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https://www.readbyqxmd.com/read/28226299/colorimetric-and-electrophoretic-evaluation-of-lipoprotein-fractions-in-healthy-neonatal-calves-comparison-with-results-from-adult-cows-and-from-calves-with-inflammatory-conditions
#1
Alessia Giordano, Gabriele Rossi, Monica Probo, Pierangelo Moretti, Saverio Paltrinieri
High density lipoproteins (HDLs) are pivotal in innate immunity and decrease in serum during inflammation. Several studies have been done about lipoprotein changes in transition cows but little is known about their changes in newborn calves. The aim of this study is to provide information about HDLs in newborn calves, by defining the possible age-related changes in healthy calves compared with adults and by assessing the possible differences in calves with inflammation. Lipoprotein electrophoretic separation (reported as percentages) and colorimetric measurement of HDL (HDL-C) were performed on healthy cows and calves in order to identify possible differences in the lipoprotein profile due to the age...
February 13, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28225851/effect-of-bauhinia-holophylla-treatment-in-streptozotocin-induced-diabetic-rats
#2
Marcelo S Pinheiro, Luhara S Rodrigues, Leila S, Rafaianne Q Moraes-Souza, Thaigra S Soares, Madileine F Américo, Kleber E Campos, Débora C Damasceno, Gustavo T Volpato
Bauhinia holophylla, commonly known as "cow's hoof", is widely used in Brazilian folk medicine for the diabetes treatment. Therefore, the aim of this study was at evaluating the aqueous extract effect of Bauhinia holophylla leaves treatment on the streptozotocin-induced diabetic rats. Diabetes was induced by Streptozotocin (40 mg/Kg) in female Wistar rats. Oral administration of aqueous extract of Bauhinia holophylla leaves was given to non-diabetic and diabetic rats at a dose of 400 mg/kg during 21 days. On day 17 of treatment, the Oral Glucose Tolerance Test was performed to determine the area under the curve...
February 16, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28224262/characterisation-of-adopters-and-non-adopters-of-dairy-technologies-in-ethiopia-and-kenya
#3
E G Kebebe, S J Oosting, I Baltenweck, A J Duncan
While there is a general consensus that using dairy technologies, such as improved breeds of dairy cows, can substantially increase farm productivity and income, adoption of such technologies has been generally low in developing countries. The underlying reasons for non-adoption of beneficial technologies in the dairy sector are not fully understood. In this study, we characterised adopters and non-adopters of dairy technologies in Ethiopia and Kenya based on farmers' resources ownership in order to identify why many farmers in Ethiopia and Kenya have not adopted improved dairy technologies...
February 21, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28222802/counts-of-bovine-monocyte-subsets-prior-to-calving-are-predictive-for-postpartum-occurrence-of-mastitis-and-metritis
#4
Brianna Pomeroy, Anja Sipka, Jamal Hussen, Melanie Eger, Ynte Schukken, Hans-Joachim Schuberth
The heightened susceptibility to infectious diseases in postpartum dairy cows is often attributed to immune dysfunction associated with the transition period. However, the cell populations involved in this immune dysfunction and the dynamics between those populations are not well defined. Monocytes play a crucial role in governing initial immune response in bacterial infections. Bovine monocytes are subdivided in classical (CD14(+)/CD16(-)), intermediate (CD14(+)/CD16(+)) and non-classical monocytes (CD14(-)/CD16(+)) with distinct phenotypic and functional differences...
February 21, 2017: Veterinary Research
https://www.readbyqxmd.com/read/28222684/characterizing-a-region-on-bta11-affecting-%C3%AE-lactoglobulin-content-of-milk-using-high-density-genotyping-and-haplotype-grouping
#5
Nicolas Bedere, Henk Bovenhuis
BACKGROUND: Milk β-lactoglobulin (β-LG) content is of interest as it is associated with nutritional and manufacturing properties. It is known that milk β-LG content is strongly affected by genetic factors. In cattle, most of the genetic differences are associated with a chromosomal region on BTA11, which contains the β-LG gene. The aim of this study was to characterize this region using 777 k SNP data (BovineHDbeadChip) and perform a haplotype-based association study. A statistical approach was developed to build haplotypes that capture the genetic variation associated with this genomic region...
