Forage yield and nutritional value of alfalfa at different cutting intervals

Authors

  • Adelaido Rafael Rojas García Facultad de Medicina Veterinaria y Zootecnia Núm. 2 - Universidad Autónoma de Guerrero. Cuajinicuilapa, Guerrero. CP. 41940
  • Sergio Iban Mendoza Pedroza Recursos Genéticos y Productividad-Ganadería - Colegio de Postgraduados. Carretera México-Texcoco km. 35.5, Montecillo, Estado de México
  • María de los Ángeles Maldonado Peralta Facultad de Medicina Veterinaria y Zootecnia Núm. 2 - Universidad Autónoma de Guerrero. Cuajinicuilapa, Guerrero. CP. 41940
  • Perpetuo Álvarez Vázquez Departamento de Recursos Naturales Renovables - Universidad Autónoma Agraria Antonio Narro. Saltillo Coahuila
  • Nicolás Torres Salado Facultad de Medicina Veterinaria y Zootecnia Núm. 2 - Universidad Autónoma de Guerrero. Cuajinicuilapa, Guerrero. CP. 41940
  • Aldenamar Cruz Hernández División Académica de Ciencias Agropecuarias - Universidad Juárez Autónoma de Tabasco. Carretera Villahermosa-Teapa km 25, R/A La Huasteca, Centro, Tabasco, México
  • Humberto Vaquera Huerta Estadística-Colegio de Postgraduados. Carretera México-Texcoco km 35.5, Montecillo, Estado de México.
  • Santiago Joaquín Cancino Facultad de Ingeniería y Ciencias-Universidad Autónoma de Tamaulipas. Centro Universitario Adolfo López Mateos, Ciudad Victoria, Tamaulipas. CP. 87149.

DOI:

https://doi.org/10.29312/remexca.v10i4.1695

Keywords:

Medicago sativa, digestibility, protein, yield

Abstract

 

The objective was to determine the effect in cut-off intervals on dry matter yield, leaf-stem ratio, protein and digestibility in situ in the leaf and stem of alfalfa cv ‘San Miguelito’, in the Mexican Altiplano. Four cut intervals (3, 4, 5 and 6 weeks for spring-summer and 4, 5, 6 and 7 weeks for autumn-winter) were randomly distributed under a completely randomized experimental design, with 4 repetitions. The intervals of 6 and 7 weeks (p< 0.05), produced the highest yield of dry matter per cut with 4 393 kg DM ha-1; however, they also obtained the lowest values of leaf-stem ratio (0.74), leaf and stem protein (26.9 and 11.7%) and leaf and stem digestibility (79.8 and 64.3%). In order to obtain an appropriate balance between yield and forage quality, it is concluded that alfalfa must be harvested, at cut-off intervals of six weeks in autumn and winter, four weeks in spring and five weeks in summer.

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Published

2019-06-21

How to Cite

Rojas García, Adelaido Rafael, Sergio Iban Mendoza Pedroza, María de los Ángeles Maldonado Peralta, Perpetuo Álvarez Vázquez, Nicolás Torres Salado, Aldenamar Cruz Hernández, Humberto Vaquera Huerta, and Santiago Joaquín Cancino. 2019. “Forage Yield and Nutritional Value of Alfalfa at Different Cutting Intervals”. Revista Mexicana De Ciencias Agrícolas 10 (4). México, ME:849-58. https://doi.org/10.29312/remexca.v10i4.1695.

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