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https://www.readbyqxmd.com/read/28101335/novel-snps-in-il-17f-and-il-17a-genes-associated-with-somatic-cell-count-in-chinese-holstein-and-inner-mongolia-sanhe-cattle
#1
Tahir Usman, Yachun Wang, Chao Liu, Yanghua He, Xiao Wang, Yichun Dong, Hongjun Wu, Airong Liu, Ying Yu
BACKGROUND: Bovine mastitis is the most common and costly disease of lactating cattle worldwide. Apart from milk somatic cell count (SCC) and somatic cell score (SCS), serum cytokines such as interleukin-17 (IL-17) and interleukin-4 (IL-4) may also be potential indicators for bovine mastitis. The present study was designed to investigate the effects of single nucleotide polymorphisms (SNPs) in bovine IL-17F and IL-17A genes on SCC, SCS and serum cytokines in Chinese Holstein and Inner-Mongolia Sanhe cattle, and to compare the mRNA expression variations of the cows with different genotypes...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28100852/allergenicity-of-milk-of-different-animal-species-in-relation-to-human-milk
#2
Robert Pastuszka, Joanna Barłowska, Zygmunt Litwińczuk
Protein content in cow milk (with over 20 proteins, and peptides may also occur as a result of enzymatic hydrolysis) ranges from 2.5% to 4.2% and is about 1.5-2 times higher than in human milk. Its most important allergens are considered to be β-lactoglobulin (absent in human milk) and αs1-casein. The most similar in composition to human milk is horse and donkey milk. It contains considerably more whey proteins (35-50%) than cow milk (about 20%), and the concentration of the most allergenic casein fraction αs1 is 1...
December 31, 2016: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28100121/effects-of-bovine-pregnancy-on-the-fatty-acid-composition-of-milk-significance-for-humans-needs
#3
R Barreiro, P Regal, M Díaz-Bao, B I Vázquez, A Cepeda
Milk from forty Holstein dairy cows (twenty pregnant and twenty non-pregnant) was collected from two different farms in Galicia (Spain). The differences in the fatty acid composition of two groups of cows (pregnant and non-pregnant) was studied to determine whether pregnancy status is a determinant factor that can alter the fatty acid profile of milk. Gas-chromatography (GC) coupled to flame ionization detection (FID) was used for determination of the fatty acids. Difference in the milk fatty acids between pregnant and non-pregnant cows were pronounced showing statistically significant differences for some fatty acids and the total saturated and monounsaturated fatty acids...
January 19, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28099660/socioeconomic-hygienic-and-sanitation-factors-in-reducing-diarrhea-in-the-amazon
#4
Katiuscia Shirota Imada, Thiago Santos de Araújo, Pascoal Torres Muniz, Valter Lúcio de Pádua
OBJECTIVE: To analyze the contributions of the socioeconomic, hygienic, and sanitation improvements in reducing the prevalence of diarrhea in a city of the Amazon. METHODS: In this population-based cross-sectional study, we analyzed data from surveys conducted in the city of Jordão, Acre. In 2005 and 2012, these surveys evaluated, respectively, 466 and 826 children under five years old. Questionnaires were applied on the socioeconomic conditions, construction of houses, food and hygienic habits, and environmental sanitation...
December 22, 2016: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28099424/the-establishment-of-cow-s-milk-protein-allergy-in-infants-is-related-with-a-deficit-of-regulatory-t-cells-treg-and-vitamin-d
#5
Laura Perezabad García, Jacobo López-Abente Muñoz, Elena Alonso-Lebrero, Elena Seoane Reula, Marjorie Pion, Rafael Correa-Rocha
BACKGROUND: Cow's milk protein allergy (CMPA) is the most common food allergy in infants. However, little is known about which specific immune mechanisms are related with the CMPA onset. The objective was to investigate which immune alterations constitute differential factors between allergy and tolerance, and hence could be implicated in the CMPA establishment in infants. METHODS: An extensive analysis of immune subsets, including Treg and cytokine-secreting cells was performed in blood samples from 28 infants younger than 9 months obtained 1-4 days after the first adverse reaction to milk...
