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Animal Husbandry & Veterinary Science 2023 Paper I 50 marks Describe

Paper I — Q6

(a) Describe the significance, composition and physical forms of creep feed in piglet. 15 (b) Describe the different types of…

(a) Describe the significance, composition and physical forms of creep feed in piglet. 15 (b) Describe the different types of hypoxia in animals. 15 (c) Describe the various methods for assessment of postnatal growth in animals. 20

हिंदी में प्रश्न पढ़ें

(a) शूकरशाव (पिगलेट) में क्रीप फीड के महत्व, संरचना और भौतिक रूपों का वर्णन कीजिए । 15 (b) पशुओं में विभिन्न प्रकार की अवऑक्सीता (हाइपोक्सिया) का वर्णन कीजिए । 15 (c) पशुओं में प्रसवोत्तर वृद्धि के आकलन की विभिन्न विधियों का वर्णन कीजिए । 20

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Directive word: Describe

This question asks you to describe. The directive word signals the depth of analysis expected, the structure of your answer, and the weight of evidence you must bring.

See our UPSC directive words guide for a full breakdown of how to respond to each command word.

How this answer will be evaluated

Approach

The directive 'describe' requires comprehensive, systematic exposition of facts, mechanisms and classifications across all three sub-parts. Allocate approximately 30% time/words to part (a) on creep feed (15 marks), 30% to part (b) on hypoxia types (15 marks), and 40% to part (c) on growth assessment methods (20 marks). Structure with brief contextual introductions for each sub-part, detailed body covering all components asked, and a synthesizing conclusion linking nutritional management, physiological stress and growth monitoring as integrated pillars of neonatal and postnatal animal husbandry.

Key points expected

  • Part (a): Significance of creep feed in reducing pre-weaning mortality, improving weaning weight and gut development; composition details including protein (18-20%), lysine, milk products, energy sources; physical forms—mash, pellets, crumbles, liquid/soup creep with advantages of each
  • Part (b): Four main types of hypoxia—hypoxic hypoxia (arterial PO2 reduction), anemic hypoxia (reduced O2 carrying capacity), stagnant hypoxia (circulatory failure), histotoxic hypoxia (cellular utilization block); causes, examples and distinguishing features for each type in veterinary context
  • Part (c): Methods including body weight measurement (absolute, relative growth rate), body measurements (body length, height, girth, cannon bone), body condition scoring, growth curves and standards, feed conversion efficiency, allometric growth equations, and modern tools like ultrasound and 3D imaging
  • Part (c): Species-specific growth assessment protocols for cattle (NRC standards), pigs (ADG, feed:gain), poultry (body weight uniformity, FCR), and small ruminants
  • Integrated application: How creep feeding (a) prevents hypoxic stress (b) during birth and early life, monitored through postnatal growth assessment (c) for production optimization

Evaluation rubric

DimensionWeightMax marksExcellentAveragePoor
Demand-directive understanding15%7.5Demonstrates precise understanding that 'describe' requires factual, systematic exposition without critical evaluation; for (a) covers all three demanded elements (significance, composition, physical forms); for (b) classifies hypoxia types with defining characteristics; for (c) comprehensively lists and explains assessment methods rather than merely naming themAddresses all sub-parts but with uneven coverage—may miss one element in (a) or confuse hypoxia types in (b); lists growth methods in (c) without adequate explanation of how each is performedMisinterprets directive as 'discuss' or 'evaluate', wasting words on unnecessary critique; misses significant components like physical forms in (a) or stagnates on one hypoxia type; treats (c) as brief enumeration
Content depth & accuracy30%15Provides accurate quantitative specifications for creep feed (protein %, lysine levels, energy ME values); correctly distinguishes all four hypoxia types with precise physiological mechanisms (e.g., cyanide blocking cytochrome oxidase for histotoxic); details calculation methods for growth parameters (ADG, RGR, Kleiber's ratio) with formulasGenerally accurate but lacks specific numerical values; describes hypoxia types with minor errors in causation; mentions growth assessment methods without showing calculation competency or standard reference tablesSignificant factual errors—wrong nutrient levels in creep feed, conflates hypoxia with hypercapnia, confuses absolute and relative growth rates; omits critical technical details like pre-starter vs. starter creep phases
Structure & flow20%10Clear tripartite structure with visible sub-headings for (a), (b), (c); within each part, logical progression from definition → classification/details → application; smooth transitions between creep feed nutrition, oxygen physiology, and growth metrics showing interconnectedness of neonatal managementAll three parts present but internal organization weak—may mix significance with composition in (a), present hypoxia types without clear comparative framework, or list growth methods randomly without grouping into direct vs. indirect methodsDisorganized amalgamation without clear part separation; poor paragraphing; abrupt jumps between unrelated facts; missing or inadequate sub-headings making evaluation difficult
Examples / case-law / data20%10Cites Indian research: ICAR creep feed recommendations for piglets; hypoxia cases from high-altitude disease in yaks/ladakhi cattle or neonatal asphyxia in organized dairy farms; references NDRI/IVRI growth standards for Sahiwal, Murrah buffalo, or desi pigs; mentions specific tools like RUSFOL for body condition scoring in Indian conditionsGeneric examples without Indian specificity—mentions 'commercial pig farms' or 'dairy cattle' without breed/institution references; standard textbook examples of hypoxia without species context; growth curves without citing Indian breed standardsVirtually no examples; or irrelevant examples from human medicine; no institutional or breed-specific data; fails to contextualize any method to Indian animal husbandry conditions
Conclusion & analytical edge15%7.5Synthesizes how early nutritional intervention (creep feed) reduces hypoxic stress during farrowing, with growth assessment enabling precision feeding; connects to broader themes like precision livestock farming, One Health, or sustainable intensification; suggests future integration of IoT-based growth monitoring with automated creep feeding systemsBrief summary restating main points without true synthesis; weak connection between the three parts; generic concluding statement about 'importance of proper management'No conclusion or abrupt ending; or conclusion that introduces new unsubstantiated claims; fails to integrate the three distinct topics into any coherent production system perspective

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