Impact of fiber source and feed particle size on swine manure properties related to spontaneous foam formation during anaerobic decomposition

Weelden, Mark B. Van; Andersen, Daniel S.; Kerr, B. J.; Trabue, Steven; Pepple, Laura M.

doi:10.1016/j.biortech.2015.11.080

Cited by 16 publications

(16 citation statements)

References 21 publications

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“…What is clear from figure 1b is that by not including corn in the ration, the B diet produced a relatively distinct microbial community, while most of the other diets tended to be relatively similar in composition. These results contrast slightly with the results of Van Weelden et al (2016), who found that the microbial community was driven by both a carbon gradient within the manure and by the fiber source. However, fewer carbohydrate sources were used in that study, which allowed viewing of the carbon gradient without having that information confounded by the digestibility of the material within the pig as well as its microbial biodegradability, as was the case in this study.…”

Section: Microbial Communitycontrasting

confidence: 99%

Impact of Dietary Carbohydrate and Protein Source and Content on Swine Manure Foaming Properties

Weelden¹,

Andersen²,

Kerr³

et al. 2016

Trans. ASABE

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Diet ingredients are thought to contribute to foaming problems associated with swine manure stored in deeppit systems. Two experiments explored the impact of protein and carbohydrate sources and levels in swine diets on the physicochemical properties, methane production potential, and foaming potential of swine manure. The first experiment was specific to protein and evaluated the impact of dietary protein level and source on manure properties, while the second experiment focused on evaluating the impact of different dietary carbohydrate sources on manure foaming properties. Manure from the animals was tested for total and volatile solids, methane production rate and biochemical methane potential, surface tension, foaming capacity and stability, and microbial community structure. No single diet yielded manure with all of the anticipated qualities associated with foaming manure. However, manure collected from pigs fed diets containing soy hulls and distillers dried grains with solubles (DDGS) exhibited higher methane production rates (0.95 Â±0.20 and 0.96 Â±0.20 L CH 4 kg -1 VS, respectively) and biochemical methane potential (322 Â±25 and 269 Â±22 mL CH 4 g -1 VS, respectively) when compared to manure obtained from pigs fed the other diets. Additionally, the results showed that both protein level and source exhibited greater influence over the microbial community than carbohydrate source, with manipulations in the protein diet leading to positive correlations with specific microbial community and higher methane production rates, foaming capacity, and foam stability. In this study, these parameters appeared to be tied to higher levels of corn, or corn protein, in the diet. Although some of the microbial community was explained by diet, this study also demonstrated that factors other than diet have significant influence on microbial community. RightsWorks produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted. Authors

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Section: Microbial Communitycontrasting

confidence: 99%

Impact of Dietary Carbohydrate and Protein Source and Content on Swine Manure Foaming Properties

Weelden¹,

Andersen²,

Kerr³

et al. 2016

Trans. ASABE

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“…Diets with DDGS contained 30.34% DDGS while the narasin diets contained 30 mg narasin/kg diet.. Gutierrez et al, 2013Gutierrez et al, , 2014aGutierrez et al, , 2014bKerr et al, 2013Kerr et al, , 2015aKerr et al, , 2015bKerr et al, , 2017Wu et al, 2016aWu et al, , 2016bWu et al, , 2016c and was not an objective of the current experiment. That said, a change in energy or nutrient digestibility (represented by a change in fiber digestibility in this experiment), can have (Kerr et al, 2006;Ziemer et al, 2009;Trabue and Kerr, 2014;Trabue et al, 2016b;Van Weelden et al, 2016a, and data obtained from this experiment are no exception. In contrast, the information on the impact of supplementing antibiotics or ionophores into the diet and subsequent effects on energy and nutrient digestibility is variable; where feeding antibiotics (Derick et al, 1986;Roth and Kirchgessner, 1993;Pilcher et al, 2015) or ionophores (Holzgraefe et al, 1985a(Holzgraefe et al, , 1985bMoore et al, 1986;Wuethrich et al, 1998) have had variable effects on N digestibility and balance.…”

Section: Manure Characteristics and Total Manure Nutrient Outputmentioning

confidence: 91%

“…Neither diet type or narasin supplementation affected manure GHG or GHG-equivalence emissions (P ≥ 0.45), and the only effect on manure C, N, or S emissions per unit of intake was a reduction in g N emissions per kg N intake for pigs fed the DDGS diet compared to pigs fed the CSBM diet (P ≤ 0.01), Table 7. The effect of feeding DDGS to pigs on the subsequent manure VOC, gas emissions, or GHG emissions was expected and has been discussed in depth in previous work from this laboratory (Kerr et al, 2006;Ziemer et al, 2009;Trabue et al, 2014Trabue et al, , 2016bVan Weelden et al, 2016a. Supplementation of antibiotics or ionophores have been shown to affect intestinal or fecal concentrations of fatty acids, indoles, or phenolics (Yokoyama et al, 1982;Hawe et al, 1992;Weuthrich et al, 1998) and ionophores have been shown to affect manure microbial ecology and in vitro emissions from swine manure (Cotta et al, 2001;Whitehead and Cotta, 2007;Andersen and Regan, 2014).…”

