Results 91 to 100 of about 250,589 (337)

Boar management and semen handling factors affect the quality of boar extended semen

Porcine Health Management, 2017
Artificial insemination (AI) is the preferred method for reproduction in the majority of the intensive pig production systems Worldwide. To this end, fresh extended ready-to-use semen doses are either purchased from AI-centres or produced by boars kept ...
Alfonso Lopez Rodriguez, Ann Van Soom, Ioannis Arsenakis, Dominiek Maes   +3 more
doaj   +1 more source

A dairy herd-level study of postpartum diseases and their association with reproductive performance and culling.

Journal of Dairy Science, 2017
The objectives of this study were to quantify the herd-level prevalence of postpartum diseases in a large number of dairy farms, and to identify prevalence alarm levels of these diseases based on association with a low prevalence of success at first ...
J. Dubuc, J. Denis-Robichaud
semanticscholar   +1 more source

A New Class of Diarylethene Compounds that Exhibit Turn‐On Emission: From Aggregation‐Induced Emission to Anti‐Kasha Emission

Advanced Optical Materials, EarlyView.
A new class of diarylethene compounds containing backbone phosphine oxide groups are reported, exhibiting turn‐on aggregation‐induced emission. Side chain functionalization enabled emission color tunability and turn‐on anti‐Kasha emission. Abstract Diarylethenes (DAE) are a well‐known class of photochromic compounds with diverse applications ranging ...
Zhen Xu, Josianne Owona, Qian T. Liu, Sarrah Putwa, Lanting Jiang, Ka‐Ming Tong, Duane Hean, Brian O. Patrick, Keng C. Chou, Claire Tonnelé, Frédéric Castet, David Casanova, Michael O. Wolf   +12 more
wiley   +1 more source

Impact of a virtual antenatal intervention for improved diet and iron intake in Kapilvastu district, Nepal - the VALID randomized controlled trial

Frontiers in Nutrition
IntroductionCounseling, together with iron and folic acid supplements, can improve hemoglobin levels in pregnant women, but few interventions have tested a virtual method of delivering counseling.
Naomi M. Saville, Sanju Bhattarai, Santosh Giri, Suprich Sapkota, Joanna Morrison, Bibhu Thapaliya, Basudev Bhattarai, Samata Yadav, Abriti Arjyal, Andrew Copas, Hassan Haghparast-Bidgoli, Helen Harris-Fry, Reecha Piya, Sushil C. Baral, Sara L. Hillman   +14 more
doaj   +1 more source

Prevalence of elevated milk β-hydroxybutyrate concentrations in Holstein cows measured by Fourier-transform infrared analysis in Dairy Herd Improvement milk samples and association with milk yield and components.

Journal of Dairy Science, 2016
The purpose was to describe the prevalence and effect of elevated milk β-hydroxybutyrate (BHB) as detected by routine Fourier-transform infrared analysis in Dairy Herd Improvement milk samples. Data collected over 4 yr included cow information as well as
D. Santschi, R. Lacroix, J. Durocher, M. Duplessis, R. K. Moore, D. Lefebvre   +5 more
semanticscholar   +1 more source

Torsors, herds and flocks

Journal of Algebra, 2011
This paper presents non-commutative and structural notions of torsor. The two are related by the machinery of Tannaka-Krein duality.
Thomas Booker, Ross Street
openaire   +3 more sources

Impact of the Substitution Pattern in N–heterocyclic Olefin‐Substituted Phosphines on Palladium Catalysis

Advanced Synthesis &Catalysis, EarlyView.
The impact of olefin backbone substitution in N‐heterocyclic olefin‐substituted phosphines is investigated. While these ligands are highly electron‐donating, their catalytic activity in Pd‐catalyzed CN cross‐coupling reactions decreases as the size of the backbone substituent increases.
Nicolas Kaiser, Aya Alhaddad, Julian Löffler, Viktoria H. Gessner   +3 more
wiley   +1 more source

"Herd immunity": a rough guide.

Clinical Infectious Diseases, 2011
The term "herd immunity" is widely used but carries a variety of meanings. Some authors use it to describe the proportion immune among individuals in a population.
P. Fine, K. Eames, D. Heymann
semanticscholar   +1 more source

Water‐Mediated 1,7‐Palladium Aryl‐to‐Aryl Migration in an Unusual Aryne Trimerization Enables the Synthesis of Multihelicenes with Profoundly Hindered Stereogenic Axes

Advanced Synthesis &Catalysis, EarlyView.
In the presence of a Pd0 catalyst, large π‐extended arynes trimerize in an unusual manner to forge extremely compact and strained chiral benzenoids. This new trimerization reaction involves a 1,7‐Pd isomerization, a rare and poorly understood process that is elucidated.
Albert Artigas, Manuel A. Ortuño, Jesús Castro‐Esteban, Michel Giorgi, Diego Peña, Dolores Pérez, Yoann Coquerel   +6 more
wiley   +1 more source

Network systems and cloud applications in livestock farming

Landtechnik, 2014
Der Einsatz von Automatisierungstechnik und von Sensoren zur Tierüberwachung wächst und damit auch die Datenmenge aus der Tierhaltung. Die Herausforderungen an die Datenanalyse und einfache Informationsdarstellung steigen.
Daniel Herd
doaj   +1 more source