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22-Agric-A1 Applied Plant, Animal or Human Physiology: May 2017

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Physiology Terms — Definitions
  2. Question 2 Explaining Two Thermal-Adaptation Phenomena
  3. Question 3 Feedback Mechanisms in Endothermic Thermoregulation
  4. Question 4 Three Mechanisms of Thermoregulation
  5. Question 5 Metabolizable-Energy Partition in a Growing Pig
  6. Question 6 Calorimetry and Herd Sensible Heat Production

Start with Question 1 →

Paper format. 04-Agric-A1 Animal or Human Physiology, National Exams May 2017 — a three-hour closed-book examination; one of two approved calculator models (Casio or Sharp) is permitted. The rubric states that five (5) questions constitute a complete exam paper and that the first five questions appearing in the answer book are marked (worth 20 marks each, 100 marks total); all six (6) printed questions are worked here as a complete study resource.

Reference texts. M.K. Yousef (ed.), Stress Physiology in Livestock, Vol. I — Basic Principles, CRC Press (thermoregulation, thermoneutral zone, endotherm/ectotherm physiology, external stressors); J.A. DeShazer (ed.) and ASABE Standards (American Society of Agricultural and Biological Engineers), Livestock Energetics and Thermal Environmental Management (sensible heat production, metabolic body-size scaling, animal housing design); P. McDonald et al., Animal Nutrition, 7th ed. (gross/digestible/metabolizable/net energy, feed-energy partition); K. Schmidt-Nielsen, Animal Physiology: Adaptation and Environment, 5th ed. (Bergmann's rule, comparative thermal biology, calorimetry); R.L. Curtis, Environmental Management in Animal Agriculture, Iowa State University Press (animal housing microclimate).