Livestock Inspector Gr II — KLDB Ltd — 2016 — Official Paper — Kerala PSC PYQ Practice with Answers

Correct answer (Option C):\nIn diversified farming, the farm business is organized to produce several products, and no single source of income contributes more than 50% of the total revenue. This reduces financial risk.\n\nWhy others are wrong:\nOption A integrates crop and livestock production. Option B derives more than 50% of income from one enterprise. Option D focuses strictly on milk production.\n\nStudy tip:\nDiversification is an excellent risk mitigation strategy against market fluctuations and production failures in individual farm components.

Correct answer (Option A):\nTo establish a standard small-scale dairy farm that provides steady regular daily income and maximizes home labor utilisation efficiently, a minimum unit size of 2 to 3 high-yielding crossbred cows is recommended.\n\nWhy others are wrong:\nOptions B and C represent larger baseline operations that demand significantly greater initial capital investments and additional external hired labour.\n\nStudy tip:\nStarting with a 2-cow unit helps maintain uniform lactation distribution throughout the year when calving intervals are managed properly.

Correct answer (Option A):\nIn a tail-to-tail barn system, cows stand facing the outer walls, which means the feeding passages are situated on the outer parameters. Consequently, distributing feed is more laborious compared to a head-to-head arrangement.\n\nWhy others are wrong:\nOption B is an advantage since dunging and milking occur in a central passage. Options C and D are advantages because cows are separated by a central aisle and face fresh outside air.\n\nStudy tip:\nTail-to-tail layouts are widely preferred by milkers because the central alley facilitates rapid cleaning and uninterrupted supervision during milking.

Correct answer (Option A):\nA calving pen (or maternity stall) is required to isolate advanced pregnant animals prior to parturition. Farm standard guidelines recommend allocating calving pens equivalent to 5% of the total breedable female stock.\n\nWhy others are wrong:\nOptions B, C, and D provide percentage allocations that significantly exceed typical commercial requirements, leading to underutilized barn space.\n\nStudy tip:\nIsolating cows in specialized calving boxes helps ensure proper hygiene, reduces neonatal mortality, and controls the transmission of infectious agents like Brucella.

Correct answer (Option D):\nIndigenous Zebu cattle (Bos indicus) possess excellent heat tolerance. Their physiological homeostasis and performance begin to experience significant thermoregulatory strain when ambient temperatures cross the critical point of 95°F.\n\nWhy others are wrong:\nOptions A, B, and C correspond to much lower temperatures that act as critical stress points for exotic temperate breeds (Bos taurus) like Holstein Friesian or Jersey.\n\nStudy tip:\nZebu cattle cope with high heat via specialized characteristics like larger surface area from dewlaps, highly active sweat glands, and lower metabolic rates.