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https://www.readbyqxmd.com/read/29145066/relationship-between-follicular-dynamics-and-oocyte-maturation-during-in%C3%A2-vitro-culture-as-a-non-invasive-sign-of-caprine-oocyte-meiotic-competence
#1
J Cadenas, C Maside, A C A Ferreira, L A Vieira, J Leiva-Revilla, V M Paes, B G Alves, F Z Brandão, A P R Rodrigues, M B Wheeler, J R Figueiredo
The search for non-invasive signs of oocyte meiotic competence is very important for the development of in vitro follicle culture (IVFC) systems. The aims of the present study were: (1) to investigate the effect of in vitro maturation (IVM) of in vivo grown goat COCs, in group or individually, on oocyte chromatin configuration (Experiment 1), and (2) the influence of IVFC period (12 vs. 18 days) on the ability of the oocyte to resume meiosis immediately after IVFC (before in vitro maturation; IVM), or after IVM (Experiment 2)...
November 4, 2017: Theriogenology
https://www.readbyqxmd.com/read/29144380/a-passive-and-wireless-sensor-for-bone-plate-strain-monitoring
#2
Yisong Tan, Jiale Hu, Limin Ren, Jianhua Zhu, Jiaqi Yang, Di Liu
This paper reports on a sensor for monitoring bone plate strain in real time. The detected bone plate strain could be used for judging the healing state of fractures in patients. The sensor consists of a magnetoelastic material, which can be wirelessly connected and passively embedded. In order to verify the effectiveness of the sensor, a tibia-bone plate-screw (TBS) model was established using the finite element analysis method. A variation of the bone plate strain was obtained via this model. A goat hindquarter tibia was selected as the bone fracture model in the experiment...
November 16, 2017: Sensors
https://www.readbyqxmd.com/read/29143854/in-vitro-biotransformation-of-pyrrolizidine-alkaloids-in-different-species-part%C3%A2-i-microsomal-degradation
#3
Franziska Kolrep, Jorge Numata, Carsten Kneuer, Angelika Preiss-Weigert, Monika Lahrssen-Wiederholt, Dieter Schrenk, Anja These
Pyrrolizidine alkaloids (PA) are secondary metabolites of certain flowering plants. The ingestion of PAs may result in acute and chronic effects in man and livestock with hepatotoxicity, mutagenicity, and carcinogenicity being identified as predominant effects. Several hundred PAs sharing the diol pyrrolizidine as a core structure are formed by plants. Although many congeners may cause adverse effects, differences in the toxic potency have been detected in animal tests. It is generally accepted that PAs themselves are biologically and toxicologically inactive and require metabolic activation...
November 16, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/29143232/assessment-of-gastrointestinal-nematode-infection-anthelmintic-usage-and-husbandry-practices-on-two-small-scale-goat-farms-in-malaysia
#4
Flora Wong, Neil Sargison
Haemonchosis is a common problem on goat farms in tropical countries such as Malaysia. Prevention of production losses generally depends on the use of anthelmintic drugs, but is threatened by the emergence of anthelmintic resistance. This study investigates anthelmintic efficacy on small-scale Malaysian goat farms and describes putative risk factors. Adult goats had moderate to high pre-treatment faecal trichostrongyle egg counts, despite being housed on slatted floors and fed on cut-and-carry forage, raising questions about the source of nematode infection...
