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Ten bisphenol analogs were abundantly found in swine and bovine urines collected from two Chinese farms: concentration profiles and risk evaluation
Environ Sci Pollut Res Int. 2022 Sep 21. doi: 10.1007/s11356-022-23089-3. Online ahead of print.ABSTRACTBisphenol analogs (BPs) in livestock urine are important biomarkers to reflect the potential contaminants in food products derived from these animals. Nevertheless, little research has been done on their occurrence in farm animal urine. This work investigated ten BPs in swine and bovine urines collected from two Chinese farms. Results showed that all of these ten BPs were frequently detected in swine and bovine urines. The total mean concentration of the ten BPs (ΣBPs) in sow urines was 59.7 ng/mL, which was significant...
Source: Environmental Science and Pollution Research International - September 21, 2022 Category: Environmental Health Authors: Hao Wang Zhao Tang Ze-Hua Liu Feng Zeng Jun Zhang Zhi Dang Source Type: research

Cardiovascular Parameters in a Swine Model of Normobaric Hypoxia Treated With 5-Hydroxymethyl-2-Furfural (5-HMF)
Conclusion: 5-HMF treatment decreased P50, improved SaO2, and mitigated increases in PAP in this swine model of NH. Introduction The reduction of barometric pressure at altitude is associated with reduced partial pressure of ambient Oxygen (PO2). With lower ambient PO2, it can be anticipated that alveolar (PAO2), arterial O2 (PaO2) and blood O2 content (CaO2) will decrease accordingly, resulting in a widely recognized decrease in maximal O2 consumption (VO2) (Dill and Adams, 1972; Lucas et al., 2011). In humans, with acute exposure to altitude, maximal VO2 decrements are measurable at elevations even as low as 580 ...
Source: Frontiers in Physiology - April 17, 2019 Category: Physiology Source Type: research

Microbiota in fermented feed and swine gut.
Abstract Development of alternatives to antibiotic growth promoters (AGP) used in swine production requires a better understanding of their impacts on the gut microbiota. Supplementing fermented feed (FF) in swine diets as a novel nutritional strategy to reduce the use of AGP and feed price, can positively affect the porcine gut microbiota, thereby improving pig productivities. Previous studies have noted the potential effects of FF on the shift in benefit of the swine microbiota in different regions of the gastrointestinal tract (GIT). The positive influences of FF on swine gut microbiota may be due to the benefi...
Source: Applied Microbiology and Biotechnology - February 16, 2018 Category: Microbiology Authors: Wang C, Shi C, Zhang Y, Song D, Lu Z, Wang Y Tags: Appl Microbiol Biotechnol Source Type: research

Amino Acids in Swine Nutrition and Production
Adv Exp Med Biol. 2021;1285:81-107. doi: 10.1007/978-3-030-54462-1_6.ABSTRACTAmino acids are the building blocks of proteins in animals, including swine. With the development of new analytical methods and biochemical research, there is a growing interest in fundamental and applied studies to reexamine the roles and usage of amino acids (AAs) in swine production. In animal nutrition, AAs have been traditionally classified as nutritionally essential (EAAs) or nutritionally nonessential (NEAAs). AAs that are not synthesized de novo must be provided in diets. However, NEAAs synthesized by cells of animals are more abundant tha...
Source: Advances in Experimental Medicine and Biology - March 26, 2021 Category: Research Authors: Qian Zhang Yongqing Hou Fuller W Bazer Wenliang He Erin A Posey Guoyao Wu Source Type: research

Swine manure valorization in fabrication of nutrition and energy.
This article deeply focuses on biodegradation of swine manure. The components of this manure were evaluated and established several approaches to improve biogas production. Furthermore, recycling of co-digestates was discussed in detail as fertilizer consumption including hygienic aspects of manure and pretreatment strategies of biomass residues. KEY POINTS: • Co-digestion of manure and carcasses enhance bio-methane production. • Removel of ammonia from biogas digester may improve bio-methane gas. • A strong antimicrobial influence has been reported on biogas production. PMID: 33074416 [PubMed - as supplied by publisher]
Source: Applied Microbiology and Biotechnology - October 19, 2020 Category: Microbiology Authors: Giwa AS, Ali N, Asif M Tags: Appl Microbiol Biotechnol Source Type: research

