosine Derivatives By Cows With And Without Experience In Consumption Of Leucaena Leucocephala, N. E. Ruz-Ruiz, Eduardo G. Briceño-Poot, A. J. Ayala-Burgos, C. F. Aguilar-Pérez, Francisco J. Solorio-Sánchez, Luis Ramírez-Avilés, Juan C. Ku-Vera
Urinary Excretion Of Mimosine Derivatives By Cows With And Without Experience In Consumption Of Leucaena Leucocephala, N. E. Ruz-Ruiz, Eduardo G. Briceño-Poot, A. J. Ayala-Burgos, C. F. Aguilar-Pérez, Francisco J. Solorio-Sánchez, Luis Ramírez-Avilés, Juan C. Ku-Vera
IGC Proceedings (1997-2023)
Leucaena leucocephala is a leguminous tree widely distributed in the tropical regions of the world. In Mexico, it has been incorporated into silvopastoral systems and is highly regarded, owing to its high content of crude protein. Nonetheless, L. leucocephala contains secondary metab-olites, such as mimosine, a non-protein free amino acid, which may induce toxic effects in unadapted ruminants that consume the forage (Hammond 1995). Although Synergistes jonesii, an anaerobic bacterium, has the ability to degrade 3,4-DHP and 2,3-DHP to non-toxic compounds (Allison et al. 1992), in Mexico its presence has not yet been confirmed. Recent work has suggested …
Urinary Excretion Of Mimosine Metabolites By Hair Sheep Fed Foliage Of Leucaena Leucocephala, L. M. Contreras-Hernández, N. E. Ruz-Ruiz, Eduardo G. Briceño-Poot, Luis Ramírez-Avilés, A. J. Ayala-Burgos, C. F. Pérez-Aguilar, Francisco J. Solorio-Sánchez, Juan C. Ku-Vera
Urinary Excretion Of Mimosine Metabolites By Hair Sheep Fed Foliage Of Leucaena Leucocephala, L. M. Contreras-Hernández, N. E. Ruz-Ruiz, Eduardo G. Briceño-Poot, Luis Ramírez-Avilés, A. J. Ayala-Burgos, C. F. Pérez-Aguilar, Francisco J. Solorio-Sánchez, Juan C. Ku-Vera
IGC Proceedings (1997-2023)
Leucaena leucocephala is an adapted legume widely distributed in the tropical regions of Mexico. The high crude protein content of leucaena leaves renders it appropriate for ruminant feeding under commercial conditions. However, the foliage contains the non-protein amino acid mimosine, which, if consumed in high amounts, may induce toxicity in animals which have not previously consumed the legume or without microorganisms capable of degrading mimosine and its derivatives 2,3-DHP (dihydroxypyridine) and 3,4-DHP (Hammond 1995, Palmer et al. 2010, Dalzell et al. 2012). Barros-Rodríguez et al. (2012) found that dry matter intake and weight gain were reduced when …