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At least 865 records · Page 48Linked to original sources
PubMed1986

Effect of wet weather on lameness in dairy cattle.

The incidence of lameness in cows recorded by five veterinary practices over one year and one practice over four years was plotted with rainfall and potential soil moisture deficit. Correlation coefficients calculated between lameness, rainfall and potential soil moisture deficit over two-week periods showed the incidence of lameness in summer to be significantly related to the potential soil moisture deficit in the same two-week period and rainfall in the previous two-week period. Differences in patterns of lameness incidence among practices and years were also partly explained by differences in rainfall and potential soil moisture deficit; however, these effects were small compared with those of other factors that affect lameness incidence such as herd size, age and stage of lactation.

Animals↗
PubMed2006

Association of weather conditions with childhood admissions for wheezy bronchitis or asthma in Athens.

BACKGROUND: The association between asthma morbidity and meteorological conditions is well documented, but it is not clear to what extent more specific meteorological variables are implicated. OBJECTIVES: This study was aiming to investigate whether there is any association between specific meteorological conditions and the seasonal variation and the rate of asthma admissions among children in Athens. METHODS: Data were obtained retrospectively from hospital registries of the three main Children's Hospitals in Athens during a 23-year period (1978-2000). The meteorological database consisted of mean monthly values of eight meteorological variables. The whole period studied was divided into three time periods: 1978-1987, 1988-1993 and 1994-2000. RESULTS: A clear seasonal trend with a permanent pattern was detected. There were more monthly asthma admissions in winter-spring and autumn for younger children, as well as a lower peak in winter and autumn and a major one in May for older children, without significant differences in between the three time periods. The results of a multiple regression analysis revealed that relative humidity and atmospheric pressure were predictors of up to 56.7% (1988-1993) and 59.2% (1994-2000) monthly asthma admissions among younger children. No relation of the time trend in asthma admissions during the periods studied for any age group with any of the meteorological variables was detected. CONCLUSIONS: Our results indicate a constant seasonal variability in asthma admissions among children in Athens, whereas relative humidity and atmospheric pressure are the more implicated meteorological variables for younger asthmatic children.

Adolescent↗
PubMed1976

Twilight zeitgebers, weather, and activity of nocturnal primates.

Bush babies (Galago senegalensis), slow lorises (Nycticebus coucang), and an owl monkey (Aotus trivirgatus) in outdoor enclosures usually began activity in certain illuminance ranges of dusk and accommodated to seasonal changes in sunset time. Influences of cloud cover were variable, but marked heat and cold were inhibitory. Accurate endogenous timekeeping and a reliance on the most stable zeitgeber apparently maintain activities in synchrony with the rhythmically changing environment.

Animals↗
PubMed1986

Suicide weather?

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Adolescent↗