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Biomedical subjects

J Tesink

Publications and source records attributed to J Tesink.

6 recordsLinked to original sources
PubMed1994

[Lead and health].

As far as is known, lead is not required by animals. Lead poisoning is almost always caused by the oral ingestion of too much lead (alimentary contamination). Less than 44 mg lead per kilogram dry weight of feed is considered safe for cattle. Lead intoxication presents in a gastrointestinal form, an encephalic form, a haematological form, and as peripheral neuropathy. Zinc-protoporphyrin (ZPP) and zinc levels in blood should be measured to diagnose lead poisoning. The acceptable range of ZPP is 2.5 to 3.0 micrograms/g Hb(Fe) or less than 150 micrograms/l; more than 250 micrograms/l is too high. Benelux regulations from 1991 give acceptable concentrations for meat, kidneys, liver (between 0.3 and 0.1 mg Pb per kilogram), and milk (0.05 mg Pb per kilogram) destined for human consumption. The treatment for lead poisoning is described.

Air Pollution↗
PubMed1980

[Reporting on environmental effects (author's transl)].

This form of reporting was started in the USA in 1969. In the Netherlands, the government initiated a discussion on environmental effects in 1974, which resulted in nine trials that were completed in 1979. The enactment of a Reporting Environmental Effects Act will have to be taken into account in the future. A report on environmental effects is a public document announcing an intention to act and a description of the anticipated effects of this action on the environment. This document is drawn up for the purposes of the decision that will have to be reached with regard to this intention (issuing a permit by the authorities). A report on environmental effects will be required when extensive or far-reaching effects on the environment of that which is intended can be expected. This expectation may be based, among others, on the extent and character of emissions and existent activities in the area in which the company intends to establish itself. Organized farming will have to take into account the fact that experts in the field of environmental health are engaged as fully qualified technicians in drawing up the report on environmental effects.

Documentation↗
PubMed1977

[Tuberculosis among Japanese deer in a deer-park in Goes (author's transl)].

Severe infection with tubercle bacilli of the avian type was detected among Japanese deer in Goes. All animals were disposed of and post-mortem studies were done, which showed that only two specimens were culturally negative. After thorough cleaning and decontamination of fecings and cages and burning of the mown grass during the period from August 1971 to April 1972, the park was repopulated with deer free from tuberculosis. The herd was continued to be free from tuberculosis ever since. Well over one hundred children who occasionally visted the deer-park as well as the attendants of the deer were examined twice (at a four-month interval) using avian tuberculin, the results of the tests being negative.

Animals↗
PubMed1977

[Certain features of environmental pollution (author's transl)].

Substances injurious to animals may be present in the air, soil, water and plants. When these substances are taken up by animals, they may have adverse effects. Whether these effects occur will depend, among others, on the nature and amount of the substance and the period for which it is taken up. Effects may occur immediately, after some time or after a prolonged period. In view of the fact that wind force is almost invariably present and therefore that the degree of dilution of the concentrations of pollutnats on immission level is generally speaking rather low, the intake of substances trough the respiratory organs will rarely show severe clinical effects. In almost every case, injurious substances will have been ingested (contaminated food and water, unless it is tap water). Adverse effects will appear in the entire or nearly herd of cattle. The importance of an adequate anamnese and correct sampling of plants-, water- and animal-samples is stressed. Accurate cattle recording also is of paramount importance. In addition to diagnosis and cattle recording, the settlement of losses is discussed.

Air Pollution↗