November 15, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29142433/prosopis-juliflora-pods-alkaloid-rich-fraction-in-vitro-anthelmintic-activity-on-goat-gastrointestinal-parasites-and-its-cytotoxicity-on-vero-cells
#5
Helimar Gonçalves Lima, Danilo Cavalcante Gomes, Nathália Silva Santos, Êuder Reis Dias, Mariana Borges Botura, Maria José Moreira Batatinha, Alexsandro Branco
Background: This study was designed to assess the in vitro anthelmintic activity of the fraction containing alkaloid from Prosopis juliflora pods on goat gastrointestinal nematodes using the egg hatch assay (EHA), larval migration inhibition assay (LMIA), and larval motility assay (LMA). Materials and Methods: The alkaloid-rich fraction (AF) - content juliprosopine as major alkaloid - was obtained from ethyl acetate extract after fractionation in Sephadex LH-20 chromatography column and its characterization were made by nuclear magnetic resonance analysis together with literature data comparison...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142249/a-magnetoelastic-biosensor-based-on-e2-glycoprotein-for-wireless-detection-of-classical-swine-fever-virus-e2-antibody
#6
Xing Guo, Shengbo Sang, Jinyu Guo, Aoqun Jian, Qianqian Duan, Jianlong Ji, Qiang Zhang, Wendong Zhang
A wireless magnetoelastic (ME) biosensor immobilized with E2 glycoprotein was first developed to detect classical swine fever virus (CSFV) E2 antibody. The detection principle is that a sandwich complex of CSFV E2 - rabbit anti-CSFV E2 antibody - alkaline phosphatase (AP) conjugated goat anti-rabbit IgG formed on the ME sensor surface, with biocatalytic precipitation used to amplify the mass change of antigen-antibody specific binding reaction, induces a significant change in resonance frequency of the biosensor...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29141023/domestic-sheep-show-average-coxiella-burnetii-seropositivity-generations-after-a-sheep-associated-human-q-fever-outbreak-and-lack-detectable-shedding-by-placental-vaginal-and-fecal-routes
#7
Ryan D Oliveira, Michelle R Mousel, Kristy L Pabilonia, Margaret A Highland, J Bret Taylor, Donald P Knowles, Stephen N White
Coxiella burnetii is a globally distributed zoonotic bacterial pathogen that causes abortions in ruminant livestock. In humans, an influenza-like illness results with the potential for hospitalization, chronic infection, abortion, and fatal endocarditis. Ruminant livestock, particularly small ruminants, are hypothesized to be the primary transmission source to humans. A recent Netherlands outbreak from 2007-2010 traced to dairy goats resulted in over 4,100 human cases with estimated costs of more than 300 million euros...
2017: PloS One
https://www.readbyqxmd.com/read/29138747/seroprevalence-of-toxoplasma-gondii-and-neospora-caninum-infections-in-goats-from-two-argentinean-provinces
#8
María Laura Gos, Jorge Alberto Manazza, Ernesto J A Späth, Lais Pardini, María Andrea Fiorentino, Juan Manuel Unzaga, Gastón Moré, María Cecilia Venturini
The aim of this study was to compare the seroprevalence of Toxoplasma gondii and Neospora caninum in goats from two Argentinean provinces raised under different management conditions. A total of 2922 serum samples from adult goats of Córdoba (n=2187) and Buenos Aires provinces (n= 735), Argentina, were assayed by indirect fluorescence antibody test (IFAT, cut-off 1:100) for antibodies to T. gondii and N. caninum. Seroprevalence was 40.8% (CI 39.0%-42.6%) and 5.5% (CI 4.7%-6.4%) for T. gondii and N. caninum, respectively...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/29137746/ultrasonically-tailored-chemically-engineered-and-qbd-enabled-fabrication-of-agomelatine-nanoemulsion-optimization-characterization-ex-vivo-permeation-and-stability-study
#9
Shakeeb Ahmed, Azka Gull, Mahtab Alam, Mohd Aqil, Yasmin Sultana
The objective of present study was to develop a nanoemulsion formulation of agomelatine (BCS class II drug) for the solubility enhancement. Capmul MCM, Tween 80 and PEG-400 were selected as oil, surfactant and co-surfactant respectively. The high energy ultrasonication method was used for the preparation of nanoemulsion. Three-factor three-level central composite design was employed to get the best formulation. The independent variables selected for the optimization were % oil, %Smix and sonication time (second)...
March 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29137669/blocked-expression-of-key-genes-of-the-angiogenic-pathway-in-jsrv-induced-pulmonary-adenocarcinomas
#10
Maryline Gomes, Fabienne Archer, Nicolas Girard, Barbara Gineys, Christine Dolmazon, Alexandra Bobet Erny, Jean-François Mornex, Caroline Leroux
JSRV (Jaagsiekte Sheep Retrovirus) is a retrovirus inducing a transmissible lung adenocarcinoma in sheep and goats with predominantly lepidic and papillary lesions. This naturally occurring lung cancer in large animals shares many features with human pneumonic-type lung adenocarcinomas with predominant lepidic growth. The metastatic spread is rare in both human and animal cancers. This unique feature prompted us to decipher the angiogenesis pathway in these cancers. We focused on the levels of mRNA and proteins of genes implicated in the extension of JSRV-induced lung adenocarcinomas by studying their expression in lung cancers (n = 10) and normal lungs (n = 10) and in primary epithelial alveolar type II cells derived from cancers (n = 10) or normal lungs (n = 6)...
