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https://www.readbyqxmd.com/read/29791812/automated-oestrus-detection-using-multimetric-behaviour-recognition-in-seasonal-calving-dairy-cattle-on-pasture
#1
J Brassel, F Rohrssen, K Failing, A Wehrend
AIM: To evaluate the performance of a novel accelerometer-based oestrus detection system (ODS) for dairy cows on pasture, in comparison with measurement of concentrations of progesterone in milk, ultrasonographic examination of ovaries and farmer observations. METHODS: Mixed-breed lactating dairy cows (n=109) in a commercial, seasonal-calving herd managed at pasture under typical farming conditions in Ireland, were fitted with oestrus detection collars 3 weeks prior to mating start date...
May 23, 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29788925/de-novo-transcriptome-assembly-of-the-eight-major-organs-of-sacha-inchi-plukenetia-volubilis-and-the-identification-of-genes-involved-in-%C3%AE-linolenic-acid-metabolism
#2
Xiao-Di Hu, Bang-Zhen Pan, Qiantang Fu, Longjian Niu, Mao-Sheng Chen, Zeng-Fu Xu
BACKGROUND: Sacha Inchi (Plukenetia volubilis L.), which belongs to the Euphorbiaceae, has been considered a new potential oil crop because of its high content of polyunsaturated fatty acids in its seed oil. The seed oil especially contains high amounts of α-linolenic acid (ALA), which is useful for the prevention of various diseases. However, little is known about the genetic information and genome sequence of Sacha Inchi, which has largely hindered functional genomics and molecular breeding studies...
May 22, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29788365/implementation-of-different-feed-withdrawal-times-and-water-temperatures-in-managing-turkeys-during-heat-stress
#3
Mohamed F A Farghly, Khalid M Mahrose, Ali E Galal, Reham M Ali, Enas A M Ahmad, Zaib Ur Rehman, Zafar Ullah, Chan Ding
This investigation studied the effects of different feed withdrawal times, water temperatures, and their interaction on growth performance, carcass traits, blood parameters, and health aspects of native turkeys (Egyptian local breed). We distributed native turkey poults (n = 180; 4 wk old) into 3 groups according to feed withdrawal time (ad libitum; feed withdrawal from 800 to 1,400 h, FW8 to 14; and feed withdrawal from 1,400 to 2,000 h, FW14 to 20). Each group was further divided into 2 subgroups corresponding to water temperature (ordinary and chilled water)...
May 19, 2018: Poultry Science
https://www.readbyqxmd.com/read/29786523/decision-support-beyond-total-savings-eligibility-and-potential-savings-for-individual-participants-from-changes-in-the-national-surveillance-strategy-for-bovine-viral-diarrhoea-bvd-in-ireland
#4
Jamie A Tratalos, Hans-Hermann Thulke, David A Graham, Maria Guelbenzu Gonzalo, Simon J More
Surveillance and management of livestock diseases is often evaluated with reference to expected sector-wide costs. In contrast, we calculate losses or savings for individual herd owners of a change in monitoring strategy during a national cattle disease eradication programme: bovine viral diarrhoea (BVD) in Ireland. The alternative strategy differs in how the disease is identified; by its sample- rather than census-based approach; and by its greater cost per test. We examined the costs faced by each breeding herd if testing were conducted using serology on a sample of young stock, in contrast to the current method of tissue-tag testing of all newborn calves...
July 1, 2018: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29785919/genomic-selection-in-dairy-cattle-simulated-populations
#5
Leonardo de Oliveira Seno, Diego Gomes Freire Guidolin, Rusbel Raul Aspilcueta-Borquis, Guilherme Batista do Nascimento, Thiago Bruno Ribeiro da Silva, Henrique Nunes de Oliveira, Danísio Prado Munari
Genomic selection is arguably the most promising tool for improving genetic gain in domestic animals to emerge in the last few decades, but is an expensive process. The aim of this study was to evaluate the economic impact related to the implementation of genomic selection in a simulated dairy cattle population. The software QMSim was used to simulate genomic and phenotypic data. The simulated genome contained 30 chromosomes with 100 cm each, 1666 SNPs markers equally spread and 266 QTLs randomly designated for each chromosome...