January 18, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28099128/bone-health-assessment-of-food-allergic-children-on-restrictive-diets-a-practical-guide
#6
Artemis E Doulgeraki, Emmanouel M Manousakis, Nikolaos G Papadopoulos
BACKGROUND: Food allergy in childhood is on the rise globally and is managed with avoidance diets; recent case reports of food allergic children with nutritional rickets in the literature highlight the importance of close monitoring of bone health in this population. METHODS: There is no consensus as yet with regard to bone health evaluation in food allergic children; therefore, extensive literature search was performed and the existing evidence is presented, along with a relevant algorithm...
January 18, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28098248/microbial-succession-in-the-gastrointestinal-tract-of-dairy-cows-from-2-weeks-to-first-lactation
#7
Kimberly A Dill-McFarland, Jacob D Breaker, Garret Suen
Development of the dairy calf gastrointestinal tract (GIT) and its associated microbiota are essential for survival and milk production, as this community is responsible for converting plant-based feeds into accessible nutrients. However, little is known regarding the establishment of microbes in the calf GIT. Here, we measured fecal-associated bacterial, archaeal, and fungal communities of dairy cows from 2 weeks to the middle of first lactation (>2 years) as well as rumen-associated communities from weaning (8 weeks) to first lactation...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28096610/investigation-of-body-and-udder-skin-surface-temperature-differentials-as-an-early-indicator-of-mastitis-in-holstein-friesian-crossbred-cows-using-digital-infrared-thermography-technique
#8
M Sathiyabarathi, S Jeyakumar, A Manimaran, Heartwin A Pushpadass, M Sivaram, K P Ramesha, D N Das, Mukund A Kataktalware, G Jayaprakash, Tapas Kumar Patbandha
AIM: The objective of this study was to investigate the ability of infrared thermography (IRT) technique and its interrelationship with conventional mastitis indicators for the early detection of mastitis in Holstein Friesian (HF) crossbred cows. MATERIALS AND METHODS: A total of 76 quarters of lactating HF crossbred (Bos indicus × Bos taurus) cows (n=19) were monitored for body temperature (i.e., eye temperature) and udder skin surface temperature (USST) before milking using forward-looking infrared (FLIR) i5 camera...
December 2016: Veterinary World
https://www.readbyqxmd.com/read/28096222/first-infant-formula-type-and-risk-of-islet-autoimmunity-in-the-environmental-determinants-of-diabetes-in-the-young-teddy-study
#9
Sandra Hummel, Andreas Beyerlein, Roy Tamura, Ulla Uusitalo, Carin Andrén Aronsson, Jimin Yang, Anne Riikonen, Åke Lernmark, Marian J Rewers, William A Hagopian, Jin-Xiong She, Olli G Simell, Jorma Toppari, Anette-G Ziegler, Beena Akolkar, Jeffrey P Krischer, Suvi M Virtanen, Jill M Norris
OBJECTIVE: Studies on the introduction of infant formulas and its effect on the risk of islet autoimmunity and type 1 diabetes (T1D) have yielded inconsistent results. We investigated whether the introduction of formula based on hydrolyzed cow's milk as the first formula is associated with reduced islet autoimmunity risk in a large prospective cohort. RESEARCH DESIGN AND METHODS: The Environmental Determinants of Diabetes in the Young (TEDDY) study prospectively monitors 8,676 children at increased genetic risk for T1D...
