Results 1 to 10 of about 219,049 (307)

Review: Role of early life nutrition in regulating sexual development in bulls

open access: yesAnimal, 2023
The availability of high-quality semen from genetically elite bulls is essential to support continued genetic gain and the sustainability of cattle production worldwide.
C.J. Byrne, K. Keogh, D.A. Kenny
doaj   +1 more source

Animal welfare index: an animal welfare evaluation of beef production farms in Ireland

open access: yesJournal of Applied Animal Research, 2022
The study objective was to examine the animal welfare status of Irish beef production farms using an animal welfare index (AWI). Beef production farms (n = 105) including suckler calf-to-beef (n = 30), suckler calf/weaning/finishing (n = 63), dairy calf ...
Peter Lawrence   +2 more
doaj   +1 more source

Effect of Post-Grazing Sward Height, Sire Genotype and Indoor Finishing Diet on Steer Intake, Growth and Production in Grass-Based Suckler Weanling-to-Beef Systems

open access: yesAnimals, 2021
This study evaluated the effects of post-grazing sward height (PGSH, 4 or 6 cm) on herbage production, its nutritive value, dry matter (DM) intake, grazing behaviour and growth of early- (EM) and late-maturing (LM) breed suckler steers (n = 72), and the ...
Peter R. Doyle   +4 more
doaj   +1 more source

Intake, Growth and Carcass Traits of Steers Offered Grass Silage and Concentrates Based on Contrasting Cereal Grain Types Supplemented with Field Beans, Peas or Maize By-Products

open access: yesAnimals, 2023
The study objective was to determine intake and performance of beef cattle individually offered perennial ryegrass-dominant grass silage ad libitum supplemented with 4 kg dry matter daily of, rolled barley or maize meal-based concentrate rations ...
Rian Kennedy   +4 more
doaj   +1 more source

Enhancing early life nutrition alters the hepatic transcriptome of Angus × Holstein-Friesian heifer calves

open access: yesAnimal, 2022
Early life nutrition has a major influence on subsequent lifetime performance in cattle. The aim of this experiment was to investigate the effect of plane of nutrition from 3 to 21 weeks of age on the liver transcriptome. Holstein-Friesian × Angus heifer
C.J. Byrne   +3 more
doaj   +1 more source

Genome-wide association study of economically important traits in Charolais and Limousin beef cows

open access: yesAnimal, 2021
Genomic selection has proven effective for advancing genetic gain for key profit traits in dairy cattle production systems. However, its impact to-date on genetic improvement programs for beef cattle has been less effective.
K. Keogh   +4 more
doaj   +1 more source

Copy number variations on chromosome 15 detected by molecular karyotyping in patients with developmental delay and congenital anomalies [PDF]

open access: yesMedicinski Podmladak, 2023
Introduction: Global developmental delay (GDD) and congenital anomalies represent a heterogeneous group of medical conditions that may have a known genetic etiology.
Beronja Branko   +2 more
doaj   +1 more source

Crystal structure of dimethyl 9H-carbazole-2,7-di-carb-oxy-late. [PDF]

open access: yes, 2015
In the title compound, C16H13NO4, the carbazole ring system is almost planar with non-H atoms possessing a mean deviation from planarity of 0.037 Å. The two ester groups are orientated trans to one another and tilted slightly from the mean plane of the ...
Golen, James A   +3 more
core   +13 more sources

The dynamic relationship between economic policy uncertainty and substantial economic growth in China [PDF]

open access: yesMarine Economics and Management, 2021
Purpose – Under the background of the overall increase of China's economic policy uncertainty and the urgent need for the transformation and upgrading of the substantial economy, this paper studies the time-varying causality between China's economic ...
Junchao Li, Shan Huang
doaj   +1 more source

(Biphenyl-2-yl)bromidobis(2-methyltetrahydrofuran-[kappa]O)magnesium(II) [PDF]

open access: yes, 2009
In the title Grignard reagent, [MgBr(C12H9)(C5H10O)2], the Mg centre adopts a distorted tetrahedral MgCO2Br arrangement. The dihedral angle between the two aromatic rings of the biphenyl residue is 44.00 (14)°. Each molecule incorporates one R- and one S-
Simon Nordschild   +5 more
core   +2 more sources

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