This study investigated the impact of root (RP) for reducing methane and its impact on rumen fermentation and blood metabolites in cattle. Rumen fluid was collected from three cannulated steers (736 ± 15 kg) and mixed with buffer (1:3 ratio) for the in vitro trial. Treatments were divided into control and RP supplement groups (1%, 3%, and 5% of substrates), with each sample incubated at 39 °C for 24 and 48 hours.
View Article and Find Full Text PDFObstet Gynecol Sci
March 2024
The use of chatbot technology, particularly chat generative pre-trained transformer (ChatGPT) with an impressive 175 billion parameters, has garnered significant attention across various domains, including Obstetrics and Gynecology (OBGYN). This comprehensive review delves into the transformative potential of chatbots with a special focus on ChatGPT as a leading artificial intelligence (AI) technology. Moreover, ChatGPT harnesses the power of deep learning algorithms to generate responses that closely mimic human language, opening up myriad applications in medicine, research, and education.
View Article and Find Full Text PDFThe COVID-19 pandemic has underscored that divisive views on science and technology span both the Global North and South. This study posits that an individual's perception of their current living standard acts as a mediating factor linking income inequality to attitudes towards scientific and technological advancements. It contends that rising income disparities shape perceptions, making individuals feel their current living conditions have not surpassed those of prior generations.
View Article and Find Full Text PDFObjective: To evaluate the relationship between respiratory muscle strength, diaphragm thickness (DT), and indices of sarcopenia.
Methods: This study included 45 healthy elderly volunteers (21 male and 24 female) aged 65 years or older. Sarcopenia indices, including hand grip strength (HGS) and body mass index-adjusted appendicular skeletal muscle (ASM/BMI), were measured using a hand grip dynamometer and bioimpedance analysis, respectively.
This study aimed to investigate cone essential oil (PEO) as a methane (CH) inhibitor and determine its impact on the taxonomic and functional characteristics of the rumen microbiota in goats. A total of 10 growing Korean native goats (, 29.9 ± 1.
View Article and Find Full Text PDFObjective: Vaccines are an effective means to reduce the spread of diseases, but they are sometimes met with hesitancy that needs to be understood.
Method: In this study, we analyzed data from a large, cross-country survey conducted between June and August 2021 in 43 countries (N = 15,740) to investigate the roles of trust in government and science in shaping vaccine attitudes and willingness to be vaccinated.
Results: Despite significant variability between countries, we found that both forms of institutional trust were associated with a higher willingness to receive a COVID-19 vaccine.
Introduction: The effect of tixagevimab/cilgavimab (Evusheld™; AstraZeneca, UK) should be evaluated in the context of concurrent outbreak situations.
Methods: For serologic investigation of tixagevimab/cilgavimab during the BA.5 outbreak period, sera of immunocompromised (IC) hosts sampled before and one month after tixagevimab/cilgavimab administration and those of healthcare workers (HCWs) sampled one month after a 3 shot of COVID-19 vaccines, five months after BA.
A series of batch culture incubations were carried out to investigate changes in rumen fermentation characteristics, methane (CH) production, and microbial composition in response to supplementation with five different red seaweed species (, AANC; , ATAX; , CTEN; , GELL; and , GPAR). Prior to the incubations, the total flavonoid and polyphenol content of the red seaweed extracts was quantified. The incubated substrate consisted of timothy hay and corn grain [60:40 dry matter (DM) basis].
View Article and Find Full Text PDFObjective: To characterize the repetitive transcranial magnetic stimulation (rTMS) induced changes in angiogenic mechanisms across different brain regions.
Methods: Seventy-nine adult male Sprague-Dawley rats were subjected to a middle cerebral artery occlusion (day 0) and then treated with 1-Hz, 20-Hz, or sham stimulation of their lesioned hemispheres for 2 weeks. The stimulation intensity was set to 100% of the motor threshold.
The purpose of this study is to analyze the impact of social class and lifestyle on the consumption of organic foods in South Korea. Consumer behavior regarding organic foods is influenced by lifestyle, as well as income-level and education. This study provides a new perspective on the socio-economic structure of organic food consumption patterns in urban areas by extracting information from big data.
View Article and Find Full Text PDFRuminants produce large amounts of methane as part of their normal digestive processes. Recently, feed additives were shown to inhibit the microorganisms that produce methane in the rumen, consequently reducing methane emissions. The objective of this study was to evaluate the dose-response effect of var.
