Degradabilidade ruminal de casca de vagem de feijão-fava (Phaseolus lunatus L.) amonizada com ureia

Silva, Raimundo Nonato Pereira da; Alves, Arnaud Azevêdo; Garcez, Bruno Spíndola; Filho, Miguel Arcanjo Moreira; Oliveira, Maria Elizabete de; Moreira, Antônia Leidiana; Azevêdo, Danielle Maria Machado Ribeiro; Parente, Henrique Nunes

doi:10.1590/s1519-99402017000100004

Cited by 2 publications

(1 citation statement)

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“…An increasing linear behavior was observed, for each 1% urea, an increase of 1.12% crude protein was recorded. It is worth noting that this increase is due to the contribution of non-protein nitrogen from urea as observed by Silva et al (2017), who evaluated the ammoniation of shell of pods of the lima bean. It can be observed at the level of 6% urea, the crude protein content was 10%, higher than the minimum required for the proper functioning of ruminal microorganisms and no impairment of fiber degradation and consequently formation of microbial protein ( VAN SOEST, 1994;LAZZARINI et al, 2009).…”

Section: Resultsmentioning

confidence: 82%

Nutritional value of dehydrated maize straw ammoniated with urea

Sousa

Rodrigues

Lima

et al. 2019

Rev. bras. saúde prod. anim.

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SUMMARY This study aimed to evaluate the chemical composition and in situ degradation dry matter of maize straw ammoniated with urea. This was a completely randomized design with five levels of ammoniation (0; 2; 4; 6 and 8% dry matter), with five repetitions. There was effect (P<0.05) of the ammoniation process on the retention of nitrogen in maize straw. For each 1% utilization of urea, we observed a reduction of 1.57% nitrogen retention. The dry matter content was not influenced (P>0.05) by the ammoniation; straw presented a mean value of 75%. In turn, the crude protein content increased (P<0.05) with ammoniation, increasing from 2.74% in the straw without treatment to 10 and 11% with the levels of 6 and 8% urea, respectively. For each 1% urea used, we found a reduction (P<0.05) of 0.65% in the neutral detergent fiber content of maize straw. The acid detergent fiber presented effect (P<0.05) in response to ammoniation. The technique provided a reduction of 0.69% acid detergent fiber for each 1% urea used. For dry matter degradation, we observed an increase in the soluble fraction up to the level of 6% urea. The ammoniation process favored the increase in the dry matter degradation rate of maize straw. It is recommended to conduct the ammoniation process in maize straw with 6% urea.

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Section: Resultsmentioning

confidence: 82%