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https://www.readbyqxmd.com/read/28821002/modeling-the-fate-and-transport-of-17%C3%AE-estradiol-in-the-south-river-watershed-in-virginia
#1
Xiaomin Zhao, Wu-Seng Lung
Hormones excreted by livestock metabolisms often enter surface water through feces and urine and can potentially cause adverse impacts to aquatic biota. This study involved a modeling analysis of 17β-estradiol (E2), a prevalent estrogen, in the South River watershed located in Augusta County, Virginia from 2013 to 2015. Cattle manure, poultry litter, biosolids, septic systems, and wastewater treatment plants (WWTPs) were considered as sources of E2 in this study. The EPA's BASINS modeling framework was configured to track the fate and transport of E2...
August 13, 2017: Chemosphere
https://www.readbyqxmd.com/read/28820378/indication-of-cross-species-transmission-of-astrovirus-associated-with-encephalitis-in-sheep-and-cattle
#2
Céline L Boujon, Michel C Koch, Daniel Wüthrich, Simea Werder, Dennis Jakupovic, Rémy Bruggmann, Torsten Seuberlich
We report the identification of a neurotropic astrovirus associated with encephalitis in a sheep. This virus is genetically almost identical to an astrovirus recently described in neurologically diseased cattle. The similarity indicates that astroviruses of the same genotype may cause encephalitis in different species.
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28820371/serologic-evidence-for-influenza-c-and-d-virus-among-ruminants-and-camelids-africa-1991-2015
#3
Elias Salem, Elizabeth A J Cook, Hicham Ait Lbacha, Justine Oliva, Félix Awoume, Gilbert L Aplogan, Emmanuel Couacy Hymann, Dishon Muloi, Sharon L Deem, Said Alali, Zaid Zouagui, Eric M Fèvre, Gilles Meyer, Mariette F Ducatez
Influenza D virus has been identified in America, Europe, and Asia. We detected influenza D virus antibodies in cattle and small ruminants from North (Morocco) and West (Togo and Benin) Africa. Dromedary camels in Kenya harbored influenza C or D virus antibodies, indicating a potential new host for these viruses.
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28820133/epidemiology-of-salmonella-enterica-serotype-dublin-infections-among-humans-united-states-1968-2013
#4
R Reid Harvey, Cindy R Friedman, Stacy M Crim, Michael Judd, Kelly A Barrett, Beth Tolar, Jason P Folster, Patricia M Griffin, Allison C Brown
Salmonella enterica serotype Dublin is a cattle-adapted bacterium that typically causes bloodstream infections in humans. To summarize demographic, clinical, and antimicrobial drug resistance characteristics of human infections with this organism in the United States, we analyzed data for 1968-2013 from 5 US surveillance systems. During this period, the incidence rate for infection with Salmonella Dublin increased more than that for infection with other Salmonella. Data from 1 system (FoodNet) showed that a higher percentage of persons with Salmonella Dublin infection were hospitalized and died during 2005-2013 (78% hospitalized, 4...
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28820079/validation-of-a-system-for-monitoring-individual-feeding-and-drinking-behaviour-and-intake-in-young-cattle
#5
B R Oliveira, M N Ribas, F S Machado, J A M Lima, L F L Cavalcanti, M L Chizzotti, S G Coelho
The objective of this study was to validate an electronic system for monitoring individual feeding and drinking behaviour and intake developed for young cattle housed in group. A total of 35 Holstein-Gyr crossbred heifers (BW: 180±52 kg; age: 121.5±32.5 days), fitted with an ear tag containing a unique passive transponder, were distributed in three groups of 12, 12 and 11 animals per period and had free access to 12 electronic feed bins and two electronic water bins (Intergado® Ltd). The dimensions of feed and water bins, as well as the sensors position were appropriate for young cattle...