May 2018: Journal of Dairy Research
https://www.readbyqxmd.com/read/29784930/comparative-mrna-and-mirna-expression-in-european-mouflon-ovis-musimon-and-sheep-ovis-aries-provides-novel-insights-into-the-genetic-mechanisms-for-female-reproductive-success
#6
Ji Yang, Xin Li, Yin-Hong Cao, Kisun Pokharel, Xiao-Ju Hu, Ze-Hui Chen, Song-Song Xu, Jaana Peippo, Mervi Honkatukia, Juha Kantanen, Meng-Hua Li
Prolific breeds of domestic sheep (Ovis aries) are important genetic resources due to their reproductive performance, which is characterized by multiple lambs per birth and out-of-season breeding. However, the lack of a comprehensive understanding of the genetic mechanisms underlying the important reproductive traits, particularly from the evolutionary genomics perspective, has impeded the efficient advancement of sheep breeding. Here, for the first time, by performing RNA-sequencing we built a de novo transcriptome assembly of ovarian and endometrial tissues in European mouflon (Ovis musimon) and performed an mRNA-miRNA integrated expression profiling analysis of the wild species and a highly prolific domestic sheep breed, the Finnsheep...
May 21, 2018: Heredity
https://www.readbyqxmd.com/read/29776333/transcriptomic-analysis-of-genes-in-soybean-in-response-to-peronospora-manshurica-infection
#7
Hang Dong, Shuangfeng Shi, Chong Zhang, Sihui Zhu, Mei Li, Jie Tan, Yue Yu, Liping Lin, Shirong Jia, Xujing Wang, Yuanhua Wu, Yuhui Liu
BACKGROUND: Soybean downy mildew (SDM), caused by Peronospora manshurica (Pm), is a major fungal disease in soybean. To date, little is known regarding the defense mechanism at molecular level and how soybean plants response to Pm infection. In this study, differential gene expression in SDM-resistant (HR) and SDM-susceptible (HS) genotype was analyzed by RNA-seq to identify differentially expressed genes (DEGs) following Pm infection. RESULTS: Of a total of 55,017 genes mapped to the soybean reference genome sequences, 2581 DEGs were identified...
May 18, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29776327/utility-of-whole-genome-sequence-data-for-across-breed-genomic-prediction
#8
Biaty Raymond, Aniek C Bouwman, Chris Schrooten, Jeanine Houwing-Duistermaat, Roel F Veerkamp
BACKGROUND: Genomic prediction (GP) across breeds has so far resulted in low accuracies of the predicted genomic breeding values. Our objective was to evaluate whether using whole-genome sequence (WGS) instead of low-density markers can improve GP across breeds, especially when markers are pre-selected from a genome-wide association study (GWAS), and to test our hypothesis that many non-causal markers in WGS data have a diluting effect on accuracy of across-breed prediction. METHODS: Estimated breeding values for stature and bovine high-density (HD) genotypes were available for 595 Jersey bulls from New Zealand, 957 Holstein bulls from New Zealand and 5553 Holstein bulls from the Netherlands...
May 18, 2018: Genetics, Selection, Evolution: GSE
https://www.readbyqxmd.com/read/29775483/ldha-gene-is-associated-with-pigeon-survivability-during-racing-competitions
#9
Sherif Ramadan, Takeshi Miyake, Junichi Yamaura, Miho Inoue-Murayama
Pigeon racing is a popular sport worldwide. Pigeons are under continuous selection to improve speed, spatial orientation, and endurance during long flights. However, numerous genetic and non-genetic factors affect survivability and homing ability, making such traits difficult for breeders to control. Polymorphisms in the lactate dehydrogenase A gene (LDHA) likely affects pigeon racing and homing abilities, due to its role in physical and mental performance. Additionally, the adenylate cyclase activating polypeptide 1 gene (ADCYAP1) has been associated with physiological and behavioral shifts that occur during avian migration...
2018: PloS One
https://www.readbyqxmd.com/read/29772969/case-control-study-of-plasma-mean-platelet-component-concentration-and-survival-analysis-for-dogs-with-immune-mediated-hemolytic-anemia
#10
Andrea Zoia, Magda Gerou-Ferriani, Michele Drigo, Marco Caldin
OBJECTIVE To determine whether dogs with immune-mediated hemolytic anemia (IMHA) had a low plasma mean platelet component (MPC) concentration and whether MPC was associated with outcome. DESIGN Retrospective case-control study and survival analysis. ANIMALS 95 dogs with IMHA (cases) as well as 95 healthy dogs and 95 sick dogs without IMHA (controls) matched to cases by age, reproductive status, and breed. PROCEDURES Plasma MPC concentration at initial examination was compared among groups. For dogs with IMHA only, sex, age, serum urea and bilirubin concentrations, Hct, platelet count, and plasma fibrinogen, D-dimer, and MPC concentrations were evaluated for associations with survival to 42 days after initial examination...
