This Test Guideline is used in the assessment and evaluation of the toxic effects of organophosporus substances. Daily doses of the test substance are administered orally (preferably by gavage or administration of gelatin capsules) to domestic laying hens (aged 8 to 12 months) for 28 days. The...

Keeping a good disciplinary climate is a key to student learning and well-being. Disciplinary norms need to be clearly established and applied fairly and consistently. Yet, strictness alone cannot optimise student outcomes: students need support and understanding.