August 18, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28819881/resveratrol-induces-apoptosis-and-inhibits-adipogenesis-by-stimulating-the-sirt1-ampk%C3%AE-foxo1-signalling-pathway-in-bovine-intramuscular-adipocytes
#6
Xiaomu Liu, Hongbo Zhao, Qing Jin, Wei You, Haijian Cheng, Yifan Liu, Enliang Song, Guifen Liu, Xiuwen Tan, Xianglun Zhang, Fachun Wan
Sirtuin type 1 (SIRTl) and AMP-activated protein kinase (AMPK) play important roles in regulating energy metabolism, cell proliferation and differentiation, ageing, apoptosis, and metabolism. The effect of 100, 200, and 400 μm Resveratrol (RES), an activator of SIRT1, on apoptosis of bovine intramuscular adipocytes was investigated by nuclear staining, flow cytometry, quantitative real-time polymerase chain reaction, and western blotting. Results show that RES inhibited adipogenesis, decreased cell viability, and increased apoptotic rates in a dose-dependent way...
August 17, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28819221/functional-validation-of-gpihbp1-and-identification-of-a-functional-mutation-in-gpihbp1-for-milk-fat-traits-in-dairy-cattle
#7
Jie Yang, Xuan Liu, Dan Wang, Chao Ning, Haifei Wang, Qin Zhang, Li Jiang
In a previous genome-wide association study (GWAS) on milk production traits in a Chinese Holstein population, we revealed that GPIHBP1 is a novel promising candidate gene for milk fat content traits. In this study, we performed over-expression and RNAi experiments on GPIHBP1 in bovine primary mammary epithelial cells. The results showed that the expression of several important milk fat-related genes (LPL, CD36, VLDLR, ACACA and FASN) increased or decreased when the expression of GPIHBP1 was up- or down-regulated...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819174/interleukin-17-receptor-a-il-17ra-as-a-central-regulator-of-the-protective-immune-response-against-giardia
#8
Oonagh Paerewijck, Brecht Maertens, Leentje Dreesen, Frederik Van Meulder, Iris Peelaers, Dariusz Ratman, Robert W Li, Erik Lubberts, Karolien De Bosscher, Peter Geldhof
The protozoan parasite Giardia is a highly prevalent intestinal pathogen with a wide host range. Data obtained in mice, cattle and humans revealed the importance of IL-17A in the development of a protective immune response against Giardia. The aim of this study was to further unravel the protective effector mechanisms triggered by IL-17A following G. muris infection in mice, by an RNA-sequencing approach. C57BL/6 WT and C57BL/6 IL-17RA KO mice were orally infected with G. muris cysts. Three weeks post infection, intestinal tissue samples were collected for RNA-sequencing, with samples from uninfected C57BL/6 WT and C57BL/6 IL-17RA KO animals serving as negative controls...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818887/draft-genome-sequences-of-escherichia-coli-o104-strains-of-bovine-and-human-origin
#9
Pragathi B Shridhar, Isha R Patel, Jayanthi Gangiredla, Mark K Mammel, Lance Noll, Xiaorong Shi, Jianfa Bai, Christopher A Elkins, Nancy Strockbine, T G Nagaraja
Cattle harbor and shed in their feces several Escherichia coli O104 serotypes. All O104 strains examined were intimin negative and belonged to the B1 phylogroup, and some were Shiga toxigenic. We report here the genome sequences of bovine O104:H7 (n = 5), O104:H23 (n = 2), O104:H8 (n = 1), and O104:H12 (n = 1) isolates and human clinical isolates of O104:H7 (n = 5).
August 17, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28818750/whole-genome-sequence-phylogenetic-analysis-of-four-mexican-rabies-viruses-isolated-from-cattle
#10
I Bárcenas-Reyes, E Loza-Rubio, G J Cantó-Alarcón, J Luna-Cozar, A Enríquez-Vázquez, R J Barrón-Rodríguez, F Milián-Suazo
Phylogenetic analysis of the rabies virus in molecular epidemiology has been traditionally performed on partial sequences of the genome, such as the N, G, and P genes; however, that approach raises concerns about the discriminatory power compared to whole genome sequencing. In this study we characterized four strains of the rabies virus isolated from cattle in Querétaro, Mexico by comparing the whole genome sequence to that of strains from the American, European and Asian continents. Four cattle brain samples positive to rabies and characterized as AgV11, genotype 1, were used in the study...
