Results 51 to 60 of about 12,117 (172)

Plasma Pharmacokinetic Profile of Fipronil 1% Pour‐On in Cattle: Photodegradation and the Sustained Systemic Persistence of Fipronil Sulfone

open access: yesJournal of Veterinary Pharmacology and Therapeutics, Volume 49, Issue 5, Page 515-524, September 2026.
ABSTRACT This study characterized the long‐term pharmacokinetic profile of a 1% fipronil pour‐on formulation in Nellore bulls under field conditions. Seventeen animals received a single topical dose (1 mg/kg), and plasma concentrations of fipronil and its metabolites (sulfone and desulfinyl) were monitored for 175 days using LC–MS/MS.
Stefani Maria Ferreira   +8 more
wiley   +1 more source

Analysis of IL-6 marker in synovial fluid of the knee joint in patients with osteoarthritis and rheumatoid arthritis before and after platelet-rich plasma administration [PDF]

open access: yesJournal of Research in Applied and Basic Medical Sciences
Background & Aims: Platelet-rich plasma (PRP) has emerged as a treatment for osteoarthritis (OA) and rheumatoid arthritis (RA). The aim of the current study is to assess the effect of PRP injection and its influence on interleukin-6 (IL-6) in the ...
Masthan Basha Shaik   +3 more
doaj  

Factores que afectan el intervalo entre partos en un rebaño cebuino en condiciones de sabanas bien drenadas

open access: yesRevista Científica, 2010
El presente trabajo se efectúo con datos de la Estación Experimental (EE) “La Iguana”, estado Guarico, Venezuela, con la finalidad de evaluar los factores que afectan el intervalo entre partos (IEP) de un rebaño cebuino doble propósito.
Alexis Carrión   +4 more
doaj  

Methodological Determinants of Grayscale Pixel Intensity in Ram Testicular Ultrasonography: Effects of ROI Placement and Imaging Plane Across Age Groups and Two Reproductive Periods

open access: yesReproduction in Domestic Animals, Volume 61, Issue 8, August 2026.
ABSTRACT Testicular ultrasonography is increasingly used in ram breeding soundness evaluations, yet methodological standardization of quantitative grayscale image analysis remains limited. The primary objective of this study was to determine the effects of region‐of‐interest (ROI) placement and imaging plane on testicular parenchymal numerical pixel ...
Bülent Bülbül   +3 more
wiley   +1 more source

Dieta com alto teor de gordura e desempenho de tourinhos de grupos genéticos diferentes em confinamento High-fat diet and feedlot performance of bullocks of different genetic groups

open access: yesPesquisa Agropecuária Brasileira, 2009
O objetivo deste trabalho foi avaliar o desempenho em confinamento de tourinhos de quatro grupos genéticos distintos tratados com dietas com diferentes teores de gordura.
Andréa Roberto Duarte Lopes Souza   +4 more
doaj   +1 more source

Evaluation of combining ability in white corn for special use as corn grits [PDF]

open access: yesCrop Breeding and Applied Biotechnology, 2015
To assess the genetic potential of white corn for corn grits, 28 hybrids resulting from diallel crosses of eight parents, including parents and S1 generations, were evaluated.
Lucas Souto Bignotto   +5 more
doaj   +1 more source

Estacionalidade na atividade sexual de machos bovinos Nelore e mestiços Fleckvieh X Nelore e Chianina X Nelore: características espermáticas.

open access: yes, 1991
Dez touros, seis da raca Nelore, quatro meio-sangue Fleckvieh X Nelore e Chinina X Nelore, foram submetidos a colheitas quinzenais do semen, por meio de eletro ejaculacao, com o objetivo de avaliar atividade sexual dos grupos geneticos nas epocas da ...
PORTO, J. C. A.   +3 more
core   +1 more source

Desempenho produtivo de vacas de corte cruzadas e zebuínas e seus bezerros

open access: yesMedicina Veterinária, 2020
O objetivo do estudo foi avaliar o desempenho produtivo, produção de leite e os parâmetros da curva de lactação de vacas de corte e bezerros de três diferentes grupos genéticos no período pós-parto. Foram usadas 15 vacas paridas divididas em três grupos
Emizael Menezes Almeida   +7 more
doaj  

Comparative Investigation of GnRH‐Immunocastration and a Phytogenic Feed Additive on Reproductive Parameters, Testicular Echogenicity and Behavioural Activity in Young Holstein Bulls

open access: yesReproduction in Domestic Animals, Volume 61, Issue 8, August 2026.
ABSTRACT Managing aggressive behaviour in bulls often involves a trade‐off between handling ease and the anabolic benefits associated with endogenous testosterone production. This study compared the effects of GnRH‐immunocastration and a phytogenic feed additive on reproductive parameters, testicular echotexture and behavioural activity in young ...
Nurdan Coşkun   +5 more
wiley   +1 more source

Potencial de fecundação diária de Touros Nelore na monta a campo selecionados por avaliações andrológicas e comportamento sexual

open access: yesPubvet, 2019
Foi avaliado o desempenho de touros Nelore em cobertura a campo por 4 dias com alta pressão de cios sincronizados, quanto a sua classificação andrológica por pontos(CAP) e teste de libido e testados em 4 tratamentos: T1 = CAP > 75 pontos e alta libido ...
Daniel Fábio Salvador   +2 more
doaj   +1 more source

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