Zobrazeno 1 - 10
of 94
pro vyhledávání: '"M J, Tielen"'
Autor:
P J, van der Wolf, F W, van Schie, A R, Elbers, B, Engel, H M, van der Heijden, W A, Hunneman, M J, Tielen
Publikováno v:
The veterinary quarterly. 23(3)
The aim of the study was to test whether acidified drinking water, with two millilitres of an acid mixture per litre, was able to reduce the number of Salmonella infections in finishing pig herds. In each compartment, half of the pens were supplied w
Publikováno v:
Tijdschrift voor diergeneeskunde. 125(22)
Mites can be important sources of airborne allergens, especially on farms. Two dust samples from pig farms and three dust samples from poultry farms were investigated for mites. House-dust mites were present in the poultry-dust samples, but not in th
Publikováno v:
Tijdschrift voor diergeneeskunde. 125(21)
Two studies were carried out with pigs to determine the relationship between back test results and production parameters and between back test results and other factors. In the first study, 823 piglets were tested with the back test at 10 and 17 days
Publikováno v:
American journal of veterinary research. 58(1)
To evaluate the effect of natural udder infection with minor pathogens on subsequent natural infection with major pathogens.7 dairy herds with low bulk milk somatic cell count.During a 20-month prospective study, milk samples were collected from diar
Autor:
A R, Elbers, P J, Blaauw, M, de Vries, P J, van Gulick, O L, Smithuis, R P, Gerrits, M J, Tielen
Publikováno v:
The veterinary quarterly. 18(4)
The prevalence of allergy, lung function disorders, and bronchial hyperreactivity was studied in 102 Dutch veterinarians, subdivided into five professional groups (predominantly working with either swine, cattle, poultry, companion animals, or as a n
Autor:
A R, Elbers, M, de Vries, P J, van Gulick, R P, Gerrits, O L, Smithuis, P J, Blaauw, M J, Tielen
Publikováno v:
The veterinary quarterly. 18(4)
Dust and endotoxin exposure was measured in the Spring and Autumn in 96 veterinary practitioners, subdivided in four professional groups ((predominantly working with either swine, cattle, poultry, or companion animals). Furthermore, peak expiratory f
Publikováno v:
American journal of industrial medicine. 30(2)
Swine confinement farming is associated with an increased risk of respiratory morbidity. Adverse health effects have been shown in association with levels of dust, endotoxins, and ammonia. This study was conducted to evaluate characteristics of confi
Publikováno v:
American journal of industrial medicine. 29(2)
In June 1991, 831 veterinarians registered in the Southern Netherlands were mailed a questionnaire to obtain details of work practice and health problems. One hundred fifty-two veterinarians were not eligible (retired or not working regularly), 497 p
Publikováno v:
The Annals of occupational hygiene. 39(5)
Personal exposure to dust and endotoxin was measured among 198 Dutch pig farmers. For each participant 8-h measurements were made on 2 days, one in summer 1991 and one in winter 1992. Mean time-weighted average (TWA) exposure to dust was 3.0 mg m-3 (
Publikováno v:
American journal of veterinary research. 55(10)
The influence of an intensive vaccination program on prevalence of pseudorabies virus (PRV)-infected breeding pigs was examined in a region where the disease was enzootic. In a 2-year period, significantly (P0.005) greater decrease in the prevalence