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https://www.readbyqxmd.com/read/28342612/can-by-products-replace-conventional-ingredients-in-concentrate-of-dairy-goat-diet
#1
M Romero-Huelva, M A Ramírez-Fenosa, R Planelles-González, P García-Casado, E Molina-Alcaide
Intensive dairy goat production in the Mediterranean basin is based on imported conventional ingredients to be included in concentrates. Fourteen Murciano-Granadina goats in the middle of the third lactation were allocated into 2 groups of 7 animals each fed, respectively, a control diet based on alfalfa hay and concentrate in a 40:60 ratio, and a diet in which the concentrate included tomato fruits, citrus pulp, brewer's grain and brewer's yeast (T100CBY) to study the effect of diet on nutrient utilization, ruminal fermentation, purine derivatives excretion in urine, milk yield and composition, and methane emissions...
March 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28336692/sharing-expertise-on-all-aspects-of-small-ruminant-dairying
#2
(no author information available yet)
Delegates from across the UK, Europe and the USA gathered in Bristol last month to hear world leaders in the field of small ruminant dairy medicine and production discuss matters such as milk quality, disease control and feeding at the second annual Dairy Sheep and Goat Conference. Anthony Wilkinson, one of the conference organisers, gives a flavour of proceedings.
March 25, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28321408/novel-sequential-screening-and-enhanced-production-of-fibrinolytic-enzyme-by-bacillus-sp-ind12-using-response-surface-methodology-in-solid-state-fermentation
#3
Ponnuswamy Vijayaraghavan, P Rajendran, Samuel Gnana Prakash Vincent, Arumugaperumal Arun, Naif Abdullah Al-Dhabi, Mariadhas Valan Arasu, Oh Young Kwon, Young Ock Kim
Fibrinolytic enzymes have wide applications in clinical and waste treatment. Bacterial isolates were screened for fibrinolytic enzyme producing ability by skimmed milk agar plate using bromocresol green dye, fibrin plate method, zymography analysis, and goat blood clot lysis. After these sequential screenings, Bacillus sp. IND12 was selected for fibrinolytic enzyme production. Bacillus sp. IND12 effectively used cow dung for its growth and enzyme production (687 ± 6.5 U/g substrate). Further, the optimum bioprocess parameters were found out for maximum fibrinolytic enzyme production using cow dung as a low cost substrate under solid-state fermentation...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28318592/caprine-and-ovine-greek-dairy-products-the-official-german-method-generates-false-positive-results-due-to-%C3%AE%C2%BA-casein-gene-polymorphism
#4
V Tsartsianidou, D Triantafillidou, N Karaiskou, P Tarantili, G Triantafillidis, E Georgakis, A Triantafyllidis
Caseins are widely used for species identification of dairy products. Isoelectric focusing (IEF) of para-κ-casein peptide is used as the official German method for the differentiation between caprine (isoform A) and ovine (isoform B) dairy products, based on their different isoelectric points. The discrimination between Greek goat and ewe dairy products using IEF has, however, been shown to be problematic because of the existence of the ewe isoform in milk from Greek indigenous dairy goats. This could be due to nucleotide polymorphisms within the goat κ-casein gene of Greek indigenous breeds, which alter the isoelectric point of the para-κ-casein peptide and lead to false positive results...
March 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28317598/corrigendum-to-proteomics-method-to-quantify-the-percentage-of-cow-goat-and-sheep-milks-in-raw-materials-for-dairy-products-j-dairy-sci-99-9483-9492
#5
Q Chen, X Ke, J S Zhang, S Y Lai, F Fang, W M Mo, Y P Ren
No abstract text is available yet for this article.
April 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28306690/combined-megaloblastic-and-sideroblastic-anemia-in-an-infant-fed-with-goat-s-milk
#6
Ananya Datta-Mitra, Elham Vali-Betts, Ralph Green, Hooman Rashidi, Jong Hee Chung, Denis M Dwyre
No abstract text is available yet for this article.