January 17, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28096131/nutrition-micrornas-and-human-health
#10
REVIEW
Juan Cui, Beiyan Zhou, Sharon A Ross, Janos Zempleni
MicroRNAs (miRs) hybridize with complementary sequences in mRNA and silence genes by destabilizing mRNA or preventing translation of mRNA. Over 60% of human protein-coding genes are regulated by miRs, and 1881 high-confidence miRs are encoded in the human genome. Evidence suggests that miRs not only are synthesized endogenously, but also might be obtained from dietary sources, and that food compounds alter the expression of endogenous miR genes. The main food matrices for studies of biological activity of dietary miRs include plant foods and cow milk...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28093583/interaction-of-organic-ions-with-proteins
#11
Leonor Pérez-Fuentes, Carlos Drummond, Jordi Faraudo, Delfi Bastos-González
In this study we have investigated how different proteins interact with big organic ions. Two ions that are similar in size and chemical structure (Ph4B(-) anion and Ph4As(+) cation) were studied. The proteins chosen are the two major allergenic proteins of cow's milk, β-lactoglobulin and β-casein, and bovine serum albumin, BSA, as the reference protein. First, a quantitative study to determine the hydrophobic degree of the proteins was performed. Then, electrokinetic and stability measurements on protein-coated polystyrene (PS) microspheres as a function of the tetraphenyl ion concentration were carried out...
January 17, 2017: Soft Matter
https://www.readbyqxmd.com/read/28092624/changes-in-reticulorumen-content-temperature-and-ph-according-to-time-of-day-and-yearly-seasons
#12
R Antanaitis, V Žilaitis, V Juozaitienė, R Stoškus, M Televičius
The monitoring of rumen content temperature can be useful for the evaluation of cow health condition and heat. The aim of this research was to evaluate the influence of the circadian rhythm (time of day) and season on reticulorumen acidity (pH) and temperatures (RT) in lactating dairy cows. The research was performed on ten 2nd - lactation, clinically healthy Lithuanian Black and White fresh dairy cows (up to 1 day after calving). The cows were milked twice daily at 05:00 and 17:00. The cows were kept in a loose housing system, and were fed a feed ration throughout the year at the same time, balanced according to their physiological needs...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092619/concentration-of-lactoferrin-and-immunoglobulin-g-in-cows-milk-in-relation-to-health-status-of-the-udder-lactation-and-season
#13
K Musayeva, A Sederevičius, R Želvytė, I Monkevičienė, D Beliavska-Aleksiejūnė, S Kerzienė
The aim of this study was to analyze an effect of udder health status, somatic cell count (SCC), stage and number of lactations, and different seasons on the concentration of lactoferrin (LF) and immunoglobulin G (IgG) in quarter milk samples (n=120) from crossbreed (Lithuanian Black-and-White & Holstein) dairy cows. Quarter health status was based on SCC and microbiological analysis. The highest mean value of LF and IgG were observed in quarters with subclinical mastitis 0.1 ± 0.02 mg/ml and 0.41 ± 0.06 mg/ml, respectively...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092613/effects-of-udder-infections-with-staphylococcus-xylosus-and-staphylococcus-warneri-on-the-composition-and-physicochemical-changes-in-cows-milk
#14
M Vasil, E Pecka-Kiełb, J Elečko, A Zachwieja, W Zawadzki, F Zigo, J Illek, Z Farkašová
The aim of this study was an evaluation of the effects of two species of coagulase negative staphylococci (CNS), Staphylococcus xylosus and Staphylococcus warneri, on the changes in technological parameters of cows' milk. The study was conducted in a herd of Slovak Pied cattle breed (with share of HF blood). Based on the performance results from three subsequent months, cows in the 2nd and 3rd lactation with SCC up to 200 thousand/ml (8 heads, 32 quarters), and above 800 thousand/ml (8 heads, 32 quarters), after the 4th month of lactation, were selected...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092602/the-investigation-of-correlation-among-selected-biochemical-parameters-and-vital-signs-in-dairy-herd-to-design-the-bio-cybernetic-dairy-cow-model
#15
J Twardoń, W Zalewski, T Nowicki, B Dębski, G Dejneka, J Mrowiec, K Zalewski
The paper presents investigations of the relationship between the biochemical parameters and vital signs in dairy cows. We analyzed the welfare and functioning of a dairy herd using biochemical parameters and vital signs. Life and biochemical parameters were examined. In the model indicators useful for monitoring the herd are: the age of the cows, the number of cows' lactating, daily amount of received milk, length of lactation period for cows in the herd, the length of inter-calving period for cows, the number of days to effective insemination, the amount of protein in the feed, the level of β-oxidation in leucocytes, glucose transport through red blood cells and plasma insulin...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28089290/assessing-circumstances-and-causes-of-dairy-cow-death-in-italian-dairy-farms-through-a-veterinary-practice-survey-2013-2014
#16
Francesca Fusi, Alessandra Angelucci, Valentina Lorenzi, Luca Bolzoni, Luigi Bertocchi
A questionnaire survey about on farm dairy cow mortality was carried out among veterinary practitioners in Italy between January 2013 and May 2014. The study aimed at investigating the main circumstances of death in dairy cows (euthanasia, emergency slaughter or unassisted death), the primary causes and the risk factors of death. Out of 251 dead cows involved (across 137 farms), 54.6% died assisted and 45.4% were found dead. The main causes of death were metabolic/digestive disorders (22.3%) and mastitis/udder problems (17...