View Article and Find Full Text PDFWe identified metabolites in the seeds of (PA) and evaluated their effects on rumen methanogenesis, fiber digestibility, and the rumen microbiome and . Four rumen-cannulated Holstein steers (mean body weight 507 ± 32 kg) were used as inoculum donor for trial and live continuous culture system for trial. PA was tested at doses ranging from 4.
View Article and Find Full Text PDFThe present study investigated the effects of relative humidity (RH) on the laying performance, egg quality, and stress indicators of laying hens raised at high ambient temperatures. A total of 180 Hy-Line Brown laying hens (68-wk-old) were randomly allotted to one of the following three RH conditions for 12 h a day (9:00 a.m.
View Article and Find Full Text PDFHip adductor spasticity is a contributing factor to hip dislocation in patients with cerebral palsy (CP). We hypothesized that botulinum toxin injected into the hip adductor muscles would reduce spasticity and help prevent hip dislocation. Twenty patients with bilateral spastic CP aged 2 to 10 years with gross motor function classification system level IV or V were included.
View Article and Find Full Text PDFAmong 200 fungal strains isolated from the soil, only one culture filtrate of JCK-4087 showed strong nematicidal activity against . The nematicidal metabolite isolated from the culture filtrate of JCK-4087 was identified as cyclopiazonic acid (CPA). Because JCK-4087 also produced aflatoxins, six strains of , which have been reported to be CPA producers, were obtained from the bank and then tested for their CPA productivity.
View Article and Find Full Text PDFGrammicin, a polyketide metabolite produced by the endolichenic fungus KCTC 13121BP, shows strong nematicidal activity against This study was performed to elucidate the grammicin biosynthesis pathway of KCTC 13121BP and to examine the nematicidal activity of the biosynthesis intermediates and derivatives against . Two grammicin biosynthesis intermediates were isolated from a T-DNA insertion transformant (strain TR-74) of KCTC 13121BP and identified as 2-(hydroxymethyl)cyclohexa-2,5-diene-1,4-dione (compound ) and 2,5-dihydroxybenzaldehyde (compound ), which were also reported to be intermediates in the biosynthesis pathway of patulin, an isomer of grammicin. This indicates that the grammicin biosynthesis pathway overlaps almost with that of patulin, except for the last few steps.
View Article and Find Full Text PDFWe evaluated whether olive leaves (OLs) are effective as feed additives and supplements for ruminants and the potential methane reduction effects during in vitro fermentation. Two Hanwoo cows (460 ± 20 kg) equipped with cannula were fed Timothy hay and corn-based feed 3% of the body weight at a ratio of 6:4 (8:30 a.m.
View Article and Find Full Text PDFHeat stress (HS) damages health and decreases performance variables in pigs, and if severe enough, causes mortality. However, metabolic changes under HS and recovery following HS are poorly understood. Therefore, this study was aimed to expose the essential mechanisms by which growing pigs respond to HS and the temporal pattern of plasma concentrations (PC) of amino acids (AAs) and metabolites.
View Article and Find Full Text PDFHeat stress (HS) causes adverse impacts on pig production and health. A potential biomarker of HS is required to predict its occurrence and thereby better manage pigs under HS. Information about the saliva metabolome in heat-stressed pigs is limited.
View Article and Find Full Text PDFIndiscriminate use of antibiotics can result in antibiotic residues in animal products; thus, plant compounds may be better alternative sources for mitigating methane (CH) production. An in vitro screening experiment was conducted to evaluate the potential application of 152 dry methanolic or ethanolic extracts from 137 plant species distributed in East Asian countries as anti-methanogenic additives in ruminant feed. The experimental material consisted of 200 mg total mixed ration, 20 mg plant extract, and 30 mL diluted ruminal fluid-buffer mixture in 60 mL serum bottles that were sealed with rubber stoppers and incubated at 39 °C for 24 h.
View Article and Find Full Text PDFWe investigated the effect of different ambient temperatures and relative humidity (RH) with the same temperature-humidity indices (THI) on laying performance, egg quality, heterophil to lymphocyte ratio (H/L ratio), corticosterone (CORT) concentration in blood, yolk, and albumen, and plasma biochemical parameters of laying hens. Commercial hens (Hy-Line Brown; = 120), aged 60 weeks, were allocated to two environmental chambers. Laying hens were subjected to either one of two thermal treatments-26 °C and 70% RH (TH75) or 30 °C and 30% RH (TH75) for 28 days-with the same THI of 75.
View Article and Find Full Text PDF