(a)
(i) Flushing: In animal production, flushing refers to the practice of increasing the nutrition of breeding animals, typically cows or ewes, prior to mating in order to improve their reproductive performance and increase the number of eggs or embryos produced.
(ii) Castration: In animal production, castration refers to the removal of the testicles of male animals, typically for the purpose of making them easier to manage and reducing aggressive behavior.
(iii) Culling: In animal production, culling refers to the selective removal of animals from a herd or flock for reasons such as poor health, low productivity, or poor genetics.
(b)
(i) Advantages of flushing:
1. Increased reproductive performance and egg or embryo production.
2. Improved fertility and conception rates.
(ii) Advantages of castration:
1. Reduced aggressive behavior and improved animal welfare.
2. Improved meat quality and consistency.
(iii) Advantages of culling:
1. Improved herd or flock productivity and genetics.
2. Improved animal welfare by removing animals that are suffering or unable to contribute to the herd or flock.
(c)
(i) Prismatic compass:
1. Survey work, such as determining property boundaries and elevations.
2. Orienteering and navigation, such as finding one's way through the wilderness.
(ii) Measuring tape:
1. Construction and carpentry, for measuring and cutting materials to the correct size.
2. Tailoring and sewing, for measuring fabric and determining the correct size for clothing.
(d) Floriculture refers to the cultivation of flowers and ornamental plants, while aquaculture refers to the cultivation of aquatic animals and plants, such as fish, crustaceans, and seaweed. The main difference between the two is that floriculture is focused on growing plants for ornamental purposes, while aquaculture is focused on raising aquatic species for food or other purposes.