Mineral-nitrogen supplementation to finishing Nellore steers in deferred pasture

Ítavo, Luís Carlos Vinhas; Dias, Alexandre Menezes; Ítavo, Camila Celeste Brandão Ferreira; Franco, Gumercindo Loriano; Morais, Maria da Graça; Souza, Aparecido Ribeiro de; Nogueira, É.; Mateus, Rodrigo Gonçalves; Araújo, Hilda Silva; Moraes, Gabriella Jorgetti de; Costa, Marlova Cristina Mioto da; Guimarães-Inácio, Alexandre; Niwa, Marcus Vinicius Garcia

doi:10.1590/s1519-99402017000400008

Cited by 3 publications

(1 citation statement)

References 13 publications

(14 reference statements)

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“…The kinetics of ruminal degradation of food depends on a sequence of processes. Soon after incubation, the food is partially solubilized (ÍTAVO et al, 2016), and compounds of higher solubility are rapidly fermented (GURGEL et al, 2021). However, greater exposure of fodder to ruminal microbiota is necessary for fermentation of the less soluble parts to occur (SILVA et al, 2017).…”

Section: Discussionmentioning

confidence: 99%

Nutritional value and fermentative characteristics of pearl millet silage with different levels of coffee husk

et al. 2024

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The research was conducted to test the hypothesis that the inclusion of coffee husk (Coffea sp.) would improve the fermentative characteristics and quality of pearl millet silage (Pennisetumglaucum). Thus, the objective was to assess the effect of the inclusion of different levels of coffee husk in pearl millet silage on the chemical composition, fermentative characteristics and degradability in situ of silage. The experimental design used was completely randomized and the treatments consisted of the silage of the whole pearl millet plant with the inclusion of increasing levels of coffee husk: 0%, 7%, 14% and 21%, based on natural matter. After 60 days of fermentation, the silages were evaluated for chemical characteristics, fermentative, degradability in situ dry matter (DM) and neutral detergent fiber (NDF). The inclusion of coffee husk did not alter (P > 0.05) the contents of crude protein (11.94%), NDF (44.89%) and total digestible nutrients (65.09%). There were increases in the concentrations of DM and fiber in acid detergent, accompanied by a reduction in the concentrations of mineral matter and ether extract, as the proportion of coffee husks in silages increased. There was an increase in the lignin content up to the level of 7.59% inclusion of the coffee husk. There was no effect of the inclusion of the coffee husk on the pH of the silage (3.60). However, the inclusion of coffee husk resulted in a reduction in temperature, gas losses, and degradability in situ of silage DM and NDF. It is recommended to include coffee husk up to the level of 14.0% of the natural matter to improve the fermentation pattern and the quality of the pearl millet silage.

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Section: Discussionmentioning

confidence: 99%

Nutritional value and fermentative characteristics of pearl millet silage with different levels of coffee husk

et al. 2024

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Effect of slow-release urea microencapsulated in beeswax and its inclusion in ruminant diets

Carvalho

Silva

et al. 2019

Small Ruminant Research

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Performance, Carcass Traits, and Meat Fatty Acid Profile of Post-Weaning and Finishing Zebu Steers on Tropical Pasture with Three Low-Intake Supplementation Strategies

Cediel-Devia,

Schaitz,

da Silva

et al. 2024

Animals

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The study aimed to evaluate the effects of three supplementation strategies on intake, apparent digestibility, feeding behavior, performance, carcass traits, proximate composition, and the fatty acid profile of meat from steers on tropical pasture during the post-weaning and finishing stages. The experiment involved 33 1/2 Holstein × 1/2 castrated Zebu steers weighing 335 ± 42.90 kg, aged 22 ± 2 m. The animals were managed on Urochloa brizantha cv. Marandu using an intermittent grazing system with continuous stocking and variable stocking rates for 310 days. The supplementation strategies were as follows: MS/US (mineral salt/urea supplementation): mineral salt in the rainy season and mineral salt with urea in the dry season; US/PS1 (urea supplementation/protein supplementation): mineral salt with urea in the rainy season and protein supplement at 1 g/kg body weight (BW) in the dry season; and PS1/PS2 (protein supplementation 1/protein supplementation 2): protein supplement at 1 g/kg BW in the rainy season and 2 g/kg BW in the dry season. The dry matter intake did not differ significantly (p > 0.05) between strategies. However, the post-weaning PS1/PS2 strategy resulted in higher (p < 0.05) crude protein intake. The final body weight did not differ (p > 0.05) between the strategies, but the average daily gain in post-weaning and finishing was higher (p < 0.05) for MS/US (restricted) animals. Carcass weight, subcutaneous fat thickness, and lipid content in meat were significantly higher (p < 0.05) for steers in the PS1/PS2 group. Steers finished on MS/US produced meat with a higher content of polyunsaturated fatty acids and ω-3 fatty acids (p < 0.05). Concentrate supplementation at 1 g/kg BW during the rainy season and 2 g/kg BW during the dry season is recommended for post-weaning and finishing steers on tropical pasture.

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Mineral-nitrogen supplementation to finishing Nellore steers in deferred pasture

Cited by 3 publications

References 13 publications

Nutritional value and fermentative characteristics of pearl millet silage with different levels of coffee husk

Nutritional value and fermentative characteristics of pearl millet silage with different levels of coffee husk

Effect of slow-release urea microencapsulated in beeswax and its inclusion in ruminant diets

Performance, Carcass Traits, and Meat Fatty Acid Profile of Post-Weaning and Finishing Zebu Steers on Tropical Pasture with Three Low-Intake Supplementation Strategies

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