February 22, 2017: BMC Genetics
https://www.readbyqxmd.com/read/28222656/detection-of-%C3%AE-lactoglobulin-in-human-breast-milk-7-days-after-cow-milk-ingestion
#6
Ponpan Matangkasombut, Savitree Padungpak, Sasikanya Thaloengsok, Wasu Kamchaisatian, Cherapat Sasisakulporn, Wanlapa Jotikasthira, Suwat Benjaponpitak, Wiparat Manuyakorn
BACKGROUND: β-lactoglobulin (BLG), a major allergen in cow milk (CM) can be detected in human breast-milk (BM) and is associated with exacerbation of symptoms in breastfed infants with cow milk protein allergy (CMPA). Currently, it is not known how long lactating mothers who consume dairy products need to withhold breastfeeding. OBJECTIVE: To elucidate the kinetics of BLG in BM after maternal ingestion of a single dose of CM. METHODS: Nineteen lactating mothers, four of whom had infants with CMPA, were instructed to avoid CM for 7 days before ingesting a single dose of CM and to continue to withhold CM thereafter throughout the study period...
February 22, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28221944/a-novel-immunoassay-test-system-for-detection-of-modified-allergen-residues-present-in-almond-cashew-coconut-hazelnut-and-soy-based-nondairy-beverages
#7
Jongkit Masiri, Lora Benoit, Mahzad Meshgi, Jeffrey Day, Cesar Nadala, Mansour Samadpour
A growing number of plant-based milk substitutes have become commercially available, providing an array of options for consumers with dietary restrictions. Though several of these products rival cow's milk in terms of their nutritional profiles, beverages prepared with soy and tree nuts can be a significant concern to consumers because of potential contamination with food allergens. Adding to this concern is the fact that allergen residues from plant-based beverages are modified during manufacturing, thereby decreasing the sensitivity of antibody-based detection methods...
September 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221935/egg-and-milk-proteins-as-hidden-allergens-in-food-5-year-2010-to-2014-results-of-food-allergen-monitoring-in-piedmont-italy
#8
Daniela Manila Bianchi, Daniela Adriano, Sara Astegiano, Silvia Gallina, Maria Caramelli, Lucia Decastelli
Cow's milk and egg allergies are two of the most common food allergies. Manufacturers of food products containing milk or eggs or their derivatives as an ingredient are required by European Union regulations to list their presence on the ingredient label. Under European Union legislation, member states are mandated to carry out food safety monitoring programs to verify compliance with food labeling requirements. Through the Regional Integrated Plan for Food Safety, the Piedmont (Italy) regional authority carries out an annual program to determine the presence of undeclared allergens in foods...
September 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221911/molecular-subtyping-and-source-attribution-of-campylobacter-isolated-from-food-animals
#9
Gregory H Tyson, Heather P Tate, Jason Abbott, Thu-Thuy Tran, Claudine Kabera, Emily Crarey, Shenia Young, Patrick F McDERMOTT, Grisselle Sprague, Mark Campbell, Oyewole Adeyemo, Johnette Browne-Silva, Michael Myers, Sutawee Thitaram, Shaohua Zhao
Campylobacter spp. commonly cause gastrointestinal illness in humans. Poultry meats have long been considered the predominant source of these infections, but few in-depth Campylobacter source attribution studies have been completed. We analyzed more than 1,300 Campylobacter isolates recovered from a number of animal and food sources, including dairy and beef cattle, pigs, poultry, and retail poultry meat, and compared them with Campylobacter isolates recovered from human clinical samples. Each isolate was subtyped using pulsed-field gel electrophoresis (PFGE) with SmaI and queried against the Centers for Disease Control and Prevention PulseNet database to identify human isolates with indistinguishable patterns...