August 4, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28817666/assessing-the-sustainable-development-and-intensification-potential-of-beef-cattle-production-in-sumbawa-indonesia-using-a-system-dynamics-approach
#11
Dahlanuddin, Benjamin Henderson, Kanar Dizyee, Hermansyah, Andrew Ash
The intensification of beef cattle production in dryland areas of East Indonesia has the potential to substantially raise the incomes of smallholder farmers that dominate the sector. In this study we assess the potential for intensifying beef production on Sumbawa Island, by introducing a household feedlot production system (2-20 animals) based on the Leucaena leucocephala (leucanea) tree legume as an improved source of feed. We used a system dynamics approach to model the entire value chain, accounting for herd dynamics, demand dynamics and seasonality...
2017: PloS One
https://www.readbyqxmd.com/read/28817555/notes-from-the-field-death-of-a-farm-worker-after-exposure-to-manure-gas-in-an-open-air-environment-wisconsin-august-2016
#12
John M Shutske, Rebecca A Larson, Daniel M Schaefer, Liz Y Binversie, Scott Rifleman, Cheryl Skjolaas
On August 15, 2016, at approximately 6:30 a.m., a previously healthy male employee of a Wisconsin beef farm was found dead near the edge of an outdoor 60,400 square foot (1.4 acre) manure storage basin (Figure). The basin was approximately 15 feet (4.6 meters) deep and nearly full. The victim, aged 29 years, was discovered by another worker; the coroner was notified at 6:50 a.m., and he pronounced the victim dead at the scene. Thirteen dead cattle were discovered in an adjoining pen; three others were struggling to stand and were euthanized...
August 18, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28816360/c-c-motif-chemokine-ligand-2-regulates-lps-induced-inflammation-and-er-stress-to-enhance-proliferation-of-bovine-endometrial-epithelial-cells
#13
Whasun Lim, Hyocheol Bae, Fuller W Bazer, Sung-Man Kim, Gwonhwa Song
Chemokines play an important role in regulating the complex immune system at the maternal-fetal interface during pregnancy. Among various chemokines, C-C motif chemokine ligand 2 (CCL2) plays a role in the recruitment of immune regulatory cells to implantation sites within the endometrium. In cattle, CCL2 is abundantly expressed in the uterine endometrium. However, its intracellular signaling has not been identified. In this study, we examined the effects of CCL2 on bovine endometrial (BEND) cell proliferation...
August 17, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28815846/innovative-look-at-dairy-heifer-rearing-effect-of-prenatal-and-post-natal-environment-on-later-performance
#14
REVIEW
M Van Eetvelde, G Opsomer
As heifer rearing is a costly investment, dairy farmers have been stimulated to maximize early growth of their calves, mainly by enhanced liquid feeding. However, the long-term effects of this "accelerated growth" are largely unknown. Studies recently performed at Ghent University indicate that in dairy cattle, certain maternal factors (such as young age and high milk yield) and environmental factors (such as high ambient temperatures) create a suboptimal environment for the developing foetus, altering the phenotype of the newborn calf...
August 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28815376/evaluation-of-genetic-and-non-genetic-factors-on-foot-and-mouth-disease-fmd-virus-vaccine-elicited-immune-response-in-hardhenu-bos-taurus-x-bos-indicus-cattle
#15
Manjeet, B L Pander, R Sharma, S S Dhaka, Ankit Magotra, Kapil Dev
Foot and mouth disease (FMD) is the most contagious disease of mammals and a major threat to animal husbandry sector. In India, vaccination with the inactivated trivalent (O, A and Asia1) vaccine is one proven way for protecting the livestock from FMD. However, many outbreaks have been reported in different parts of the country. Therefore, present study was aimed at elucidating the effects of genetic and non-genetic factors on FMD viral vaccine-elicited immune response in Hardhenu cattle. The effect of season of vaccination was not consistent...
August 16, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28814534/clinician-attitudes-to-pain-and-use-of-analgesia-in-cattle-where-are-we-10-years-on
#16
John G Remnant, Alex Tremlett, Jon N Huxley, Chris D Hudson
Pain in cattle can arise though disease or injury or may result from veterinary or husbandry procedures. Controlling pain is important to safeguard animal welfare. Previous studies indicated that the use of analgesics in cattle has lagged behind use in companion animals. Over the last decade, more analgesic products have become available for use in cattle and there have been increased efforts to communicate the importance and benefits of analgesia. A questionnaire (based on that used in a similar study published in 2006) was sent to UK cattle practitioners asking them to score pain severity for several conditions of cattle and asking about their attitudes towards and use of analgesic medicines...