March 16, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28306241/development-of-chemical-isotope-labeling-lc-ms-for-milk-metabolomics-comprehensive-and-quantitative-profiling-of-the-amine-phenol-submetabolome
#7
Dorothea Mung, Liang Li
Milk is a complex sample containing a variety of proteins, lipids, and metabolites. Studying the milk metabolome represents an important application of metabolomics in the general area of nutritional research. However, comprehensive and quantitative analysis of milk metabolites is a challenging task due to the wide range of variations in chemical/physical properties and concentrations of these metabolites. We report an analytical workflow for in-depth profiling of the milk metabolome based on chemical isotope labeling (CIL) and liquid chromatography mass spectrometry (LC-MS) with a focus of using dansylation labeling to target the amine/phenol submetabolome...
March 28, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28295702/effect-of-steroid-hormones-on-the-innate-immune-response-induced-by-staphylococcus-aureus-in-the-goat-mammary-gland
#8
K Kuwahara, Y Yoshimura, N Isobe
The objective of this study was to compare the dynamics of innate immune components after intramammary infusion of Staphylococcus aureus (SA) under conditions of high oestrogen and high progesterone in goats. In one group ("E-group"), controlled internal drug release (CIDR) devices were inserted intravaginally from days -11 to -4. Prostaglandin F2α was administered immediately after removal of the CIDR device at day -3, and then oestradiol benzoate (E) was injected intramuscularly once a day from days -2 to 3...
March 12, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28294933/differences-in-sheep-and-goats-milk-microbiological-profile-between-conventional-and-organic-farming-systems-in-greece
#9
Eleni Malissiova, Theofilos Papadopoulos, Aikaterini Kyriazi, Maria Mparda, Christina Sakorafa, Antonios Katsioulis, Anna Katsiaflaka, Maria Kyritsi, Antonios Zdragas, Christos Hadjichristodoulou
The aim of this study was to examine differences in the microbiological profile and antimicrobial resistance of bacteria isolated from milk from organic and conventional sheep and goat farms. Twenty-five organic and 25 conventional sheep and goat farms in the region of Thessaly, Greece participated in this study. A standardised detailed questionnaire was used to describe farming practices. A total of 50 samples were collected and analysed for total viable count (TVC), total coliform count (TCC) and somatic cell count (SCC), while Staphylococcus aureus and Escherichia coli were isolated using standard methods...
March 15, 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/28288562/genetic-diversity-and-signatures-of-selection-in-various-goat-breeds-revealed-by-genome-wide-snp-markers
#10
Luiz F Brito, James W Kijas, Ricardo V Ventura, Mehdi Sargolzaei, Laercio R Porto-Neto, Angela Cánovas, Zeny Feng, Mohsen Jafarikia, Flávio S Schenkel
BACKGROUND: The detection of signatures of selection has the potential to elucidate the identities of genes and mutations associated with phenotypic traits important for livestock species. It is also very relevant to investigate the levels of genetic diversity of a population, as genetic diversity represents the raw material essential for breeding and has practical implications for implementation of genomic selection. A total of 1151 animals from nine goat populations selected for different breeding goals and genotyped with the Illumina Goat 50K single nucleotide polymorphisms (SNP) Beadchip were included in this investigation...
March 14, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28284697/mir-27a-controls-triacylglycerol-synthesis-in-bovine-mammary-epithelial-cells-by-targeting-peroxisome-proliferator-activated-receptor-gamma
#11
K Q Tang, Y N Wang, L S Zan, W C Yang
Growing evidence has revealed that microRNA are central elements in milk fat synthesis in mammary epithelial cells. A negative regulator of adipocyte fat synthesis, miR-27a has been reported to be involved in the regulation of milk fat synthesis in goat mammary epithelial cells; however, the regulatory role of miR-27a in bovine milk fat synthesis remains unclear. In the present study, primary bovine mammary epithelial cells (BMEC) were harvested from mid-lactation cows and cultured in Dulbecco's modified Eagle's medium/F-12 medium with 10% fetal bovine serum, 5 μg/mL of insulin, 1 μg/mL of hydrocortisone, 2 μg/mL of prolactin, 1 μg/mL of progesterone, 100 U/mL of penicillin, and 100 μg/mL of streptomycin...
