Overview
Cobb 500 is a fast-growing broiler strain widely used by commercial and smallholder growers. In Bhopal’s climate—hot summers, monsoon humidity and cooler winters—managing temperature, ventilation and litter is the priority. This guide walks you from receiving day-old chicks to harvesting and selling birds with practical, field-proven tips.
Planning and stock selection
Decide scale before you buy: batch sizes of 500–2,000 are common for small commercial farms. Buy chicks only from reputed hatcheries supplying certified Cobb 500 DOCs (day-old chicks). Inspect transport boxes on arrival—chicks should be active, warm, and dry. Have a brooder house ready with backup power for heat and ventilation.
Housing and brooding (day 0–14)
- Location: Sheltered, well-drained site with access to water and feed.
- Flooring and litter: Use 5–8 cm dry litter (rice hulls, chopped straw, or sawdust). Keep it dry to reduce ammonia and footpad issues.
- Temperature: Start brooder temperature around 32–34°C at chick level, reduce by 2–3°C per week to reach 21–24°C by 3–4 weeks. In Bhopal summers, avoid overheating; in winter, ensure supplemental heat overnight.
- Lighting: Provide 23–24 hours light in the first 72 hours, then gradually reduce to 16–18 hours as feed intake stabilizes.
- Stocking density: For brooding keep 8–10 chicks/m2; adjust as they grow.
Feeding program and water
Feed strategy profoundly affects growth and flock uniformity. Use balanced commercial starter, grower and finisher mash or crumbles formulated for Cobb 500 nutrient specs. Work with your feed supplier to match local raw material quality.
- Starter (0–10 days): High protein (around 20–22%) and energy to support early growth and gut development.
- Grower (11–24 days): Moderate protein; focus on digestible amino acids and energy.
- Finisher (25 days to market): Lower protein, balanced energy to reach target weight efficiently.
Always provide clean, fresh water—one drinker per 8–10 birds early, adjusted as they grow. Check water temperature and cleanliness; in Bhopal summers, cool water encourages intake.
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Target growth and feed conversion
Cobb 500 is selected for rapid growth. Typical commercial targets (use as a reference, adapt to your management): reach market weight of 2.0–2.5 kg between 35–42 days with a steady, uniform flock. Monitor feed conversion ratio (FCR) weekly—good management aims for progressively improving FCR as birds mature. Keep records of bodyweight, feed intake and mortality to spot problems early.
Health management and vaccination
Work with a local poultry veterinarian to design a vaccination and biosecurity plan tailored to Bhopal conditions. Common practices include:
- Strict biosecurity at shed entry, clean footwear and disinfection mat.
- All-in/all-out flocking to break disease cycles.
- Routine vaccinations: typical schedules include Marek’s, Newcastle (Ranikhet), Infectious Bursal Disease (Gumboro) and others based on local disease pressure—follow vet advice on timing and methods (spray, drinking water, injection).
- Control external and internal parasites with vet-recommended products.
- Monitor for heat stress in summer (panting, wing spreading) and coccidiosis during humidity peaks—manage litter and coccidiostat programs accordingly.
Do not use antibiotics as growth promoters; follow withdrawal periods before slaughter if therapeutic antibiotics are used.
Ventilation, temperature and welfare
Bhopal’s hot season requires ventilation systems that remove heat and moisture. For tunnel-ventilated houses, maintain airflow without drafts at bird level. For naturally ventilated sheds, use ridge vents, side curtains and fans to improve air exchange. Monitor litter moisture and ammonia—high ammonia causes poor growth and eye/respiratory issues.
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Monitoring and record-keeping
Keep daily logs of mortalities, feed consumption, water use, and environmental conditions. Weekly weigh samples (random 50–100 birds depending on flock size) to track uniformity and growth. Early detection of growth setbacks allows corrective action—adjust feed, check water lines, inspect litter and review biosecurity.
Pre-slaughter preparation
Plan the harvest date based on feed conversion and market demand. Common approaches:
- Target a window (e.g., 35–42 days) when FCR is still efficient and live weights meet buyer specs.
- Withdraw feed 8–12 hours before catching to ease gut emptying—ensure water remains available.
- Use experienced catching crews to reduce bruises and mortality during handling.
Processing and selling options
Decide market channel before you grow—this shapes target live weight and uniformity:
- Live market/wholesalers: Sell on farm or at local yards. Requires handling and transport facilities. Prices fluctuate—monitor Bhopal and regional markets.
- Processors/contract growers: Contract growers supply birds to processors under agreed weights and quality. Contracts can reduce market risk but require strict quality and biosecurity standards.
- Retail/retailers: Selling directly to retailers or butchers can get better margins but needs consistent supply and sanitation standards.
- Value-added: Consider dressing and simple value addition if permitted—requires hygiene, licensing and cold chain.
Document transport and cold chain for dressed birds. Meet buyer requirements on weights, cleanliness and vaccination records—many buyers require documented withdrawal periods and health certificates.
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Economics and risk management
Track feed cost per kg gain (major cost), chick cost, labor and utilities. Small changes in FCR or mortality significantly impact profit—focus management where it reduces these risks: feed quality, water, litter and temperature control. Consider staggered batch scheduling to smooth labor and cash flow.
Local considerations for Bhopal
- Heat mitigation: Use shade, evaporative cooling, and increase drinking stations during April–June.
- Monsoon: Keep sheds dry and prevent waterlogging around houses to avoid disease outbreaks; manage litter and drainage before rains.
- Winter: Provide night heat and reduce drafts to avoid slower growth in colder months.
- Market timing: Demand can rise around festivals—coordinate production to meet local holiday windows where possible.
Practical checklist before you start
- Secure reliable chick and feed suppliers; inspect sample labels and specifications.
- Prepare brooder house, feeders, drinkers, and backup power for fans/heat.
- Set up simple record system: daily mortality, feed in/out, weekly weight checks.
- Arrange veterinary support and a biosecurity protocol for visitors and vehicles.
- Decide sales channel and confirm buyer specifications and logistics.
Final notes
Raising Cobb 500 in Bhopal can be profitable when management focuses on uniformity, feed conversion, disease prevention and matching bird weights to buyer demand. Start small if you’re new, learn one batch cycle thoroughly, and scale with systems and markets that proved reliable. Regularly consult your local poultry vet and feed supplier to adapt the program to seasonal and market changes. Agriculture Novel across the social constellation Phro tends every channel — pick one and come say hello.

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