Results 51 to 60 of about 109,838 (252)

Policy Evaluation for Climate Mitigations in the European Agricultural Sector—A Comparison of Policy Options at Micro and Macro Level

open access: yesAustralian Journal of Agricultural and Resource Economics, EarlyView.
ABSTRACT The purpose of this paper is to discuss the micro‐ and macro‐outcomes for the standard neoclassical carbon tax (whose burden falls on the producers) versus the implication of a budget neutral, performance‐based EU Common Agricultural Policy (CAP) focusing on non‐CO2 emission (N2O and CH4, measured in CO2eq) reduction, especially in the ...
John Helming   +4 more
wiley   +1 more source

Local host response following an intramammary challenge with Staphylococcus fleurettii and different strains of Staphylococcus chromogenes in dairy heifers [PDF]

open access: yes, 2016
Coagulase-negative staphylococci (CNS) are a common cause of subclinical mastitis in dairy cattle. The CNS inhabit various ecological habitats, ranging between the environment and the host.
A Harada   +47 more
core   +5 more sources

GANHO DE PESO PRÉ E PÓS-DESMAME NO DESEMPENHO REPRODUTIVO DE NOVILHAS DE CORTE AOS QUATORZE MESES DE IDADE

open access: yesCiência Animal Brasileira, 2012
The objective of this experiment was to study the development and reproductive performance of sixty-six Charolais crossbred beef heifers bred at fourteen months of age, classified in four groups according to pre and postweaning average daily weight gain (
Ricardo Zambarda Vaz   +5 more
doaj  

Bioestimulação e comportamento reprodutivo de novilhas de corte Biostimulation and reproductive performance of beef heifers

open access: yesRevista Brasileira de Zootecnia, 2004
O objetivo do presente trabalho foi determinar se a bioestimulação é capaz de alterar favoravelmente o comportamento reprodutivo de novilhas de corte em sua primeira estação reprodutiva.
Sergio Augusto Ferreira de Quadros   +1 more
doaj   +1 more source

Effects of Transportation Stress on Complete Blood Count, Blood Chemistry, and Cytokine Gene Expression in Heifers

open access: yesVeterinary Sciences, 2021
Blood samples were obtained from 16 high-risk heifers; eight were newly arrived from a 40 h road trip (0 days post-arrival (DPA)), whereas the other eight heifers had been in the feedlot at 25 DPA. Both groups were transported from the southeast tropical
Benito Avila-Jaime   +7 more
doaj   +1 more source

Docility and heifer pregnancy estimates in Angus heifers

open access: yesKansas Agricultural Experiment Station Research Reports, 2014
Introduction Reproductive success is economically relevant in beef cattle operations because the number of calves born influences the value of calves sold at weaning. Improvements in reproductive performance can be up to four times more important than improvements in end-product traits in an operation selling calves at weaning.
Kari L. White   +3 more
openaire   +2 more sources

Surveying the Farmer Survey: A Synthesis of Research Practices in the Netherlands, Slovenia and Sweden

open access: yesJournal of Agricultural Economics, EarlyView.
ABSTRACT Research based on farmer surveys is a cornerstone of agricultural economics. Farmer surveys provide unique insights into behavioural variables—such as values, motivations, attitudes, behaviours, and preferences—that are unavailable in secondary datasets.
Thomas Slijper   +24 more
wiley   +1 more source

Integration of production and financial models to analyse the financial impact of livestock diseases: a case study of Schmallenberg virus disease on British and French dairy farms [PDF]

open access: yes, 2015
AIMS AND OBJECTIVES: The aim of the study was to investigate and compare the financial impact of Schmallenberg disease for different dairy production types in the United Kingdom and France.
Alarcon, P   +4 more
core   +2 more sources

The influence of bovine neutrophils on in vitro phagocytosis and killing of Staphylococcus aureus in heifers supplemented with selenium and vitamin E [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2007
An experiment was performed to determine the influence of bovine nutrophils on in vitro phagocytosis and killing of Staphylococcus aureus after selenium (Se, selenium yeast) and vitamin E (vit E) wassupplemented in heifers.
Chalong Wachirapakorn   +5 more
doaj  

Efeito de diferentes níveis de ingestão de energia sobre a produção e viabilidade de embriões em novilhas e vacas Effect of different levels of energy intake on production and viability of embryos in heifers and cows

open access: yesRevista Brasileira de Zootecnia, 2003
O objetivo do trabalho foi estudar o efeito do nível de ingestão de matéria seca (IMS/% do PV) sobre ganho de peso, produção e viabilidade de embriões em novilhas mestiças e vacas Nelore.
Luiz Paulo Rigolon   +4 more
doaj   +1 more source

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