March 8, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28282407/potential-disease-agents-in-domestic-goats-and-relevance-to-bighorn-sheep-ovis-canadensis-management
#12
Mark L Drew, Glen C Weiser
Domestic goats are raised for meat, milk and hair production, in herds for rangeland weed control, and as pack animals. Domestic sheep, goats and wild bighorn sheep are all susceptible to a multifactorial pneumonia. We sampled 43 herd goats from 7 herds and 48 pack goats from 11 herds for viral and bacterial serology, parasitology, and Pasteurellaceae microbiology. The goats in this study were in generally good health, although most goats did harbor various pathogens and parasites including several bacteria, specifically Pasteurellaceae, which have been associated with pneumonia in free-ranging bighorn sheep...
2017: PloS One
https://www.readbyqxmd.com/read/28281775/epidemiology-and-effect-of-gastrointestinal-nematodes-on-dairy-goats-in-argentina
#13
Victor H Suarez, Gabriela M Martínez, Alberto E Viñabal, José R Alfaro
The aim of this work was to study the epidemiology and harmful effects of gastrointestinal nematodes (GINs) on dairy goats maintained in an intensive system. Two groups of goats were studied: untreated group (UG) (subdivided into UGjun goats that kidded in June, and UGjul goats that kidded in July) and treated group (TG) (with no subgroups, treated with monepantel: 3.75 mg/kg, orally, monthly). Eggs per gram (epg) in faeces were counted, faecal culture was performed to differentiate nematode genera and milk production was measured...
February 28, 2017: Onderstepoort Journal of Veterinary Research
https://www.readbyqxmd.com/read/28272921/prevalence-and-risk-factors-of-coxiella-burnetii-antibodies-in-bulk-milk-from-cattle-sheep-and-goats-in-jordan
#14
Mohammad M Obaidat, Gilbert J Kersh
This large-scale cross-sectional study was conducted to determine the prevalence, geographical distribution, and risk factors for the presence of antibodies against Coxiella burnetii in bulk tank milk derived from dairy cattle, sheep, and goats in Jordan. Bulk milk samples were collected from 78 dairy cattle, 48 sheep, and 23 goat farms from various places in Jordan according to the density of these animal species in each region of the country. The samples were tested for C. burnetii antibodies using the CHEKIT Q-Fever Antibody ELISA kit...
March 8, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28272303/effects-of-silver-nanoparticles-on-multiple-drug-resistant-strains-of-staphylococcus-aureus-and-pseudomonas-aeruginosa-from-mastitis-infected-goats-an-alternative-approach-for-antimicrobial-therapy
#15
Yu-Guo Yuan, Qiu-Ling Peng, Sangiliyandi Gurunathan
Recently, silver nanoparticles (AgNPs) have been widely used in various applications as antimicrobial agents, anticancer, diagnostics, biomarkers, cell labels, and drug delivery systems for the treatment of various diseases. Microorganisms generally acquire resistance to antibiotics through the course of antibacterial therapy. Multi-drug resistance (MDR) has become a growing problem in the treatment of infectious diseases, and the widespread use of broad-spectrum antibiotics has resulted in the development of antibiotic resistance by numerous human and animal bacterial pathogens...
March 6, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28266172/n-glycosylation-proteomic-characterization-and-cross-species-comparison-of-milk-whey-proteins-from-dairy-animals
#16
Yongxin Yang, Nan Zheng, Xiaowei Zhao, Yangdong Zhang, Rongwei Han, Shengguo Zhao, Jinhui Yang, Songli Li, Tongjun Guo, Changjiang Zang, Jiaqi Wang
Glycosylated proteins in milk have been implicated in multiple biological roles. However, the N-glycoprotein components and their complexity in milk whey from dairy animals are not well characterized. Here, a modified proteomics approach consisting of N-glycopeptide enrichment and identification was used to map the N-glycoproteome profile of milk whey from Holstein and Jersey cows, buffaloes, yaks, goats, camels, and horses. A total of 233 N-glycosylation sites, corresponding to 147 N-glycoproteins, were detected in the studied animals...
