Consulta: creatorFacets:"Andrade,André Furugen Cesar de"
Registros recuperados: 4
Data/hora: 10/06/2024 12:59:00

Nutraceuticals in reproduction of bulls and stallions
Provedor de dados: 96
Autores: Arruda,Rubens Paes de; Silva,Daniela Franco da; Alonso,Maria Augusta; Andrade,André Furugen Cesar de; Nascimento,Juliana; Gallego,Andres Mejia; Martins,Simone Maria Massami Kitamura; Granato,Thaís Marques.
The industry has made available in the market a series of substances (nutraceuticals) which intent would be to optimize the use of nutrients in some metabolic paths, influencing positively reproductive performance in animals. However, the response to the use of nutraceuticals varies according to the animal. As the organism is highly complex and in order to achieve a perfect activity of the hypothalamic-pituitary-gonadal axis, an ideal interaction in molecular basis is needed, where the nutraceuticals can have their direct action. The aim of this study was to review the function and research results using the main nutraceuticals (β carotene, vitamin A, L-carnitine, omegas 3, 6 and 9 and Gamma-oryzanol) on reproductive characteristics of bulls and stallions.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Β-carotene bull gamma-oryzanol L-carnitine nutraceutics omegas 3; 6; 9 stallion.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010001300043

Organic selenium supplementation is cost-effective for increasing the number of seminal doses produced by sexually mature boars
Provedor de dados: 96
Autores: Martins,Simone Maria Massami Kitamura; Afonso,Esther Ramalho; Parazzi,Larissa José; Andrade,André Furugen Cesar de; Leal,Diego Feitosa; Gameiro,Augusto Hauber; Moretti,Aníbal de Sant'Anna; Arruda,Rubens Paes de.
ABSTRACT The present experiment was carried out to evaluate the economic viability of supplementing boar diets with organic selenium aiming to increase the number of seminal doses of sexually mature boars. Twelve boars were divided into three groups: control group received 0.3 mg kg−1 Se from sodium selenite (n = 4), inorganic group received 0.5 mg kg−1 Se from sodium selenite (n = 4), and organic group received 0.5 mg kg−1 Se from Sel-PlexTM (Alltech, Inc., n = 4). The experiment was conducted within 10 weeks and analysis was performed fortnightly. No interaction was observed between treatments and weeks for any of the variables analyzed. Boars fed diet supplemented with 0.5 mg kg−1 of organic selenium exhibited a 23% increase in the seminal doses, which...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cost production; Organic mineral; Swine.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982018000100503

Associação da medroxiprogesterona ao protocolo Ovsynch para inseminação artificial em tempo fixo de búfalas cíclicas (Bubalus bubalis) criadas na Amazônia Oriental
Provedor de dados: 36
Autores: Garcia,Alexandre Rossetto; Nahúm,Benjamim de Souza; Lourenço Junior,José de Brito; Costa,Norton Amador da; Gonçalves,Kelly da Silva; Miyasaki,Michel Yoshio Almeida; Andrade,André Furugen Cesar de; Arruda,Rubens Paes de.
O presente estudo visou avaliar os efeitos da associação da medroxiprogesterona (análogo sintético da progesterona) ao protocolo Ovsynch sobre o crescimento folicular, a ovulação e a taxa de concepção de búfalas criadas na Amazônia Oriental (Tracuateua-PA). Vinte e sete fêmeas adultas (G1 n=14 e G2 n=13), cíclicas, sem bezerro ao pé e com ECC 3,5 foram submetidas a Ovsynch. Os animais do G2 receberam 60 mg de medroxiprogesterona entre D0 e D7 (D0=início do tratamento). A ultra-sonografia ovariana foi realizada nos D 0, 7, 9 e 10. O contingente de folículos pequenos diferiu no D7 (G1: 4,57±0,60 versus G2: 6,54±0,67; P=0,05). Tempo e tratamento influenciaram o diâmetro folicular no D7. O crescimento do folículo dominante entre D7 e D9 foi maior nos animais...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bubalino; Progesterona; Sincronização do estro; Inseminação artificial; Amazônia.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672008000300001

Damage assessment of the equine sperm membranes by fluorimetric technique
Provedor de dados: 52
Autores: Celeghini,Eneiva Carla Carvalho; Andrade,André Furugen Cesar de; Raphael,Cláudia Fernandes; Nascimento,Juliana; Ticianelli,Janahi Souza; Arruda,Rubens Paes de.
To validate a practical technique of simultaneous evaluation of the plasma, acrosomal and mitochondrial membranes in equine spermatozoa three fluorescent probes (PI, FITC-PSA and MITO) were associated. Four ejaculates from three stallions (n=12) were diluted in TALP medium and split into 2 aliquots, 1 aliquot was flash frozen in liquid nitrogen to induce damage in cellular membranes. Three treatments were prepared with the following fixed ratios of fresh semen: flash frozen semen: 100:0 (T100), 50:50 (T50), and 0:100 (T0). A 150-µL aliquot of diluted semen of each treatment was added of 2 µL of PI, 2 µL of MITO and 80 µL of FITC-PSA; incubated at 38.5ºC/8 min, and sperm cells were evaluated by epifluorescent microscopy. Based in regression analysis, this...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Stallion; Acrosome; Plasma membrane; Mitochondria; Fluorescent probes.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000600004