November 14, 2017: Veterinary Research
https://www.readbyqxmd.com/read/29134971/detection-of-dna-fragmentation-in-liver-of-goats-exposed-to-lead-poisoning-in-bagega-district-of-zamfara-state-nigeria
#11
A T Jubril, O A Fagbohun, A A Adekola
The ubiquitous presence of lead (Pb) and its release by anthropogenic activities has remained a majorenvironmental pollution risk to both humans and animals. Lead toxicity has been associated with different systemic toxicitiesand biochemical impacts (such as oxidative stress and DNA damaging effects) with dire health consequences. In Nigeria,the health problem associated with lead toxicity has been overwhelming in the Bagega District of Zamfara State whereartisanal gold mining has resulted in widespread environmental lead contamination...
June 30, 2017: Nigerian Journal of Physiological Sciences: Official Publication of the Physiological Society of Nigeria
https://www.readbyqxmd.com/read/29134700/comparative-analysis-of-ovarian-transcriptomes-between-prolific-and-non-prolific-goat-breeds-via-high-throughput-sequencing
#12
X-D Zi, J-Y Lu, H Zhou, L Ma, W Xia, X-R Xiong, D-L Lan, X-H Wu
To increase the current understanding of the gene expression in the pre-ovulatory ovary and identify the key genes involved in the regulation of ovulation rate, we compared the transcriptomes of ovaries from the prolific Jintang black goat (JTG) and the non-prolific Tibetan goat (TBG) during the follicular phase using the Illumina RNA-Seq method. Three ovarian libraries were constructed for each breed. On average, we obtained approximately 49.2 and 45.9 million reads for each individual ovary of TBGs and JTGs, respectively, of which 79...
November 14, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/29134541/bovine-herpesvirus-1-bhv-1-bovine-leukemia-virus-blv-and-bovine-viral-diarrhea-virus-bvdv-infections-in-algerian-dromedary-camels-camelus-dromaderius
#13
Radhwane Saidi, Amina Bessas, Idir Bitam, Yaşar Ergün, Veysel Soydal Ataseven
This study was performed to investigate the presence of bovine herpesvirus-1 (BHV-1), bovine leukemia virus (BLV) and bovine viral diarrhea virus (BVDV) infections in dromedary camels (Camelus dromaderius) kept in mixed herds with sheep and goats in Algeria, since the prevalence of BHV-1, BVDV, and BLV infections among dromedary camels in Algeria is unknown. Totally, 111 camel sera were collected from two provinces (Laghouat and Ghardaia) in Algeria. The sera were analyzed for BHV-1 specific antibodies, BVDV specific antibodies and BVDV antigen using the ELISA, and BLV nucleic acid using PCR...
November 13, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29131471/the-toxicological-effects-of-some-avermectins-on-goat-liver-carbonic-anhydrase-enzyme
#14
Cuneyt Caglayan, İlhami Gulcin
Avermectins are used worldwide as antiparasitic drugs in the field of veterinary medicine and as agricultural pesticides and insecticides. Carbonic anhydrase (CA, E.C. 4.2.1.1) is a zinc-containing metalloenzyme that catalyzes the reversible hydration of carbon dioxide (CO2 ) to yield protons (H(+) ) and bicarbonate (HCO3(-) ). In this study, some avermectins, including abamectin, doramectin, eprinomectin, and moxidectin, were investigated for in vitro inhibitory effects on the CA enzyme purified from goat liver, which was purified (125...
November 13, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/29131456/performance-and-hemtochemical-parameters-of-buck-kids-fed-concentrate-partially-replaced-with-tropical-piliostigma-thonningii-foliage
#15
Olurotimi A Olafadehan, Ahmed A Njidda, Sunday A Okunade, Sarah O Salihu, David O Balogun, Abdelfattah Z M Salem
Fifteen 5-month-old Red Sokoto buck-kids, (6.6 ± 0.71 kg body weight (BW)) randomly distributed into three groups of five animals per group, were used to study the effects of supplementary concentrate partially replaced with Piliostigma thonningii (PT) foliage on the growth performance, economic benefit and blood profile in a completely randomized design using analysis of variance. The goats in group 1 received 100% supplementary concentrates (PT0), groups 2 and 3 received 25% (PT25) and 50% (PT50), respectively, of concentrate replaced with an equal amount (dry matter basis) of Piliostigma foliage...