March 7, 2017: Proteomics
https://www.readbyqxmd.com/read/28255622/the-valdostana-goat-a-genome-wide-investigation-of-the-distinctiveness-of-its-selective-sweep-regions
#17
Talenti Andrea, Francesca Bertolini, Giulio Pagnacco, Fabio Pilla, Paolo Ajmone-Marsan, Max F Rothschild, Paola Crepaldi
The Valdostana goat is an alpine breed, raised only in the northern Italian region of the Aosta Valley. This breed's main purpose is to produce milk and meat, but is peculiar for its involvement in the "Batailles de Chèvres," a recent tradition of non-cruel fight tournaments. At both the genetic and genomic levels, only a very limited number of studies have been performed with this breed and there are no studies about the genomic signatures left by selection. In this work, 24 unrelated Valdostana animals were screened for runs of homozygosity to identify highly homozygous regions...
March 2, 2017: Mammalian Genome: Official Journal of the International Mammalian Genome Society
https://www.readbyqxmd.com/read/28240229/proteomic-analysis-and-cross-species-comparison-of-casein-fractions-from-the-milk-of-dairy-animals
#18
Xiaxia Wang, Xiaowei Zhao, Dongwei Huang, Xiaocheng Pan, Yunxia Qi, Yongxin Yang, Huiling Zhao, Guanglong Cheng
Casein micelles contribute to the physicochemical properties of milk and may also influence its functionality. At present, however, there is an incomplete understanding of the casein micelle associated proteins and its diversity among the milk obtained from different species. Therefore, milk samples were collected from seven dairy animals groups, casein fractions were prepared by ultracentrifugation and their constituent proteins were identified by liquid chromatography tandem mass spectrometry. A total of 193 distinct proteins were identified among all the casein micelle preparations...
February 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28237598/characterization-of-major-and-trace-minerals-fatty-acid-composition-and-cholesterol-content-of-protected-designation-of-origin-cheeses
#19
C L Manuelian, S Currò, M Penasa, M Cassandro, M De Marchi
Cheese provides essential nutrients for human nutrition and health, such as minerals and fatty acids (FA). Its composition varies according to milk origin (e.g., species and breed), rearing conditions (e.g., feeding and management), and cheese-making technology (e.g., coagulation process, addition of salt, ripening period). In recent years, cheese production has increased worldwide. Italy is one of the main producers and exporters of cheese. This study aimed to describe mineral, FA, and cholesterol content of 133 samples from 18 commercial cheeses from 4 dairy species (buffalo, cow, goat, and sheep) and from 3 classes of moisture content (hard, <35% moisture; semi-hard, 35-45%; and soft, >45%)...
February 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28236643/selection-of-indigenous-lactobacillus-paracasei-cd4-and-lactobacillus-gastricus-btm-7-as-probiotic-assessment-of-traits-combined-with-principal-component-analysis
#20
Kavita Sharma, Rishi Mahajan, Sampan Attri, Gunjan Goel
AIMS: The population of Himalayan region is known to consume variety of fermented and non fermented foods and as a result they have been benefited in terms of overall health, because of the associated beneficial microbes. Therefore, the focus of the present study was to identify new strains of Lactic Acid Bacteria (LAB) from dairy products such as milk (cow, goat, buffalo) and fermented products (curd and buttermilk) with properties suitable for use as probiotic cultures. METHODS AND RESULTS: A total of 75 isolates tentatively identified as LAB from 100 samples were initially screened for production of β-hemolysin as indicators of virulence which resulted in 38 isolates with no haemolytic activity...
February 25, 2017: Journal of Applied Microbiology
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