Ever wondered how blue giant Jersey chickens stand out in the poultry world? These impressive birds capture attention with their size and unique coloring, making them a favorite for both backyard farmers and chicken enthusiasts. Understanding what makes these chickens special is key to raising and caring for them successfully.

In this article, we’ll explore what blue giant Jersey chickens are, how to identify them, and tips for keeping them healthy and happy.

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Blue Jersey Giant Chickens: A Comprehensive Guide

Blue Jersey Giant chickens are a standout breed in any backyard flock. Their striking appearance, gentle temperaments, and impressive size make them a favorite among poultry enthusiasts. Whether you’re new to raising chickens or considering adding this breed to your flock, this guide will help you understand everything from their characteristics and benefits to practical care tips and common challenges.

What Are Blue Jersey Giant Chickens?

Blue Jersey Giants are one variety of the famous Jersey Giant breed, which originated in the United States in the late 19th century. As their name suggests, these chickens are enormous—among the largest of all chicken breeds—and their feathers come in a stunning blue-gray color.

This color variety was developed by crossing black and splash Jersey Giants, resulting in the beautiful blue shade that sets them apart.

Key characteristics of Blue Jersey Giant chickens:
– Extra-large size (often 10–13 lbs for adults)
– Calm and gentle disposition
– Distinctive blue-gray feathers
– Good layers of large brown eggs
– Dual-purpose (suitable for both meat and egg production)

Physical Appearance

Size

The most notable trait of Jersey Giants is their size. Adult males (roosters) often reach 12–13 lbs (5.4–5.8 kg), while hens typically weigh 10–11 lbs (4.5–5 kg). They stand tall with a broad frame and strong legs.

Feather Color

Blue Jersey Giants have beautiful slate-blue feathers—sometimes appearing almost lavender or silvery in the sunlight. This blue coloring is the result of a genetic pattern and can vary slightly in shade from bird to bird.

Comb and Wattles

They have a single, medium-sized comb (the red, fleshy crest on their head) and matching wattles. Their legs are typically dark slate or black.

Temperament and Behavior

Blue Jersey Giants are gentle giants, making them an excellent choice for families and mixed flocks. Their docile nature means they’re less likely to bully other chickens and can get along well with children.

Behavioral highlights:
– Calm and friendly, easy to handle
– Less prone to flightiness
– Not aggressive toward other chickens
– Prefer a bit more space due to their size

Because of their relaxed temperament, they can sometimes be picked on by more aggressive breeds. It’s helpful to monitor interactions when integrating them into an existing flock.

Egg Laying Ability

While Jersey Giants are not the most prolific egg layers compared to specialized breeds, they are nonetheless good producers of large brown eggs.

Egg Production Overview:
– Average: 150–200 eggs per year
– Egg size: Large to extra-large
– Egg color: Light brown to brown

They may start laying a little later than smaller breeds (often around 6–8 months), but their eggs are among the largest you’ll find from backyard chickens.

Growth Rate and Maturity

Because of their size, Blue Jersey Giants grow more slowly than other breeds. They can take 8–9 months (sometimes longer) to reach their full adult size and maturity.

Growth Timeline

  1. Chicks (First 2 Months): Grow steadily but not as quickly as lighter breeds.
  2. Juveniles (2–6 Months): Still developing muscle and frame. Require a balanced diet.
  3. Near Adult (6–8 Months): Begin to fill out and develop secondary features.
  4. Fully Mature (8–12 Months): Reach maximum size and begin regular egg production (for hens).

While this growth rate requires patience, it results in a robust, healthy bird that is well worth the wait.

Benefits of Raising Blue Jersey Giants

Blue Jersey Giants offer a range of benefits for backyard poultry keepers:

  • Impressive Size: Their large size is both visually striking and ideal for meat production.
  • Dual-purpose Utility: They provide both eggs and meat, making them highly versatile.
  • Peaceful Nature: Their calm personalities make them ideal for family settings.
  • Cold Tolerant: Thanks to their size and feathering, they handle cold weather relatively well.
  • Unique Appearance: The blue feather color adds a touch of beauty to any flock.