January 6, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28088423/effects-of-rumen-protected-capsicum-oleoresin-on-productivity-and-responses-to-a-glucose-tolerance-test-in-lactating-dairy-cows
#17
J Oh, M Harper, F Giallongo, D M Bravo, E H Wall, A N Hristov
The objective of this experiment was to investigate the effects of rumen-protected Capsicum oleoresin (RPC) supplementation on feed intake, milk yield and composition, nutrient utilization, fecal microbial ecology, and responses to a glucose tolerance test in lactating dairy cows. Nine multiparous Holstein cows were used in a replicated 3 × 3 Latin square design balanced for residual effects with three 28-d periods. Each period consisted of 14 d for adaptation and 14 d for data collection and sampling. Treatments were 0 (control), 100, and 200 mg RPC/cow per day...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28088422/effects-of-clay-after-an-aflatoxin-challenge-on-aflatoxin-clearance-milk-production-and-metabolism-of-holstein-cows
#18
S A Sulzberger, S Melnichenko, F C Cardoso
Oral supplementation of clay to dairy cattle has been reported to reduce toxicity of aflatoxin (AF) in contaminated feed. The objective of this study was to determine the effects of 3 concentrations of dietary clay supplementation in response to an AF challenge. Ten multiparous rumen-cannulated Holstein cows [body weight (mean ± SD) = 669 ± 20 kg and 146 ± 69 d in milk], were assigned to 1 of 5 treatments in a randomized replicated 5 × 5 Latin square design balanced to measure carryover effects. Periods (21 d) were divided in an adaptation phase (d 1 to 14) and a measurement phase (d 15 to 21)...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28088415/qualitative-and-quantitative-adulteration-identification-of-milk-powder-using-the-dna-with-novel-extraction-method
#19
J Liao, Y F Liu, T Ku, M H Liu, Y Huang
The extraction of high-quality DNA from processed dairy products can often represent the crucial step in an authentication process by PCR-based methods. In this study, we optimized a novel DNA extraction method for milk powder and used the extracted DNA for identification of milk powder based on PCR analysis. The DNA quality was assessed by amplifying target sequences from mitochondrial genes, as well as by monitoring the yield, purity, and integrity of the extracted DNA. In addition, a laboratory adulteration model of milk powder was detected by PCR-based methods (PCR and real-time PCR) using primers targeting the mitochondrial 12S rRNA gene...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28088413/short-communication-associations-between-feed-push-up-frequency-feeding-and-lying-behavior-and-milk-yield-and-composition-of-dairy-cows
#20
E K Miller-Cushon, T J DeVries
Feeding management factors have great potential to influence activity patterns and feeding behavior of dairy cows, which may have implications for performance. The objectives of this study were to assess the effects of feed push-up frequency on the behavioral patterns of dairy cows, and to determine associations between behavior and milk yield and composition. Lactating Holstein dairy cows (n = 28, parity = 1.9 ± 1.1; mean ± SD) were housed in tiestalls, milked twice per day, and offered ad libitum access to water and a total mixed ration (containing, on a dry matter basis: 25% corn silage, 25% grass/alfalfa haylage, 30% high-moisture corn, and 20% protein/mineral supplement), provided twice per day...
January 11, 2017: Journal of Dairy Science
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