What are the answers to questions 10-14 regarding livestock and farm management?

Here are the answers to the questions: 10. Give two causes of death in cows during or after parturition. Milk fever* (hypocalcemia) due to a sudden drop in blood calcium levels. Retained placenta* leading to uterine infection (metritis) or septicemia. 11. Differentiate between roughages and concentrates as used in livestock production. Roughages* are feedstuffs that are high in fiber, low in digestible energy, and bulky (e.g., hay, silage, pasture). They are essential for rumen function and gut health. Concentrates* are feedstuffs that are low in fiber, high in digestible energy and/or protein, and less bulky (e.g., grains, oilseed meals). They are used to supplement the diet and meet high production demands. 12. List four zoonotic diseases that can occur on the farm. Anthrax* Brucellosis* Rabies* Tuberculosis* 13. State four uses of harrows on the farm. To break up soil clods* and pulverize the soil after ploughing. To level and smooth* the soil surface for a fine seedbed. To cover seeds* after broadcasting. To control weeds* by uprooting young weeds. 14. State four signs of heat in pigs. Swollen and reddened vulva*. Restlessness* and increased activity. Mounting other sows* or attempting to be mounted. Standing reflex* (standing still when pressure is applied to the back). 15. Name four plant species that can be used to establish live fences. Euphorbia tirucalli* (Milk bush) Lantana camara* Bougainvillea* Sisal* (Agave sisalana) 16. Give TWO benefits of scattering grains in a deep litter poultry house. It encourages the birds to scratch and turn the litter*, which helps to keep it dry and aerated, preventing the build-up of ammonia and pathogens. It provides exercise and reduces boredom*, which can help prevent vices like feather pecking and cannibalism. 17. List Two sheep breeds reared for meat production in Kenya. Dorper* Red Maasai* 18. List two farm tools used during castration of farm animals. Burdizzo* (emasculatome) Elastrator*