Results 111 to 120 of about 49,260 (203)

The Surprising Bias of PPML Estimates of Structural Gravity Models With Two‐Way Fixed Effects

open access: yesReview of International Economics, EarlyView.
ABSTRACT The previous literature has shown that the Poisson Pseudo‐Maximum Likelihood (PPML) estimator provides consistent and asymptotically unbiased estimates of the parameters of structural gravity models with two‐way fixed effects, although their standard errors need correction.
Ben Shepherd, Tom Zylkin
wiley   +1 more source

Produção e qualidade de azevém-anual submetido a adubação nitrogenada sob pastejo por cordeiros Production and quality of annual ryegrass submitted to nitrogen fertilization under grazing by lambs

open access: yesRevista Brasileira de Zootecnia, 2010
O objetivo neste trabalho foi verificar como a adubação nitrogenada pode afetar a produção e a qualidade da massa de forragem em pastagem de azevém-anual (Lolium multiflorum Lam.) sob lotação contínua de cordeiros de corte.
Luiz Giovani de Pellegrini   +5 more
doaj   +1 more source

The making of pure quartzose sand in continental interiors: Paraná River (Brazil and Argentina)

open access: yesSedimentology, EarlyView.
ABSTRACT As part of a comprehensive project on sedimentary processes in South America, this study focuses on sediment generation in the intracratonic Paraná Basin and monitors the evolution of sand composition along the Paraná River from central Brazil to the Río de la Plata estuary in Argentina.
Eduardo Garzanti   +5 more
wiley   +1 more source

Meat quality of lambs supplemented with intramuscular vitamin E

open access: yesPesquisa Veterinária Brasileira
: This study evaluated the effects of intramuscular alpha-tocopherol (vitamin E) supplementation on meat quality characteristics of Santa Inês and Dorper crossbreed lambs. All animals were feed with a high concentrated diet in feedlot.
Aline A. Morgado   +7 more
doaj   +1 more source

Aspectos clínicos, parasitológicos e produtivos de ovinos mantidos em pastagem de capim-aruana irrigado e adubado com diferentes doses de nitrogênio - doi: 10.4025/actascianimsci.v33i2.9406

open access: yesActa Scientiarum: Animal Sciences, 2011
Esse trabalho objetivou avaliar os aspectos clínicos, parasitológicos e produtivos de cordeiros mestiços mantidos em pastejo rotativo de Panicum maximum cv. Aruana adubado com quatro doses de nitrogênio (75, 275, 475 e 675 kg ha-1 ano-1).
Daniel Maia Nogueira   +5 more
doaj   +1 more source

Seroprevalence and Risk Factors for Hepatitis E Virus in a Metropolis of Northeastern Brazil: A Population‐Based Survey

open access: yesZoonoses and Public Health, EarlyView.
ABSTRACT Introduction Hepatitis E virus (HEV) is a leading cause of acute hepatitis worldwide. While traditionally linked to poor sanitation in endemic areas, evidence shows increasing circulation in developed settings. In Brazil, however, population‐based data remain limited.
Carolline A. Mariz   +8 more
wiley   +1 more source

Efeitos das restrições pré e pós-natal sobre o crescimento e desempenho de cordeiros Santa Inês do desmame ao abate

open access: yesRevista Brasileira de Zootecnia, 2006
Objetivou-se com este estudo avaliar os efeitos das restrições pré e pós-natal sobre o crescimento e desempenho de cordeiros Santa Inês do desmame ao abate.
Luciana Castro Geraseev   +4 more
doaj  

Composição tecidual da carcaça e de seus cortes e crescimento alométrico do osso, músculo e gordura da carcaça de cordeiros da raça texel

open access: yesActa Scientiarum: Animal Sciences, 2008
Foram utilizados 45 cordeiros machos não castrados (22) e fêmeas (23) da raça Texel, abatidos ao nascimento, aos 25 (P1) e aos 33 kg (P2) de peso vivo, com o objetivo de avaliar as proporções e o crescimento relativo de osso, músculo e gordura da carcaça.
Gilberto Teixeira da Rosa   +4 more
doaj   +1 more source

Electromechanical modelling and simulation of human‐induced pluripotent stem cell‐derived cardiomyocytes predict drug‐induced contractility effects

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend A study described in this paper describes a new tool for hiPSC‐CM electromechanical behaviour simulations using mathematical modelling. The model enables in silico assays making drug testing quick, comprehensive and accurate. New hiPSC‐CM models can be used as a platform to integrate in vitro and in silico findings.
Milda Folkmanaite   +9 more
wiley   +1 more source

Home - About - Disclaimer - Privacy