Results 51 to 60 of about 8,387 (254)

Optimal Bandwidth in Semiconducting Polymer Chains

open access: yesAdvanced 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

Kandungan Bahan Kering Tanpa Lemak (BKTL) Susu Sapi Perah Friesian Holstein Akibat Pemberian Pakan yang Mengandung Tepung Katu (Sauropus androgynus (L.) Merr) yang Berbeda

open access: yesJournal of Tropical Pharmacy and Chemistry, 2012
The purpose of this research was to determine the effect of increasing the provision shrub on milk solid non fat content of Friesian Holstein dairy cattle.
Roosena Yusuf
doaj   +1 more source

ANALYSIS OF MILK AND REPRODUCTIVE PERFORMANCE OF THE ACTIVE POPULATION OF COWS IN POLAND ANALIZA UZYTKOWOSCI MLECZNEJ I ROZPLODOWEJ KRW KRAJOWEJ POPULACJI AKTYWNEJ [PDF]

open access: yesJournal of Central European Agriculture, 2013
Changes in the genotypic structure of cows, yield of milk, fat and protein, fat and protein content of milk, relationships between milk components, i.e. the protein to fat ratio (PFR) and the difference between fat and protein content (DFP) were examined
Wojciech NEJA   +3 more
doaj   +1 more source

Microvascularisation of the scrotal integument of Holstein-Friesian bulls

open access: yesFolia Morphologica, 2013
Based on standard histological methods and specific injection technique, the study demonstrates for the first time the blood vessel system of the scrotal integument.The latter is relatively thin and shows a thick underlying fascia, the tunica dartos. The vessel networks found in both structures are somewhat different from eachother, i.e., the former ...
Godynicki, S   +4 more
openaire   +3 more sources

Testing the Marketing Performance of German Wheat Farmers

open access: yesAgribusiness, 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

Effects of Semen Sexing Agent (Heifer-PlusTM) in Dairy Cow Reproduction

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
This study was conducted to investigate the use cryopreserved bovine sperm treated with Heifer-PlusTM Prefreeze kit and its effect on pregnancy rates calf sex ratio embryonic death, abortion, stillbirth and twinning rates in Holstein Friesian cows A ...
Constantin Găvan, Mihaela Riza
doaj  

Colour of subcutaneous adipose tissue and colour and tenderness of the longissimus thoracis et lumborum muscle from Holstein–Friesian, Norwegian RedxHolstein–Friesian and JerseyxHolstein-Friesian cattle slaughtered at two live weights as bulls or steers

open access: yesAgricultural and Food Science, 2014
Meat quality traits for Holstein–Friesian (HF), Norwegian Red × Holstein–Friesian (NR) and Jersey × Holstein–Friesian (JE) cattle reared to slaughter as two genders (bulls and steers) and 2 slaughter weights (570 kg and 640 kg) were compared.
Andrew McNamee   +5 more
doaj   +1 more source

Farmers’ Protests in Germany: Media Coverage and Types of Bias

open access: yesAgribusiness, 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

BACTERIOLOGICAL STUDIES ON PATHOGENS CAUSING SUB-CLINICAL MASTITIS IN HOLSTEIN-FRIESIAN DAIRY COWS IN ASSIUT GOVERNORATE [PDF]

open access: yesAssiut Veterinary Medical Journal, 2009
Bacteriological studies on pathogens causing sub-clinical mastitis in Holstein-Friesian dairy cows in Assiut ...
S.M. SAYED, M.M. ABD EL-HAFEEZ
doaj   +1 more source

Accounting for animal health in efficiency analysis: An application to Swedish dairy farms

open access: yesAmerican 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

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