Results 51 to 60 of about 56,233 (264)
Optimal Bandwidth in Semiconducting Polymer Chains
Advanced Electronic Materials, EarlyView.Polymeric semiconductors have achieved improved mobility over the years while decreasing their bandwidth, a trend that clearly cannot continue indefinitely. This paper establishes the minimum bandwidth beyond which further band narrowing has a detrimental effect.
Suryoday Prodhan, Alessandro Troisi
wiley +1 more source
Testing the Marketing Performance of German Wheat Farmers
Agribusiness, EarlyView.ABSTRACT This paper analyses the marketing performance of wheat farmers in Germany. Wheat sales data from 465 individual farms over a 12‐year period are used to test against different market benchmarks. Market benchmarks are constructed by simulating passive trading agents using regional wheat prices.
Franziska Potts, Jens‐Peter Loy
wiley +1 more source
Animals, 2020 The aim of the present study was to identify genomic region(s) associated with the length of the calving interval in primiparous (n = 6866) and multiparous (n = 5071) Holstein cows.
Hadi Atashi +6 more
doaj +1 more source
Farmers’ Protests in Germany: Media Coverage and Types of Bias
Agribusiness, EarlyView.ABSTRACT The German farmers’ protests of 2024 sparked widespread media coverage and public debate. Yet, media coverage was not always positive, reflecting the media's attention‐seeking and selective focus. Occurrences of farmers blocking media outlets reflected distrust in how their concerns were portrayed.
Felix Schlichte, Doris Läpple
wiley +1 more source
Accounting for animal health in efficiency analysis: An application to Swedish dairy farms
American Journal of Agricultural Economics, EarlyView.Abstract Poor animal health is a central concern in modern livestock production. Despite the necessity to incorporate animal health in efficiency analysis, the theoretical and empirical developments are limited on this subject. This article appropriately characterizes the axiomatic properties of animal health within a production framework.
Frederic Ang +3 more
wiley +1 more source
Milk yield and reproductive performance of crossbred holstein í— criollo limonero cows
Revista Científica, 2010 Records from ½ Criollo Limonero + ½ Holstein (F1) and backcrosses, ¾ Criollo Limonero + ¼ Holstein (R) handled in a Venezuelan humid tropical forest zone were analyzed to compare their productive and reproductive performance.
Sunny Zambrano +5 more
doaj
Respuestas, fisiológicas de vacas Holstein nacidas y recién introducidas al trópico
Revista Mexicana de Ciencias Pecuarias, 1987 Una de las formas de incrementar la producción de leche en zonas tropicales, es introducir bovinos especializados en dicha producción como son los de raza Holstein, Suizo Pardo y Jersey.
Francisco I. Juárez Lagunes +1 more
doaj
Effect of insemination-related factors on pregnancy rate using sexed semen in Holstein heifers
Czech Journal of Animal Science, 2016 The objectives were to determine the effects of insemination with sexed semen at spontaneous and induced estrus, fixed-time insemination at synchronized estrus, the deposition site, estrous intensity, housing, age, body weight, and bull on the pregnancy ...
J. Kurykin +6 more
doaj +1 more source
Revista Mexicana de Ciencias Pecuarias, 1983 Este trabajo fue reali2ado con objeto de comparar la composición mineral de pelo obtenido en diferente localización anatómica de bovinos de diferente raza y mantenidos bajo diferentes condiciones de manejo y alimentación, así como también comparar el ...
Martha Payán R. +3 more
doaj