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PubMed1995

Ingestion of lye.

This paper reports on the case of a 13-year-old white male who committed suicide by ingestion of heavy duty drain and sewer opener. He left behind a note indicating his suicide. This teenager was grieving over the suicide of one of his friends and was under counseling by a mental health therapist at school. Results of autopsy and toxicological analyses indicated the ingestion of a highly alkaline substance that is consistent with the ingredients of the drain opener mentioned.

Adolescent↗
PubMed1975

[Results of chewing and ruminant activity of cows fed rations of cereal straw of various physical forms and after chemical treatment with sodium lye].

3 trials were conducted with adult cows. The animals received different types of coarse fodder (straw, lucerne) which was subjected to chemical treatment (liquid NaOH) and mechanical treatment (pelleting, wafering); then, the chewing and ruminating activity of the cows was measured. Different criteria were used, i.e. movements of the jaws during food intake and rumination and number of regurgitated bits of food. On the average, one movement of jaws lasted 0.94 sec. and swallowing and regurgitation took 5.5 sec. From this, the duration of the rumination process was determined. No differences in ruminating activity were found between lucerne and chopped/chaffed food while the the case of wheat straw about 30% of additional ruminating activity was performed in comparison with pelleted lucerne and chaffed food. This structural effect was even a bit more pro nounced when the straw was first ground and then wafered. Preceding chemical treatment of the straw with liquid NaOH reduced the ruminating activity in the case of chopped food by 53%, with pellets by 40% and with straw pressed into blocks by 62%. The finess of the feed was in no case found to be related to rumination activities, while hardness of the food particles as well as physical and chemical treatment of the food had an importent influence on the rumination activity.

Animal Nutritional Physiological Phenomena↗