Intake, digestibility, rumen characteristics and microbial protein synthesis efficiency in bovine and bubaline fed sugar cane silage with additives

Maeda, Emilyn Midori; Zeoula, Lúcia Maria; Jobim, Clóves Cabreira; Cecato, Ulysses; Rigolon, Luiz Paulo; Kazama, Ricardo; Jacobi, Guido; Carvalho, Acir Felipe Grolli

doi:10.1590/s1516-35982012000300034

Cited by 11 publications

(9 citation statements)

References 24 publications

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“…In this study, an increase in the intake of NPN, derived from urea, probably resulted in a higher concentration of rumen NH 3 -N (24.5 mg/dL), as found by [ 34 ]. The maximum rumen NH 3 -N presented is accordance with the amount (10 to 23 mg/dL) suggested by [ 35 ] for maximum for maximum rumen fermentation activity and microbial growth.…”

Section: Discussionsupporting

confidence: 89%

Can cactus (Opuntia stricta [Haw.] Haw) cladodes plus urea replace wheat bran in steers’ diet?

Conceição

Ferreira

Silva

et al. 2018

Asian-Australas J Anim Sci

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ObjectiveThe study aimed to evaluate the effect of replacing wheat bran for cactus cladodes plus urea (0%, 25%, 50%, 75%, and 100%) on the intake of nutrients, nitrogen balance, microbial protein synthesis, and rumen fermentation for steers.MethodsFive crossbred steers (1/2 Holstein-Zebu), with rumen cannula and an average body weight of 180±5.3 kg, were assigned to a 5×5 Latin square design. Dietary treatments consisted of the replacement of the total of wheat bran in basal diet by cactus cladodes using the following proportions: 0% for basal diet, 25%, 50%, 75%, and 100% cactus cladodes replacing wheat bran. Urea was added to the diets to adjust the crude protein (CP) content to 130 g/kg dry matter.ResultsMaximum dry matter intake (5.73 kg/d) and maximum nitrogen balance (103 g/d) were estimated for 54.6% and 70.8% replacement levels of wheat bran. The maximum microbial protein production (44.6 g/d) was obtained at a replacement level of 49.7%, and a medium value (125 g CP mic/kg total digestible nutrients) of microbial protein efficiency was observed. The rumen pH increased linearly according to cactus cladodes inclusion, while the ammonia nitrogen medium value was 24.5 mg/dL.ConclusionThe replacement of 55% wheat bran for cactus cladodes plus urea in the diet of crossbred steers is recommended.

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Section: Discussionsupporting

confidence: 89%

Can cactus (Opuntia stricta [Haw.] Haw) cladodes plus urea replace wheat bran in steers’ diet?

Conceição

Ferreira

Silva

et al. 2018

Asian-Australas J Anim Sci

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“…() reported that ruminal bacteria obtained from 630 to 800 g/kg of their N requirements from the ruminal NH 3 ‐N pool and thus the remaining 200 to 370 g/kg of their N requirements from non‐NH 3 ‐N (NAN), primarily in the form of amino acid and peptides. However, the total amount of microbial protein flowing to the small intestine depends on nutrient availability and efficiency of use of these nutrients by the ruminal bacteria (Cutrignelli et al., ; Calabrò et al., ; Maeda et al., ).…”

Section: Discussionmentioning

confidence: 99%

Improving the quality of rice straw by urea and calcium hydroxide on rumen ecology, microbial protein synthesis in beef cattle

Polyorach

Wanapat

2014

Animal Physiology Nutrition

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Four rumen-fistulated beef cattle were randomly assigned to four treatments according to a 4 × 4 Latin square design to study the influence of urea and calcium hydroxide [Ca(OH)2 ] treatment of rice straw to improve the nutritive value of rice straw. Four dietary treatments were as follows: untreated rice straw, 50 g/kg urea-treated rice straw, 20 g/kg urea + 20 g/kg calcium hydroxide-treated rice straw and 30 g/kg urea + 20 g/kg calcium hydroxide-treated rice straw. All animals were kept in individual pens and fed with concentrate at 0.5 g/kg of BW (DM), rice straw was fed ad libitum. The experiment was conducted for four periods, and each period lasted for 21 days. During the first 14 days, DM feed intake measurements were made while during the last 7 days, all cattle were moved to metabolism crates for total faeces and urine collections. The results revealed that 20 g/kg urea + 20 g/kg calcium hydroxide-treated rice straw improved the nutritive value of rice straw, in terms of dry matter intake, digestibility, ruminal volatile fatty acids, population of bacteria and fungi, nitrogen retention and microbial protein synthesis. Based on this study, it could be concluded that using urea plus calcium hydroxide was one alternative method to improve the nutritive value of rice straw, rumen ecology and fermentation and thus a reduction of treatment cost.

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“…Sugar cane silage with maniçoba positively influences the performance of animals fed with this silage compared to the control. In evaluating the digestibility of sugar cane silage with Lactobacillus, urea, and agricultural by-products, a higher rate of degradation of the b fraction (0.027% h -1 ) was found (Maeda et al, 2011), as well as higher consumption (7.54 kg DM d -1 ) in cattle fed with sugar cane silage with inoculants (Maeda et al, 2012).…”

Section: Variablesmentioning

confidence: 98%

<b>Chemical-bromatological composition and in vitro ruminal kinetics of sugar cane silage with maniçoba

Carvalho

Resende

Benicio

et al. 2018

Acta Sci. Anim. Sci.

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The objective this study was to evaluate the effect of maniçoba supplementation in sugar cane silage with respect to chemical-bromatological composition and the in vitro degradation kinetics of the silage. This experiment was conducted in a completely randomized design with four treatments (maniçoba levels: 0, 20, 30, and 40%) and six repetitions. Silage samples were analyzed for their chemical-bromatological composition, digestible energy, metabolizable energy, total digestible nutrients, in vitro gas production and degradability parameters. The silage with higher inclusion level had better bromatological composition (p < 0.05) than the silage without maniçoba for CP, NDF, ADF and MM (6.49, 56.64, 38.66 and 4.52% versus 2.21, 70.96, 49.95 and 2.78%). Higher ME content (2.35 MJ kg-1 MS versus 1.85 MJ kg-1 MS), DE (2.87 Mcal kg-1 MS versus 2.25 Mcal kg-1 MS) and TDN (65.16% versus 51.11%), respectively. The highest values for gas production were also observed in silage with added maniçoba due to higher NFC content (34.87%). With an increase in the proportion of maniçoba, there was an increase in the soluble a fraction, b fraction, and thus a higher effective degradability of dry matter (46.56%). The addition of maniçoba improves the nutritive value of sugarcane silage.

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Intake, digestibility, rumen characteristics and microbial protein synthesis efficiency in bovine and bubaline fed sugar cane silage with additives

Cited by 11 publications

References 24 publications

Can cactus (Opuntia stricta [Haw.] Haw) cladodes plus urea replace wheat bran in steers’ diet?

Can cactus (Opuntia stricta [Haw.] Haw) cladodes plus urea replace wheat bran in steers’ diet?

Improving the quality of rice straw by urea and calcium hydroxide on rumen ecology, microbial protein synthesis in beef cattle

<b>Chemical-bromatological composition and in vitro ruminal kinetics of sugar cane silage with maniçoba

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