Co-composting of food waste and swine manure augmenting biochar and salts: Nutrient dynamics, gaseous emissions and microbial activity
Bioresour Technol. 2021 Nov 6:126300. doi: 10.1016/j.biortech.2021.126300. Online ahead of print.ABSTRACTThe prominent characteristics of the biochar, high porosity, sorption capacity with low density improve the aeration, making it a desirable amendment material for composting process. The composting efficiency was analysed by the impact of rice husk biochar amendment (0, 2, 4, 6, 8 and 10%) in the presence of salts for the co-composting of food waste and swine manure, in composting reactors for 50 days. Results revealed that biochar amendment had improved the degradation rates by microbial activities in comparison with c...
Source: Bioresource Technology - November 9, 2021 Category: Biotechnology Authors: Balasubramani Ravindran Mukesh Kumar Awasthi Natchimuthu Karmegam Soon Woong Chang Dhiraj Kumar Chaudhary Ammaiyappan Selvam Dinh Duc Nguyen Ashequr Rahman Milon Ganesh Munuswamy-Ramanujam Source Type: research

Spinal cord degeneration in juvenile and adult swine
AbstractSpinal cord degeneration was identified in nine swine consisting of four fattening pigs (5  months old) and five adult sows (2 to 3 years old). These animals were raised on nine different farms and culled over a 1.5-year period on account of similar clinical signs encompassing ataxia and paresis progressing to paraplegia. Histopathologically, the spinal cord exhibited white matter degen eration with no predilection for specific tracts, which was more severe in five swine and less severe in the others. White matter lesions were characterized by Wallerian-type degeneration of myelinated axons, exhibiting axonal swe...
Source: Comparative Clinical Pathology - May 30, 2018 Category: Pathology Source Type: research

L-Glutamate nutrition and metabolism in swine.
Abstract L-Glutamate (Glu) has traditionally not been considered as a nutrient needed in diets for humans and other animals (including swine) due to the unsubstantiated assumption that animals can synthesize sufficient amounts of Glu to meet their needs. The lack of knowledge about Glu nutrition has contributed to suboptimal efficiency of global livestock production. Over the past 25 years, there has been growing interest in Glu metabolism in the pig, which is an agriculturally important species and also a useful model for studying human biology. Because of analytical advances in its analysis, Glu is now known to...
Source: Amino Acids - August 16, 2018 Category: Biochemistry Authors: Hou Y, Wu G Tags: Amino Acids Source Type: research

UV-C irradiation is able to inactivate pathogens found in commercially collected porcine plasma as demonstrated by swine bioassay
Publication date: Available online 12 October 2019Source: Veterinary MicrobiologyAuthor(s): E. Blázquez, C. Rodríguez, J. Ródenas, N. Navarro, R. Rosell, S. Pina-Pedrero, J.M. Campbell, M. Sibila, J. Segalés, J. Pujols, J. PoloAbstractLiquid porcine plasma is an animal origin raw material for the manufacturing process of spray-dried porcine plasma that is used in pig nutrition worldwide. In previous studies we found that the application of ultraviolet light C (UV-C) in liquid plasma that was inoculated with a variety of bacteria or viruses of importance in the swine industry can be considered as redundant safety steps ...
Source: Veterinary Microbiology - October 13, 2019 Category: Veterinary Research Source Type: research

Response and mechanisms of the performance and fate of antibiotic resistance genes to nano-magnetite during anaerobic digestion of swine manure
In this study, the optimized dosage of nano-magnetite to enhance methane production was figured out, the changes of the fate of ARGs response to nano-magnetite were investigated, and the microbial mechanisms were deciphered through the microbial community analysis and key functional genes quantification. Results showed that nano-magnetite could improve the methane production by maximum 6.0%, the maximum daily methane production could be increased by 47.8%, and the AD time could be shortened by above 20.0% at the addition of 75 mmol. The improved performance could be associated with the enhancement of direct interspecies ...
Source: Journal of Hazardous Materials - December 5, 2018 Category: Environmental Health Source Type: research