Now showing items 1-10 of 30
Influência da mastite subclínica estafilocócica sobre as características físico-químicas e celulares do leite
(Pesquisa Veterinária Brasileira, 1996-01-01) [Artigo]
One hundred twenty-six milk samples from 63 apparently healthy cows, but positive in the California Mastitis Test were submitted to determinations of pH, acidity, density, butter-fat, total solids, non-fat solids, cryoscopic ...
Isolation of Campylobacter jejuni from viscera and bile secretion of broiler chickens with diarrhea
(Revista de Microbiologia, 1997-04-01) [Artigo]
Since chickens are important reservoirs of Campylobacter jejuni and their meat is the most frequent route of transmission for human campylobacteriosis, the purpouse of the present study was to investigate the presence of ...
ENTEROTOXIN PRODUCTION IN STRAINS OF CAMPYLOBACTER-JEJUNI, ISOLATED FROM SWINE DIARRHEA
(Revista de Microbiologia, 1993-04-01) [Artigo]
One hundred and twenty-six strains of Campylobacter jejuni isolated from swine with diarrhea were examined for the production of enteroxin, by culture filtrate inoculation into ileal loops in several animal species.Four ...
Pesquisa de anticorpos contra Brucella ovis em ovinos do Estado de São Paulo
(Pesquisa Veterinária Brasileira, 1996-04-01) [Artigo]
Eight hundred and fifty sheep sera from 18 herds, located in 15 municipalities of the State of São Paulo, were examined by complement fixation test, indirect enzyme immunoassay and gel diffusion test for antibodies to ...
RELATIONSHIP BETWEEN PLASMA 17-BETA ESTRADIOL ON THE DAY OF ESTRUS AND NUMBER OF VIABLE EMBRYOS IN BOS-INDICUS (NELLORE) COWS SUPEROVULATED WITH FSH
(Brazilian Journal of Medical and Biological Research, 1994-07-01) [Artigo]
Thirteen cows, Bos indicus, of the Nellore breed were superovulated with 22 mg of follicle stimulating hormone (FSH) administered by intramuscular route during four consecutive days (D10, D11, D12 and D13), starting on the ...
Comprimento da peça intermediária de espermatozóides bovinos e suas relações com características do sêmen e fertilidade
(Pesquisa Agropecuária Brasileira, 1998-10-01) [Artigo]
With the objective of identifying predictors of fertility in bulls, the correlation coefficients of the midpiece length of bovine spermatozoa with semen traits and fertility were estimated. Data were obtained from semen ...
Zygote reconstructions among Bos indicus and Bos taurus cattle and consequences on mitochondrial inheritance
(Theriogenology, 1999-01-01) [Resumo]
THE EFFECT OF SERUM ON IN-VITRO MATURATION, IN-VITRO FERTILIZATION AND STEROIDOGENESIS OF BOVINE OOCYTES COCULTURED WITH GRANULOSA-CELLS
(Brazilian Journal of Medical and Biological Research, 1995-02-01) [Artigo]
The influence of fetal calf serum alone (FCS) or associated with proestrous (FCS+PCS), estrous (FCS+ECS) or metaestrous (FCS+MCS) cow serum added to the culture medium and of the steroids produced by co-cultured granulosa ...
Plasma concentrations of progesterone, 17 beta-estradiol and androstenedione and superovulatory response of nelore cows (Bos indicus) treated with FSH
(Theriogenology, 1996-03-01) [Artigo]
Progesterone (P-4), 17 beta- estradiol (E2) and androstenedione (A4) plasma concentrations were correlated with palpated corpora lutea (CL), recovered embryos and viable embryos in 13 Nelore cows induced to superovulate ...
EPIZOOTIC BOTULISM OF CATTLE IN BRAZIL
(Deutsche Tierarztliche Wochenschrift, 1992-05-01) [Artigo]
The first diagnosis of botulism in cattle in Brazil and it's epizootiology are reviewed. The high prevalence of the disease raised on phosphorus deficient pastures in Savanna regions has caused severe economic losses in ...