Biomedical subjects
Publications and source records attributed to W Wilk.
A case of giant intrapericardial malignant fibrous histiocytoma has been reported. A brief review of primary cardiac tumours has been presented taking into account differential diagnosis of neoplasms of histologically myxomatous nature.
A case of a lymphoma of the marginal zone (MALT type) in the antrum of the stomach concomitant with an amyloidoma immunohistochemically corresponding to amyloid AL has been reported in a 69-year-old woman.
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Some of the current food mixtures for dogs available on the market and their further development were tested regarding the usage under rational and standardized experimental conditions. Further, it should be clarified which of the two separate modes of nutrition has the better effect on breeding and rearing of dogs. The use of a complete feed for breeding and maintaining (Altromin H) was compared with a special breeding feed (Zahn Z) together with a special maintenance feed (Zahn H). The tests were made at two places (Mannheim and Ingelheim) mainly on Beagle dogs. The food mixtures are described with the kind and quantity of the ingredients and nutrients. The results of the parameters measured in breeding effect, nursing period and rearing phase showed that all the feeds tested were nutritively satisfactory to the animals. Detailed information will be given in the 2nd and 3rd communications. Further investigations should be carried out on food consumption, food wastage, optional usage of the ingredients of the foodstuff and on energy balance.
Two different modes of nutrition during breeding and rearing of dogs are investigated to determine which of them has the better effect. The use of a complete feed for breeding and maintenance (Altromin H) was compared with the use of a special breeding feed (Zahn Z), respectively, together with a special maintenance feed (Zahn H). A palatability test was made, a 2-year test for the effect on breeding, observation of weight gain and food consumption in the rearing phase on all the dogs of the strain Chbi:BEAGLE. The palatability test showed no preference for either diet. Initially, on changing diets, the dogs ate more of whichever new food was given. From 22 parameters which characterize the breeding effect the only statistically significant difference determined was an 11% higher consumption in the Altromin H group. Although in the rearing phase the food consumption in the Altromin H group was higher, male dogs in the younger age group made more weight gain on the special food (Zahn Z) and older bitches fed Altromin H were heavier for a time.
The second part continued the biological characteization of the outbred strain Chbb : NMRI (SPF) (formerly NMRI/Tübingen/Kisslegg/Biberach) mice. The results obtained from 7 generations (F9 to F 15-generations) refer to the following parameters: loss of breeding animals, conception rate, ability to build a nest, litter size at birth and weaning, loss of young animals, litter weight at birth and weaning, intervals between two births and efficienty quota.
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