November 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221843/campylobacter-spp-prevalence-and-levels-in-raw-milk-a-systematic-review-and-meta-analysis
#10
T Christidis, K D M Pintar, A J Butler, A Nesbitt, M K Thomas, B Marshall, F Pollari
Campylobacteriosis is the leading bacterial gastrointestinal disease internationally, contributing significantly to the enteric illness burden. Cases have been associated with the consumption of raw milk, a behavior that has garnered attention recently. Estimates of the prevalence and levels of Campylobacter spp. in raw milk are lacking, which hinders risk assessment attempts. This article is a systematic review and meta-analysis of reported prevalence and levels of zoonotic Campylobacter spp. in the raw milk of cows, goats, and sheep in Canada, the United States, Europe, Australia, and New Zealand...
October 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28220561/genetic-trends-for-fertility-udder-health-and-protein-yield-in-swedish-red-cattle-estimated-with-different-models
#11
S Eriksson, K Johansson, H Hansen Axelsson, W F Fikse
The aim of this study was to estimate and compare genetic trends in Swedish Red cattle using a full multiple-trait (MT) model and trait-group-wise models for female fertility, udder health and protein yield. Field data for maiden heifers from 1989 and cows with a first and second lactation between 1990 and 2007 were included. (Co)variance components were estimated prior to prediction of breeding values. The estimated genetic trends were clearly favourable for protein yield and udder conformation, and in most cases neutral to favourable for clinical mastitis and calving to first insemination...
February 20, 2017: Journal of Animal Breeding and Genetics, Zeitschrift Für Tierzüchtung und Züchtungsbiologie
https://www.readbyqxmd.com/read/28219684/development-of-magnetic-nanoparticle-based-calorimetric-assay-for-the-detection-of-bovine-mastitis-in-cow-milk
#12
Raja Chinnappan, Sana Al Attas, Gerrit Koop, Tine van Werven, Wendy E Kaman, Floris J Bikker, Mohammed Zourob
Mastitis in dairy cattle is an inflammatory reaction of the udder tissue. Mastitis increases plasmin levels, leading to an increased proteolysis of milk proteins such as casein, resulting in a significant decrease in milk quality and related dairy products. Due to its key-role in mastitis, we used plasmin proteolytic activity as a biomarker for the detection of mastitis in bovine mastitic milk. Inspired by earlier studies on protease activity using mastitic milk samples, we developed a simple colorimetric assay to distinguish mastitic milk from milk derived from healthy animals...
February 17, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/28219476/genetic-parameters-and-genome-wide-associations-of-twinning-rate-in-a-local-breed-the-maremmana-cattle
#13
B Moioli, R Steri, C Marchitelli, G Catillo, L Buttazzoni
This study seeks to verify the feasibility of increasing twinning in a herd of the Italian autochtonous Maremmana breed. The data set included 1260 individuals born from 1963 to 2014, 527 males and 733 females, 402 of them calving at least once from 1983 through 2015. Breeding values for twinning were estimated by a single-trait linear animal model. However, since twinning is a dichotomous trait and the frequency of twins is far smaller than the frequency of single births, breeding values were also estimated by a single-trait animal threshold model...
February 21, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28219468/in-situ-and-in-vitro-ruminal-starch-degradation-of-grains-from-different-rye-triticale-and-barley-genotypes
#14
J Krieg, N Seifried, H Steingass, M Rodehutscord
In recent years, advances in plant breeding were achieved, which potentially led to modified nutritional values of cereal grains. The present study was conducted in order to obtain a broad overview of ruminal digestion kinetics of rye, triticale and barley grains, and to highlight differences between the grain species. In total, 20 genotypes of each grain species were investigated using in situ and in vitro methods. Samples were ground (2 mm), weighed into polyester bags, and incubated in situ 1 to 48 h in three ruminally cannulated lactating dairy cows...
February 21, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28219465/relationships-between-methane-emission-of-holstein-friesian-dairy-cows-and-fatty-acids-volatile-metabolites-and-non-volatile-metabolites-in-milk
#15
S van Gastelen, E C Antunes-Fernandes, K A Hettinga, J Dijkstra
This study investigated the relationships between methane (CH4) emission and fatty acids, volatile metabolites (V) and non-volatile metabolites (NV) in milk of dairy cows. Data from an experiment with 32 multiparous dairy cows and four diets were used. All diets had a roughage : concentrate ratio of 80 : 20 based on dry matter (DM). Roughage consisted of either 1000 g/kg DM grass silage (GS), 1000 g/kg DM maize silage (MS), or a mixture of both silages (667 g/kg DM GS and 333 g/kg DM MS; 333 g/kg DM GS and 677 g/kg DM MS)...