June 1, 2018: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/29772886/urban-environmental-clustering-to-assess-the-spatial-dynamics-of-aedes-aegypti-breeding-sites
#11
Guillermo Albrieu-Llinás, Manuel O Espinosa, Agustín Quaglia, Marcelo Abril, Carlos Marcelo Scavuzzo
The identification of Aedes aegypti breeding hotspots in urban areas is crucial for the rational design of control strategies against this disease vector. Remote sensing and geographic information systems offer valuable tools for mapping habitat suitability of a given area. However, predicting species occurrences by means of probability distribution maps based on transversal entomological surveys has limited utility for local authorities. The aim of the present study was to carefully examine the temporal evolution of the number of houses infested with immature stages of Ae...
May 7, 2018: Geospatial Health
https://www.readbyqxmd.com/read/29770456/effect-of-elevated-co-2-on-yield-intra-plant-nutrient-dynamics-and-grain-quality-of-rice-cultivars-in-eastern-india
#12
Usha Rani Jena, Dillip Kumar Swain, K K Hazra, Mrinal K Maity
BACKGROUND: Climate models predict an increase in global temperature in response to a doubling of atmospheric [CO2 ] that may impact future rice production and quality. In this study, the effect of elevated [CO2 ] on yield, nutrient acquisition and utilization, and grain quality of rice genotypes was investigated in subtropical climate of eastern India (Kharagpur). Three environments (open field, ambient, and elevated [CO2 ]) were tested using four rice cultivars of eastern India. RESULTS: Under elevated [CO2 ] (25% higher), yield of high yielding cultivars (HYCs) viz...
May 16, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29768574/growth-yield-and-grain-nutritional-quality-in-three-brazilian-pearl-millets-pennisetum-americanum-l-with-african-or-indian-origins
#13
Leonardo O Medici, Fabíola V Gonçalves, Marcos Paulo S DA Fonseca, Salete A Gaziola, Daiana Schmidt, Ricardo A Azevedo, Carlos Pimentel
In this study, we are presenting recommendations to the best agricultural use as well as for plant breeding of three millet cultivars namely ENA1 and ENA2, which have African origin, and BRS1501 originally from India. These cultivars were evaluated for growth, yield and grain quality traits. The morphological traits evaluated in this study indicated that the African genotypes ENA1 and ENA2 are better than the Indian genotype BRS1501 for no-till farming or to produce forage with 15% of crude protein at flowering and at harvest to produce stover (around 7% of crude protein content) for livestock feeding...
May 14, 2018: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/29768448/urinary-shedding-of-pathogenic-leptospira-in-stray-dogs-and-cats-algiers-a-prospective-study
#14
Sara Zaidi, Amar Bouam, Amina Bessas, Djamila Hezil, Hicham Ghaoui, Khatima Ait-Oudhia, Michel Drancourt, Idir Bitam
BACKGROUND: Leptospirosis is an important worldwide zoonosis. This disease is caused by pathogenic species of the genus Leptospira which are maintained in the environment via chronic renal infection of carrier animals which can be asymptomatic excretors of the organisms in their urines and become a source of infection for humans and other hosts. The prevalence of animal leptospirosis in Algiers, Algeria, is unknown. METHODOLOGY/PRINCIPAL FINDINGS: Real-time PCR and standard PCR and sequencing were used to detect pathogenic Leptospira organisms in the urines of stray dogs and cats in Algiers...
2018: PloS One
https://www.readbyqxmd.com/read/29766351/comparative-whole-genome-re-sequencing-analysis-in-upland-new-rice-for-africa-insights-into-the-breeding-history-and-respective-genome-compositions
#15
Naoki Yamamoto, Richard Garcia, Tomohiro Suzuki, Celymar Angela Solis, Yuichi Tada, Ramaiah Venuprasad, Ajay Kohli
BACKGROUND: Increasing rice demand is one of the consequences of the steadily improving socio-economic status of the African countries. New Rice for Africa (NERICA), which are interspecific hybrids between Asian and African rice varieties, are one of successful breeding products utilizing biodiversity across the two different rice crop species. Upland NERICA varieties (NU) exhibit agronomic traits of value for the harsh eco-geography, including shorter duration, higher yield and stress tolerance, compared to local African varieties...
