Nutrient Quality and Production of Brachiaria Grass Species

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Nutrient Quality and Production of Brachiaria Grass Species

Brachiaria spp. is a superior grass that has the potential to be developed in Indonesia as a feed plant. Brachiaria has high productivity and nutritive value. Apart from being a “cut and carry” feed grass; it also has positive value as pasture grass. The types of Brachiaria grass that are widely developed in Indonesia include Brachiaria decumbens cv. Basilisk, Brachiaria ruziziensis cv. Kennedy and Brachiaria brizantha cv. MG 51.

The use of different planting materials affects the growth and productivity of plants because plants have different growth rates. The use of pols as planting material facilitates rapid growth and the risk of death in the field is smaller; the limitation of this planting material is the need to obtain healthy pols with many roots2.

Forage quality is evaluated based on the nutrient content, production and digestibility value. The chemical analyses performed for this evaluation are proximate and in vitro digestibility analysis. In vitro digestibility analysis has many advantages. In vitro methods are inexpensive, rapid and provide results close to in vivo results that are usually performed on ruminants that mimic the processes occurring within the rumen3.

In the view of above mentioned context a new study was carried out which aimed to identify the nutrient quality, production and digestibility of Brachiaria spp. grown from different planting material4. The parameters observed in the research were dry matter, organic matter, crude fiber and crude protein, fresh production, dry matter production, organic matter production, dry matter digestibility and organic matter digestibility.

It was observed that the planting material had a significant effect on the dry matter content of three varieties of Brachiaria. The dry matter content of Brachiaria grown using pols was higher than that grown using seed. The use of pols produces more dry matter because the nutrient absorption rate of pols is better than that of seeds. This difference occurs because the formation of grass tillers in plants grown using pols is less than that of seed, so the level of competition for plants to absorb nutrients and sunlight is lower for plants grown from pols than from seeds.

It can be concluded that the use of pols as planting material can increase the dry matter of plants but also increase the content of crude fiber. Brachiaria decumbens cv. Basilisk showed the best chemical composition. The use of different planting materials had no significant effect on grass production. Brachiaria decumbens cv. Basilisk showed the best production.

The difference in planting material did not produce any significant difference in the dry matter and organic matter digestibility. Brachiaria ruziziensis cv. Kennedy showed the best dry matter digestibility and Brachiaria decumbens cv. Basilisk showed the best organic matter digestibility.

Keywords:

Brachiaria spp., forage seed, pols, forage production, quality, planting material, feeding, soil quality, nutrient quality, chemical composition, nutrition, plant, grasses, dry matter.

References:

  1. Caetano, L. P. D. S., & Dias-Filho, M. B. (2008). Responses of six Brachiaria spp. accessions to root zone flooding. Bra. deZootecnia, 37(5), 795-801.
  2. Dunnett, N., & Kingsbury, N. (2008). Planting green roofs and living walls. Portland, OR: Timber press.
  3. Aregheore, E. M. (2000). Chemical composition and nutritive value of some tropical by-product feedstuffs for small ruminants—in vivo and in vitro digestibility. Feed Sci. Tech., 85(1-2), 99-109.
  4. Umami, N., Widodo, S., Suhartanto, B., Suwignyo, B., Suseno, N. and Noviandi, C.T., 2018. The Effect of Planting Material on Nutrient Quality and Production of Brachiaria spp. in Yogyakarta, Indonesia. J. Nutr., 17: 671-676.

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