February 21, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28217841/impaired-reproduction-in-japanese-black-cattle-under-cold-environmental-conditions
#16
H Nabenishi, A Yamazaki
Environmental factors such as the temperature-humidity index (THI) are known to affect reproductive parameters in cattle. Therefore, here, we examined whether there was any correlation between the THI and the reproductive performance of Japanese Black cattle by analysing the first-service conception rates of 178,492 artificially inseminated cows across 9,833 herds in south-western Japan over a 3-year period. The daily mean (±SD) THI over the study period was 63.6 ± 11.3 (range: 41.4-81.5). The calving to first artificial insemination (AI) interval was significantly negatively correlated with THI in the month of AI (r = -...
February 19, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28216882/anticancer-potential-of-nutraceutical-formulations-in-mnu-induced-mammary-cancer-in-sprague-dawley-rats
#17
Gummalla Pitchaiah, Annapurna Akula, Vishala Chandi
BACKGROUND: Nutraceuticals help in combating some of the major health problems of the century including cancer, and 'nutraceutical formulations' have led to the new era of medicine and health. OBJECTIVE: To develop different nutraceutical formulations and to assess the anticancer potential of nutraceutical formulations in N-methyl-N-nitrosourea (MNU)-induced mammary cancer in Sprague Dawley rats. MATERIALS AND METHODS: Different nutraceutical formulations were prepared using fine powders of amla, apple, garlic, onion, papaya, turmeric, and wheat grass with and without cow urine distillate...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28216587/high-yield-production-of-levulinic-acid-from-pretreated-cow-dung-in-dilute-acid-aqueous-solution
#18
Jialei Su, Feng Shen, Mo Qiu, Xinhua Qi
Agricultural waste cow dung was used as feedstock for the production of a high value-added chemical levulinic acid (LA) in dilute acid aqueous solutions. A high LA yield of 338.9 g/kg was obtained from the pretreated cow dung, which was much higher than that obtained from the crude cow dung (135 g/kg), mainly attributed to the breakage of the lignin fraction in the lignocellulose structure of the cow dung by potassium hydroxide (KOH) pretreatment, and thus enhanced the accessibility of cow dung to the acid sites in the catalytic reaction...
February 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28216185/sensitization-to-bovine-serum-albumin-as-a-possible-cause-of-allergic-reactions-to-vaccines
#19
Rajiva de Silva, W M D K Dasanayake, G D Wickramasinhe, Chandima Karunatilake, Nayani Weerasinghe, Peshala Gunasekera, Gathsaurie Neelika Malavige
BACKGROUND: Immediate type hypersensitivity to vaccines containing bovine/porcine excipients, such as the measles, mumps and rubella (MMR) vaccine is probably due to sensitization to bovine/porcine gelatin. Most patients with such reactions in Sri Lanka have cow's milk (CM) or beef allergy. OBJECTIVES: We investigated whether those who had beef and CM allergy had a higher incidence of hypersensitivity reactions to vaccines and the possible trigger of such reactions...
February 16, 2017: Vaccine
https://www.readbyqxmd.com/read/28215897/effects-of-body-condition-monensin-and-essential-oils-on-ruminal-lipopolysaccharide-concentration-inflammatory-markers-and-endoplasmatic-reticulum-stress-of-transition-dairy-cows
#20
C Drong, S Bühler, J Frahm, L Hüther, U Meyer, D von Soosten, D K Gessner, K Eder, H Sauerwein, S Dänicke
Evidence exists that dairy cows experience inflammatory-like phenomena in the transition period. Rumen health and alterations in metabolic processes and gene networks in the liver as the central metabolic organ might be key factors for cows' health and productivity in early lactation. This study made use of an animal model to generate experimental groups with different manifestations of postpartal fat mobilization and ketogenesis. In total, 60 German Holstein cows were allocated 6 wk antepartum to 3 high-body condition score (BCS) groups (BCS 3...
February 16, 2017: Journal of Dairy Science
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