Desempenho produtivo de bovinos alimentados com cana-de-açúcar com diferentes níveis de concentrado

Salomão, B. M.; Filho, Sebastião de Campos Valadares; Villela, Severino Delmar Junqueira; Santos, Stefanie Alvarenga; Silva, Luiz Fernando Costa e; Rotta, Polyana Pizzi

doi:10.1590/1678-4162-7388

Cited by 4 publications

(3 citation statements)

References 7 publications

(1 reference statement)

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“…The treatment with 50% replacement of sugarcane for elephant grass (50% SC + 50% EG) resulted in higher DMI compared to the other treatments, in line with the findings of Cabral et al (2015), who observed that the addition of sugarcane to goat diets caused a linear decrease in DMC. Low DMI reported in diets with sugarcane as source of roughage has been frequently related to the low digestibility of sugarcane fiber (Cabral et al, 2015;Salomão et al, 2015). In the present study, the digestibility coefficients of NDF (NDFD) between the abovementioned treatments were similar (p > 0.05%; Table 3).…”

Section: Resultssupporting

confidence: 59%

Sugarcane with Elephant grass replacing sugarcane with urea in the diet of crossbred dairy cows1

Teixeira

Lana

Gomes

2020

Acta Sci. Anim. Sci.

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The objective was to evaluate the partial substitution of sugarcane treated with urea by elephant grass in the feeding of crossbred cows in lactation. Eight crossbred cows (Holstein x Gyr) were used, with 474 kg of body weight (standard deviation = 46.15 kg) and 8.15 kg of milk per day. The animals were housed in individual stalls, distributed in two 4 x 4 Latin squares, and the treatments were: sugar cane; sugar cane corrected with 0.5% of urea and ammonium sulfate (9:1); 75% of sugar cane + 25% of elephant grass and 50% of sugarcane + 50% of elephant grass, based on natural matter. In addition to the treatments, it was provided water and mineral salt ad libitum and 3 kg of concentrate supplement (24% crude protein), based on corn meal and soybean meal, supplied in two portions during the morning and afternoon milking. There was a treatment effect on the intake and digestibility of dry matter and nutrients, except for non-fibrous carbohydrate intake, and there was no effect on milk production and composition. It can be concluded that the substitution of sugarcane by elephantgrass (25 and 50%) increases the intake and decreases the digestibility of DM and OM, without affecting milk production, when the cows are supplemented with 3 kg of concentrate, containing 24% of protein per day.

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Section: Resultssupporting

confidence: 59%

Sugarcane with Elephant grass replacing sugarcane with urea in the diet of crossbred dairy cows1

Teixeira

Lana

Gomes

2020

Acta Sci. Anim. Sci.

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“…In diets with inclusion of BMB, energy intake is normally maintained by extending the feeding time (Cruz et al, 2012;Silva et al, 2012). However, in sugarcane-based diets, increasing the proportion of roughage usually reduces energy intake as a result of the reduction in DM intake, especially when the sugarcane reaches a proportion equal to or greater than 60% of the diet dry matter (Magalhães et al, 2006;Rotta et al, 2014;Salomão et al, 2015).…”

Section: Discussionmentioning

confidence: 99%

Proportions of sugarcane and babassu mesocarp bran in diets for feedlot cattle

et al. 2017

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The objective of this study was to evaluate the production performance of feedlot cattle fed diets containing chopped sugarcane ratios (580 or 380 g/kg of diet dry matter) as roughage and levels of inclusion of babassu mesocarp bran (BMB; 420 to 620 g/kg of concentrate dry matter). Twenty-four young Nellore bulls with 321±23 kg initial body weight, at 22 months of age, were used in a completely randomized experimental design with treatments in a 2 × 2 factorial arrangement and six replicates. Dry matter intake (21.71 g/kg of body weight), average daily gain (1.46 kg/day), and cold carcass weight (232.59 kg) were not changed by proportion of sugarcane or BMB level. The proportions of sugarcane and BMB levels did not change the apparent digestibility of the diets, except the digestibility of neutral detergent fiber, which was lower in the diet associating the lowest levels of sugarcane and BMB. Increasing proportions of sugarcane reduced subcutaneous fat thickness from 2.89 to 1.91 mm. Carcass commercial primal cuts were not affected by variation factors. Inclusion of babassu mesocarp bran enables the use of larger proportions of sugarcane as a result of the increased digestibility of the fiber fraction of feedlot cattle diets without changing the performance and main carcass traits of these animals.

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“…The lower iNDF observed by using rice bran, DSCC and corn flour, reveal that these additives did not increase the iNDF content. As the concentrate levels in the diet of cattle fed sugarcane forage are increased, there is a reduction in the iNDF, a pattern that can be attributed to the increase in digestible energy [24].…”

Section: Forage Chemical Compositionmentioning

confidence: 99%

NIRS Estimation of the Nutritive Value of Sugarcane Silage at Different Harvest Seasons and with Additives

Abreu

Kazama

Doerzbacher

et al. 2023

JEAI

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This study aimed to evaluate the nutritive value of sugarcane silage at different harvest seasons and treated with additives, as well as its estimation by near-infrared reflectance spectroscopy. The experiment was developed in Colorado do Oeste, RO, Brazil, being adopted a completely randomized design with four repetitions. The treatments were arranged in a 3´5 factorial scheme, being: three harvest seasons (March, May and July); and five additives: 10% corn flour; 10% disintegrated straw and cob corn; 15% rice bran; 1,0% urea; no additive. Dry matter, crude protein, neutral detergent fiber, acid detergent fiber, ash, indigestible neutral detergent fiber and estimated total digestible nutrients contents were evaluated. The nutritive value of sugarcane silage improves with additives, when compared to sugarcane silage in natura. The moisture sequestering additives present better results when compared to urea, with the exception of crude protein content. The co-product rice bran provides reduced fiber content, and increased crude protein and total digestible nutrient contents of the silage. The silage produced in July and with additives provides the highest contents of total digestible nutrients. The near-infrared reflectance spectroscopy estimates are excellent (R2cv > 0.95) for crude protein, neutral detergent fiber, acid detergent fiber, and ash, offering ranchers and researchers a fast and inexpensive service.

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Desempenho produtivo de bovinos alimentados com cana-de-açúcar com diferentes níveis de concentrado

Cited by 4 publications

References 7 publications

Sugarcane with Elephant grass replacing sugarcane with urea in the diet of crossbred dairy cows1

Sugarcane with Elephant grass replacing sugarcane with urea in the diet of crossbred dairy cows1

Proportions of sugarcane and babassu mesocarp bran in diets for feedlot cattle

NIRS Estimation of the Nutritive Value of Sugarcane Silage at Different Harvest Seasons and with Additives

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