May 15, 2018: Rice
https://www.readbyqxmd.com/read/29763646/genetic-parameter-and-breeding-value-estimation-of-donkeys-problem-focused-coping-styles
#16
Francisco Javier Navas González, Jordi Jordana Vidal, José Manuel León Jurado, Ander Arando Arbulu, Amy Katherine McLean, Juan Vicente Delgado Bermejo
Donkeys are recognized therapy or leisure-riding animals. Anecdotal evidence has suggested that more reactive donkeys or those more easily engaging flight mechanisms tend to be easier to train compared to those displaying the natural donkey behaviour of fight. This context brings together the need to quantify such traits and to genetically select donkeys displaying a neutral reaction during training, because of its implication with handler/rider safety and trainability. We analysed the scores for coping style traits from 300 Andalusian donkeys from 2013 to 2015...
May 12, 2018: Behavioural Processes
https://www.readbyqxmd.com/read/29762659/independent-assessment-and-improvement-of-wheat-genome-sequence-assemblies-using-fosill-jumping-libraries
#17
Fu-Hao Lu, Neil McKenzie, George Kettleborough, Darren Heavens, Matthew D Clark, Michael W Bevan
Background: The accurate sequencing and assembly of very large, often polyploid, genomes remain a challenging task, limiting long-range sequence information and phased sequence variation for applications such as plant breeding. The 15 Gb hexaploid bread wheat genome has been particularly challenging to sequence, and several different approaches have recently generated long-range assemblies. Mapping and understanding the types of assembly errors is important for optimising future sequencing and assembly approaches and for comparative genomics...
May 11, 2018: GigaScience
https://www.readbyqxmd.com/read/29762475/growth-hormone-secretion-patterns-in-german-landrace-dl-fetuses-and-piglets-compared-to-dl-piglets-with-inherited-1-25-dihydroxyvitamin-d3-deficiency
#18
Manfred Mielenz, Michael W Pfaffl, Christina Schlumbohm, Johein Harmeyer, Nahid Parvizi
The regulation of growth hormone (GH) release during prenatal development and during early postnatal life is not entirely clarified. In this study plasma GH concentrations in pigs with inherited pseudo vitamin D deficiency type I (PDDR-I), which regularly show growth retardation, were compared during ontogeny with unaffected pigs of the same breed (German Landrace, DL) as control. Plasma GH concentrations were measured in plasma of chronically catheterized fetuses (beginning on day 101 after mating or after artificial insemination) and in piglets (day 37 postpartum (p...
May 15, 2018: Nutrients
https://www.readbyqxmd.com/read/29761545/comparison-of-the-large-muscle-group-widths-of-the-pelvic-limb-in-seven-breeds-of-dogs
#19
Seyyid Said Sabanci, Mehmet Kamil Ocal
Orthopaedic diseases are common in the pelvic limbs of dogs, and reference values for large muscle groups of the pelvic limb may aid in diagnosis such diseases. As such, the objective of this study was to compare the large muscle groups of the pelvic limb in seven breeds of dogs. A total of 126 dogs from different breeds were included, and the widths of the quadriceps, hamstring and gastrocnemius muscles were measured from images of the lateral radiographies. The width of the quadriceps was not different between the breeds, but the widths of the hamstring and gastrocnemius muscles were significantly different between the breeds...
May 14, 2018: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/29761058/exotic-lagomorph-may-influence-eagle-abundances-and-breeding-spatial-aggregations-a-field-study-and-meta-analysis-on-the-nearest-neighbor-distance
#20
Facundo Barbar, Gonzalo O Ignazi, Fernando Hiraldo, Sergio A Lambertucci
The introduction of alien species could be changing food source composition, ultimately restructuring demography and spatial distribution of native communities. In Argentine Patagonia, the exotic European hare has one of the highest numbers recorded worldwide and is now a widely consumed prey for many predators. We examine the potential relationship between abundance of this relatively new prey and the abundance and breeding spacing of one of its main consumers, the Black-chested Buzzard-Eagle ( Geranoaetus melanoleucus )...
2018: PeerJ
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