Section: Manure Voc and Gas Emissionsmentioning

confidence: 92%

“…The impact of feeding antibiotics or ionophores to finishing pigs on subsequent manure composition is nonexistent. This is not surprising given that characterization of manure bacteria and composition in a complex matrix (Cotta et al, 2003;Trabue et al 2016b) and the selection of the manure storage tank and length of storage (Trabue et al 2016a) can have profound effects on the data obtained making interpretation of the results challenging. In the current experiment, narasin had minimal effect on manure composition (Table 2) and this is supported by Kerr et al (2017) who, using the same pigs, reported that energy or nutrient digestibility in finishing pigs was unaffected by narasin supplementation.…”

Section: Manure Characteristics and Total Manure Nutrient Outputmentioning

confidence: 99%

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Impact of narasin on manure composition, microbial ecology, and gas emissions from finishing pigs fed either a corn-soybean meal or a corn-soybean meal-dried distillers grains with solubles diets

Kerr

Trabue

Weelden

et al. 2018

Journal of Animal Science

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An experiment was conducted to determine the effect of feeding finishing pigs a corn-soybean (CSBM) diet or a CSBM diet supplemented with 30% dried distillers grains with solubles (DDGS), in combination with or without a growth-promoting ionophore (0 or 30 mg narasin/kg of diet), has on manure composition, microbial ecology, and gas emissions. Two separate groups of 24 gilts (initial BW = 145.1 kg, SD = 7.8 kg) were allotted to individual metabolism crates that allowed for total but separate collection of feces and urine during the 48-d collection period. After each of the twice-daily feedings, feces and urine from each crate was collected and added to its assigned enclosed manure storage tank. Each tank contained an individual fan system that pulled a constant stream of air over the manure surface for 2 wk prior to air (day 52) and manure sampling (day 53). After manure sampling, the manure in the tanks was dumped and the tanks cleaned for the second group of pigs. Except for total manure Ca and P output as a percent of intake and for manure methane product rate and biochemical methane potential (P ≤ 0.08), there were no interactions between diet composition and narasin supplementation. Narasin supplementation resulted in increased manure C (P = 0.05), increased manure DM, C, S, Ca, and phosphorus as a percent of animal intake (P ≤ 0.07), and increased manure volatile solids and foaming capacity (P ≤ 0.09). No effect of narasin supplementation was noted on manure VFA concentrations or any of the gas emission parameters measured (P ≥ 0.29). In contrast, feeding finishing pigs a diet containing DDGS dramatically affected manure composition as indicated by increased concentration of DM, C, ammonia, N, and total and volatile solids (P = 0.01), increased manure DM, N, and C as a percent of animal intake (P = 0.01), increased manure total VFA and phenols (P ≤ 0.05), decreased gas emissions of ammonia and volatile sulfur compounds (VSC; P = 0.01), increased emissions of phenols and indoles (P ≤ 0.06), decreased methane production rate (P = 0.01), and slight differences in microbial ecology (R ≤ 0.47). In conclusion, feeding a diet which contains an elevated level of indigestible fiber (i.e., DDGS) resulted in more fiber in the manure which therefore dramatically affected manure composition, gas emissions, and microbial ecology, while narasin supplementation to the diet did not exhibit a significant effect on any of these parameters in the resultant swine manure.

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“…Differences among means were considered significant at P ≤ .10. Although the effect of diet type and particle size on manure microbial community composition has been reported (Van Weelden, Andersen, Kerr, Trabue, & Pepple, 2016a), it was of interest to examine the relationship between manure C, N, and total VOCs and the microbial community structure. To accomplish this, the automated ribosomal intergenetic spacer analysis data reported by Van Weelden et al.…”

Section: Methodsmentioning

confidence: 99%

Dietary composition and particle size effects on swine manure characteristics and gas emissions

et al. 2020

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Nutrients excreted from animals affect the nutritive value of manure as a soil amendment as well as the composition of gases emitted from manure storage facilities. There is a dearth of information, however, on how diet type in combination with dietary particle size affects nutrients deposited into manure storage facilities and how this affects manure composition and gas emissions. To fill this knowledge gap, an animal feeding trial was performed to evaluate potential interactive effects between feed particle size and diet composition on manure characteristics and manure-derived gaseous emissions. Forty-eight finishing pigs housed in individual metabolism crates that allowed for daily collection of urine and feces were fed diets differing in fiber content and particle size. Urine and feces were collected and stored in 446-L stainless steel containers for 49 d. There were no interactive effects between diet composition and feed particle size on any manure or gas emission parameter measured. In general, diets higher in fiber content increased manure nitrogen (N), carbon (C), and total volatile fatty acid (VFA) concentrations and increased manure VFA emissions but decreased manure ammonia emissions. Decreasing the particle size of the diet lowered manure N, C, VFAs, phenolics, and indole concentrations and decreased manure emissions of total VFAs. Neither diet composition nor particle size affected manure greenhouse gas emissions.

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Impact of fiber source and feed particle size on swine manure properties related to spontaneous foam formation during anaerobic decomposition

Cited by 16 publications

References 21 publications

Impact of Dietary Carbohydrate and Protein Source and Content on Swine Manure Foaming Properties

Impact of Dietary Carbohydrate and Protein Source and Content on Swine Manure Foaming Properties

Impact of narasin on manure composition, microbial ecology, and gas emissions from finishing pigs fed either a corn-soybean meal or a corn-soybean meal-dried distillers grains with solubles diets

Dietary composition and particle size effects on swine manure characteristics and gas emissions

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