August 16, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28814302/ompa-protein-sequence-based-typing-and-virulence-associated-gene-profiles-of-pasteurella-multocida-isolates-associated-with-bovine-haemorrhagic-septicaemia-and-porcine-pneumonic-pasteurellosis-in-thailand
#17
Teerasak E-Kobon, Ratiporn Leeanan, Saengtian Pannoi, Pornchai Anuntasomboon, Pacharee Thongkamkoon, Arinthip Thamchaipenet
BACKGROUND: Pasteurella multocida is a Gram-negative bacterium that causes economically significant infections of a broad range of animal species. Pneumonic and septicaemic pasteurellosis caused by this bacterium remain important problems in pigs, cattle, and water buffaloes in Thailand. The aim of this study was to characterise the virulence-associated gene profiles and to develop an OmpA molecular typing scheme for classifying 191 bovine and porcine isolates of P. multocida collected between 1989 and 2012 in Thailand using polymerase chain reactions (PCRs), nucleotide sequencing, and sequence and structural bioinformatics analyses...
August 16, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28813714/effects-of-riboflavin-and-ultraviolet-illumination-on-the-biomechanical-properties-of-conjunctiva
#18
Harrison Man Hin Chan, Bonnie Nga Kwan Choy, Jimmy Shiu Ming Lai
PURPOSE: Our experiment evaluated the biomechanical effects of riboflavin and ultraviolet A illumination, in terms of covalent bonding, permeability, and indentation rupture force, on excised cattle conjunctiva. MATERIALS AND METHODS: Cattle conjunctiva was extracted and divided into the treatment group, which was soaked in riboflavin, followed by ultraviolet light illumination, and the control group. Samples were subsequently analysed on a Fourier transform infrared spectrum test to identify the presence of amide bonds, a permeability test to assess the diffusion of methylene blue across conjunctiva, and an indentation rupture force test...
August 17, 2017: Ophthalmic Research
https://www.readbyqxmd.com/read/28813459/%C3%AE-2-microglobulin-gene-duplication-in-cetartiodactyla-remains-intact-only-in-pigs-and-possibly-confers-selective-advantage-to-the-species
#19
Thong Minh Le, Quy Van Chanh Le, Dung Minh Truong, Hye-Jeong Lee, Min-Kyeung Choi, Hyesun Cho, Hak-Jae Chung, Jin-Hoi Kim, Jeong-Tae Do, Hyuk Song, Chankyu Park
Several β2-microglobulin (B2M) -bound protein complexes undertake key roles in various immune system pathways, including the neonatal Fc receptor (FcRn), cluster of differentiation 1 (CD1) protein, non-classical major histocompatibility complex (MHC), and well-known MHC class I molecules. Therefore, the duplication of B2M may lead to an increase in the biological competence of organisms to the environment. Based on the pig genome assembly SSC10.2, a segmental duplication of ~45.5 kb, encoding the entire B2M protein, was identified in pig chromosome 1...
2017: PloS One
https://www.readbyqxmd.com/read/28813101/forage-potential-of-native-ecotypes-of-paspalum-notatum-and-p-guenoarum
#20
Marcelo G Steiner, Miguel Dall'agnol, Carlos Nabinger, Simone M Scheffer-Basso, Roberto L Weiler, Carine Simioni, Maria Teresa Schifino-Wittmann, Éder A M DA Motta
The Paspalum genus includes several species that are important for livestock in Rio Grande do Sul, such as P. notatum and P. guenoarum, typical of native pastures of the Pampa biome. The aim of this study was to investigate forage production and chemical composition of four ecotypes of these species in relation to the cv. 'Pensacola' (P. notatum). Ecotypes of P. guenoarum (Azulão and Baio) and P. notatum (André da Rocha and Bagual) and the cv. 'Pensacola' were evaluated for two years, during which four cuts/year were made...
August 14, 2017: Anais da Academia Brasileira de Ciências
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