November 12, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29130778/lack-of-induced-mutagenesis-in-e-coli-or-human-lymphoblast-cell-line-upon-long-term-sub-culturing-in-medium-from-irradiated-meat
#16
Sachin N Hajare, Jyoti Tripathi, Satyendra Gautam
PURPOSE: Current study was aimed to enhance the confidence of consumers as well as entrepreneurs towards food irradiation program. MATERIALS AND METHODS: In this work, safety of high dose (25 kGy) irradiated meat samples (HDIMS) was ascertained by scoring mutation frequency through a long-term sub-culturing study in Escherichia coli MG1655 cells (ATCC 700926) up to 1500 generations (at 1%), 250 generations (at 5 and 10%) and human lymphoblast thymidine kinase heterozygote (TK6) cell line (ATCC CRL-8015) [at two gene loci, tk(-/+) (thymidine kinase) and hprt(+) (Hypoxanthine Phosphoribosyltransferase)] up to 156 generations using goat meat sample...
November 13, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/29130123/informal-value-chain-actors-knowledge-and-perceptions-about-zoonotic-diseases-and-biosecurity-in-kenya-and-the-importance-for-food-safety-and-public-health
#17
Simon Nyokabi, Regina Birner, Bernard Bett, Linda Isuyi, Delia Grace, Denise Güttler, Johanna Lindahl
Zoonotic diseases, transmitted from animals to humans, are a public health challenge in developing countries. Livestock value chain actors have an important role to play as the first line of defence in safeguarding public health. However, although the livelihood and economic impacts of zoonoses are widely known, adoption of biosecurity measures aimed at preventing zoonoses is low, particularly among actors in informal livestock value chains in low and middle-income countries. The main objective of this study was to investigate knowledge of zoonoses and adoption of biosecurity measures by livestock and milk value chain actors in Bura, Tana River County, in Kenya, where cattle, camels, sheep and goats are the main livestock kept...
November 13, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29128744/comparison-of-two-zoonotic-viruses-from-the-order-bunyavirales
#18
REVIEW
Leela E Noronha, William C Wilson
A comparison of two geographicallly distinct viruses in the order Bunyavirales that are zoonotic and known to cause congenital abnormalities in ruminant livestock was performed. One of these viruses, Cache Valley fever virus, is found in the Americas and is primarily associated with disease in sheep. The other, Rift Valley fever virus, is found in Sub-Saharan Africa and is associated with disease in camels, cattle, goats and sheep. Neither virus has been associated with teratogenicity in humans to date. These two viruses are briefly reviewed and potential for genetic changes especially if introduced into new ecology that could affect pathogenicity are discussed...
November 9, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/29128404/milk-from-transgenic-goat-expressing-human-lysozyme-for-recovery-and-treatment-of-gastrointestinal-pathogens
#19
Igor de Sá Carneiro, José Nilson Rodrigues de Menezes, Julyana Almeida Maia, André Marrocos Miranda, Victor Bruno Soares de Oliveira, James D Murray, Elizabeth A Maga, Marcelo Bertolini, Luciana Relly Bertolini
Lysozyme is an important non-specific immune protein in human milk, modulating the immune response against bacterial infections. The aim of this study was to characterize the milk of a transgenic goat expressing a recombinant human lysozyme (rhLZ) in the milk, also testing the in vitro antibacterial activity of the rhLZ milk against pathogens of the gastrointestinal tract. Milk samples collected from Tg and non-transgenic goats (nTg) from the 3rd to the 11th week of lactation were submitted to physicochemical analyses, rhLZ semi-quantification, and to rhLZ antimicrobial activity against Micrococcus luteus, Shiguella sonnei and Enterococcus faecalis...
November 8, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29128114/saturated-or-unsaturated-fat-supplemented-maternal-diets-influence-omental-adipose-tissue-proteome-of-suckling-goat-kids
#20
Laura Restelli, Andreia T Marques, Giovanni Savoini, Guido Invernizzi, Michela Carisetti, Cristina Lecchi, Emoke Bendixen, Fabrizio Ceciliani
The aim of the present study was to investigate how maternal diet can influence the adipose tissue of goat kids. Omental adipose tissue proteomes of goat-kids from mothers fed with diet enriched with stearic acid (ST-kids), fish oil (FO-kids) and standard diets (CTRL) were determined by quantitative iTRAQ 2D-LC-MS/MS analysis. Twenty proteins were found to be differentially expressed in suckling kids' omental adipose tissue. Stearic acid induces changes in a higher number of proteins when compared to fish oil...
November 3, 2017: Research in Veterinary Science
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