evaluation of calf milk pasteurization systems on 6 pennsylvania dairy farms.waste milk has been fed to calves for many years, but concerns with bacterial contamination as well as possible transmission of diseases have discouraged widespread use of this feed. pasteurization of waste milk is one option to reduce management risk while utilizing a valuable, low-cost, liquid feed source for calves. however, many farms currently pasteurizing waste milk lack a system to adequately monitor the efficiency of the process. a study was carried out to evaluate 6 on-farm pasteurizati ...201020965367
a survey of bacteriological quality and the occurrence of salmonella in raw bovine recent years, bovine colostrum has gained popularity as a human food because it is an excellent source of bioactive proteins, which have been claimed to inhibit viral and bacterial pathogens, improve gastrointestinal health, and enhance body condition. a study was conducted to determine bacteriological quality and occurrence of salmonella in colostrum collected from dairy herds (n = 55) in pennsylvania. colostrum samples were analyzed for standard plate count, preliminary incubation count, la ...200818991543
untreated asymptomatic group b streptococcal bacteriuria early in pregnancy and chorioamnionitis at delivery.the objective of the study was to determine the frequency of adverse pregnancy outcomes in women with untreated asymptomatic group b beta-hemolytic streptococcal (gbs) bacteriuria during pregnancy.200717547879
meningitis. update of recommendations for the neonate.our series of children with meningitis shows an increase in the frequency of isolation of hemophilus influenzae type b. this increase is most marked among children between one and two months of age. since h. influenzae was found in five of the seven children between thirty and sixty days of age, we recommend the use of chloramphenicol for the initial treatment of bacterial meningitis after the first month of life. additionally, our mortality data suggest that early diagnosis and intensive suppor ...19806989544
maternal peripartum complications associated with vaginal group b streptococci colonization.the study was done to determine the risk of clinically diagnosed intra-amniotic infection (iai) and postpartum endometritis (ppe) associated with vaginal group b streptococci (gbs) colonization. pregnant women were enrolled in a cross-sectional, observational study from 1992 to 1996 in houston (n=908), seattle (n=2676), and pittsburgh (n=4338). swab samples were obtained from the lower vagina of participants at admission for delivery and inoculated into selective broth and onto blood agar media. ...199910228062
rapid detection of group b streptococcus and escherichia coli in amniotic fluid using real-time fluorescent establish reliability and validity of real-time fluorescent pcr for early detection of bacterial invasion of the amniotic cavity.200415763909
guidelines for monitoring bulk tank milk somatic cell and bacterial counts.this study was conducted to establish guidelines for monitoring bulk tank milk somatic cell count and bacterial counts, and to understand the relationship between different bacterial groups that occur in bulk tank milk. one hundred twenty-six dairy farms in 14 counties of pennsylvania participated, each providing one bulk tank milk sample every 15 d for 2 mo. the 4 bulk tank milk samples from each farm were examined for bulk tank somatic cell count and bacterial counts including standard plate c ...200415377636
comparison of two prevention strategies for neonatal group b streptococcal disease.neonatal group b streptococcal disease is a serious infection, causing more than 2,000 cases of sepsis annually. the centers for disease control and prevention has recommended two alternative strategies to prevent infection, but few data directly compare the two in terms of intrapartum antibiotic administration, protocol feasibility, newborn laboratory evaluation, and costs.200212150459
bovine mastitis pathogens in new york and pennsylvania: prevalence and effects on somatic cell count and milk production.milk samples were collected from 108,312 dairy cows during 1601 farm visits made between january 1991 and june 1995. the herd visits were made by personnel from the central laboratory of the quality milk promotion services at cornell university (ithaca, ny) to farms located in central new york and northern pennsylvania. dairy herd improvement association records were available for 32,978 cows in 327 herds. intramammary infections, as defined by positive milk cultures, were present in 48.5% of al ...19979361234
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