BAQ-002 IGNOU Solved Assignment 2026-27

BAQ-002 Solved Assignment: Freshwater Aquaculture (TMA 30% Weightage)

This verified digital PDF solution set aligns with the Diploma in Aquaculture (DAQ) curriculum for BAQ-002 Freshwater Aquaculture, covering mandatory blocks with 100% authenticity and university-approved references. Below are structured solutions for key units:

Block-4: Breeding and Culture of Catfish and Other Live Fish

• Unit 4.1: Catfish Breeding Techniques

  Solutions include induced breeding methods (LHRH-a, Ovaprim) for Clarias batrachus and Wallago attu, with step-by-step protocols for hormonal induction, spawning triggers, and larval rearing protocols. Addresses water quality parameters (pH, temperature, dissolved oxygen) critical for fry survival.

• Unit 4.2: Polyculture Systems

  Explains compatible species pairing (e.g., Catla catla + Labeo rohita + Cirrhina mrigala) in integrated aquaculture, including stocking density calculations and nutrient cycling dynamics in earthen ponds.

Block-5: Breeding and Culture of Shellfish

• Unit 5.3: Molluscan Culture (Pond-Based)

  Covers seed collection from wild stocks for Pila globosa and Lymnaea acuminata, with biofloc technology integration for larval nutrition. Includes disease management (e.g., veliger mortality) via probiotics and water exchange protocols.

• Unit 5.5: Crustacean Rearing

  Detailed solutions for post-larval (PL) culture of Macrobrachium rosenbergii, including dietary formulations (protein:lipid ratios) and cage culture techniques in freshwater tanks.

Block-6: Nutrition and Health Management

• Unit 6.2: Feed Formulation

  Solves proximate analysis for fish feeds (crude protein, fiber, ash) and digestible amino acid requirements for Oreochromis niloticus (tilapia). Includes cost-benefit analysis of plant vs. animal protein sources.

• Unit 6.4: Disease Diagnosis

  Case studies on columnaris disease (Flavobacterium columnare) in catfish, with therapeutic interventions (formalin baths, antibiotics) and preventive measures (biosecurity protocols).

Key Features of Solved Assignment

• Word Limit Compliance: Strict adherence to 500 words (Q1/Q2), 250 words (Q3/Q4), and 100 words (short-answer) formats.
• Plagiarism-Free: 0% similarity with original IGNOU study materials; references sourced from eGyanKosh and IGNOU Study Guide (2023 session).
• Deadline-Aligned: Solutions match TMA submission deadlines (T1: 15th July, T2: 15th November) for the current academic year.

FAQs

Yes. Block-4 includes flowcharts for catfish breeding cycles and Block-6 contains feed conversion ratio (FCR) tables for common species. All visuals are labeled per IGNOU guidelines.

Solutions emphasize freshwater-specific species (Pila, Macrobrachium) and closed-system technologies (e.g., raceway tanks for crustaceans), excluding marine species or saltwater adaptations.