Utilization of piggery waste I. The chemical composition and in vitro organic matter digestibility of pig faeces from commercial piggeries in south-eastern Australia

Hilliard, EP; Beard, Janet; Pearce, GR

doi:10.1016/0304-1131(79)90019-5

Cited by 12 publications

(3 citation statements)

References 17 publications

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“…Todavia os dois tipos de dejetos apresentaram valores de PB dentro das variações citadas por Hilliard et al (1979), de 11,8 e 31,4%. Lima et al (1993) também encontraram valores semelhantes de PB (10,8%) para dejetos de suínos peneirados.…”

Section: Resultsunclassified

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Desempenho de cordeiros das raças Bergamácia e Santa Inês, terminados em confinamento, recebendo dejetos de suínos como parte da dieta

et al. 2003

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RESUMO -Foram confinados, individualmente 33 cordeiros das raças Bergamácia e Santa Inês, por um período de 75 dias, com o intuito de avaliar a influência da raça e a viabilidade de utilizar dejetos de suínos como parte da dieta, sobre o consumo e desempenho de cordeiros terminados em confinamento. Utilizaram-se dois tipos de dejetos: o Bijú (Dejeto obtido através da raspagem e varredura do piso das baias de crescimento e terminação) e o Dejeto Peneirado Seco -DPS (Dejeto obtido através da peneiração da parte sólida do material contido na lâmina d'água e na água da lavagem das baias). Os tratamentos foram: T1-Controle; T2-Dieta com 24 % de Bijú; e T3-Dieta com 24 % de DPS. O ganho de peso (GP) e conversão alimentar (CA) foram afetados negativamente com o uso de dejetos de suínos, todavia o consumo proteína bruta (PB) e cálcio (Ca) não foi influenciado. Houve maior consumo de fósforo (P) nas dietas contendo dejetos, sendo o consumo de fibra em detergente neutro (FDN) e extrato etéreo (EE) variável. Entre as rações que continham dejetos não foram verificadas diferenças sobre os consumos de MS, PB, Ca e P e sobre o GP. Os cordeiros da raça Bergamácia apresentaram maior GP que os cordeiros da raça Santa Inês.Palavras-chave: nutrição, ovinos, resíduos, suínos, crescimento Performance of Bergamácia and Santa Inês Lambs, Finished in Fedlot, Receiving Swine Wastes as Part of DietABSTRACT -Thirty three lambs of Bergamácia and Santa Inês the breeds were individually confined for a period of 75 days with the objective to evaluate the influence of breed and the viability of the use of swine wastes as part of the diet on the intake and performance of lambs. Two types of wastes were used: Bijú (Wastes obtained through the scratching and sweeping of the floor of the growth and termination stalls) and the Dry Sifted Wastes -DSW (Wastes obtained through the sifting of the solid part of the material contained in the of water sheet of the stalls and in the water of washing of the stalls). The treatments were: T1-Control; T2-Diet with 24% of Bijú; and T3-Diet with 24% of DSW, dry matter base. There was influence of the rations (P <0.05) on the intake of neutral detergent fiber (NDF), ethereal extract (EE) and phosphorus (P); and also in the live weight gain (LWG) and in the alimentary conversion (AC). Among the diets with wastes it was not verified differences on the intake of DM, CP, Ca and P; and in LWG. The lambs of the Bergamácia breed showed a higher LWG than the Santa Inês lambs.

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Section: Resultsunclassified

“…De acordo com Hilliard et al (1979), os teores de proteína bruta podem variar de 11,8 a 31,4% e o extrato etéreo de 1,8 a 9,4%. Os dejetos também são ricos em cálcio (3% na matéria seca), fósforo (2% na matéria seca) e na maioria dos micro-minerais, já que 90% destes podem ser excretados nas fezes (Henning e Flachowsky, 1982).…”

Section: Introductionunclassified

Desempenho de cordeiros das raças Bergamácia e Santa Inês, terminados em confinamento, recebendo dejetos de suínos como parte da dieta

et al. 2003

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“…However, the chemical analysis of β-lactam antibiotics in fecal samples is not straightforward and includes several challenges. Pig feces, and feces in general, is considered to be a complex matrix, resulting in the need for advanced extraction protocols [ 22 , 23 ]. Furthermore, it has been reported that the gut bacteria can hydrolyze the β-lactam ring structure, and thus an adequate post-sampling protocol is necessary to obtain accurate results [ 19 ].…”

Section: Introductionmentioning

confidence: 99%

Development and Validation of Liquid Chromatography-Tandem Mass Spectrometry Methods for the Quantification of Cefquinome, Ceftiofur, and Desfuroylceftiofuracetamide in Porcine Feces with Emphasis on Analyte Stability

Rutjens¹,

Croubels²,

Baere³

et al. 2021

Molecules

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Cefquinome and ceftiofur are β-lactam antibiotics used for the treatment of bacterial infections in swine. Although these antimicrobials are administered intramuscularly, the exposure of the gut microbiota to these cephalosporins is not well described. This exposure can contribute to the emergence and spread of antimicrobials in the environment and to the possible spread of antimicrobial resistance genes. To assess the impact of drug administration on the intestinal excretion of these antimicrobials it is essential to measure the amounts of native compound and metabolites in feces. Two (ultra)-high-performance liquid chromatography-tandem mass spectrometry ((U)HPLC–MS/MS) methods were developed and validated, one for the determination of cefquinome and ceftiofur and the other for the determination of ceftiofur residues, measured as desfuroylceftiofuracetamide, in porcine feces. The matrix-based calibration curve was linear from 5 ng g−1 to 1000 ng g−1 for cefquinome (correlation coefficient (r) = 0.9990 ± 0.0007; goodness of fit (gof) = 3.70 ± 1.43) and ceftiofur (r = 0.9979 ± 0.0009; gof = 5.51 ± 1.14) and quadratic from 30 ng g−1 to 2000 ng g−1 for desfuroylceftiofuracetamide (r = 0.9960 ± 0.0020; gof = 7.31 ± 1.76). The within-day and between-day precision and accuracy fell within the specified ranges. Since β-lactam antibiotics are known to be unstable in feces, additional experiments were conducted to adjust the sampling protocol in order to minimize the impact of the matrix constituents on the stability of the analytes. Immediately after sampling, 500 µL of an 8 µg mL−1 tazobactam solution in water was added to 0.5 g feces, to reduce the degradation in matrix.

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Animal Protein Sources

Maner¹

1984

Swine Production and Nutrition

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Utilization of piggery waste I. The chemical composition and in vitro organic matter digestibility of pig faeces from commercial piggeries in south-eastern Australia

Cited by 12 publications

References 17 publications

Desempenho de cordeiros das raças Bergamácia e Santa Inês, terminados em confinamento, recebendo dejetos de suínos como parte da dieta

Desempenho de cordeiros das raças Bergamácia e Santa Inês, terminados em confinamento, recebendo dejetos de suínos como parte da dieta

Development and Validation of Liquid Chromatography-Tandem Mass Spectrometry Methods for the Quantification of Cefquinome, Ceftiofur, and Desfuroylceftiofuracetamide in Porcine Feces with Emphasis on Analyte Stability

Animal Protein Sources

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