Common Challenges

While Blue Jersey Giants are wonderful birds, they do have some unique challenges you should be aware of:

  1. Space Needs: Their size means they need more space than average chickens. Crowding can lead to bullying and health issues.
  2. Slow Maturity: Patience is required, especially if you’re raising them for meat or egg production.
  3. Feed Costs: Their larger bodies require more food. Be prepared for slightly higher feed bills.
  4. Broodiness: Jersey Giants are not known for being broody, meaning they don’t often want to sit on and hatch eggs.
  5. Potential Leg Issues: Heavy body weight can occasionally lead to joint or leg problems, especially on slippery surfaces.

Housing and Space Requirements

Due to their large stature, Blue Jersey Giants thrive best in roomy coops and runs.

  • Coop Space: Ideally, provide at least 6–8 square feet per bird inside the coop.
  • Run Space: Give 12–15 square feet per bird in the outdoor run.
  • Roosts: Make sure roosts are sturdy and relatively close to the ground (18–24 inches high), reducing the risk of leg injuries from jumping down.

Soft, dry bedding is essential to support their weight and keep their feet healthy.

Feeding and Nutrition

Blue Jersey Giants require a nutritious, well-balanced diet to support their size and slower growth rate.

Feeding Tips:

  1. Starter Feed (Chicks): 20–22% protein until 6–8 weeks old.
  2. Grower Feed (Juveniles): 16–18% protein until they begin laying.
  3. Layer Feed (Hens): 16% protein with added calcium once hens start laying eggs.
  4. Extra Protein: During molts or cold winters, offer extra protein treats.
  5. Fresh Water: Always provide unlimited access to clean water.

Consider using larger or heavier feeders and waterers to prevent tipping.

Health and Care

Jersey Giants are generally hardy and healthy birds. However, their size can make them more prone to certain issues.

  • Leg and Foot Care: Keep bedding dry and soft. Monitor for signs of bumblefoot (infected foot sores).
  • Weight Management: Avoid overfeeding treats; keep them active to maintain muscle.
  • Parasite Checks: Like all chickens, check regularly for mites, lice, and worms.
  • Ventilation: Provide good airflow in the coop to prevent respiratory problems, especially since heavy breeds may overheat in hot weather.

Regular checkups and clean living spaces are essential to their well-being.

Breeding and Color Genetics

Breeding Blue Jersey Giants can be a fun challenge because the blue color does not breed true. This means not all offspring from two blue parents will be blue.

Expected Outcomes When Breeding:
– Blue × Blue: 50% blue, 25% black, 25% splash (light, mottled color)
– Blue × Black: 50% blue, 50% black
– Blue × Splash: 50% blue, 50% splash

Many breeders appreciate this genetic variety, as all resulting birds are attractive and valuable for meat or eggs.

Integrating Blue Jersey Giants Into a Flock

Because of their friendly disposition, Blue Jersey Giants usually integrate well with other gentle breeds. However, their size means they can accidently injure smaller birds if space is limited.

Best Practices:
– Introduce gradually using a fence or crate for observation.
– Monitor for signs of bullying, both as aggressor or victim.
– Provide enough feeders, waterers, and space to prevent competition.

Practical Tips and Best Practices

  1. Choose Larger Equipment: Use feeders and drinkers designed for larger breeds.
  2. Provide Extra Shade in Summer: Their size and feathering can make them prone to overheating.
  3. Ensure Coop Security: Larger birds still need protection from predators, so sturdy fencing and secure doors are vital.
  4. Watch Roost Height: Lower perches help prevent leg injuries.
  5. Offer Enrichment: Jersey Giants enjoy foraging and benefit from scratch grains or vegetable treats to keep them active and healthy.

Cost Considerations and Shipping Tips

Blue Jersey Giants are a bit more costly to raise than smaller breeds due to their feed intake and housing needs. However, they offer good value as dual-purpose birds.

  • Chick Prices: Generally, Blue Jersey Giant chicks cost slightly more than average breeds. Expect prices to be higher for guaranteed females or specialty colors.
  • Shipping: Due to their size, chicks are slightly heavier, so shipping costs can be a bit higher, especially if ordering small numbers.
  • Feed Costs: Plan for increased feed consumption compared to lighter breeds.
  • Housing Investment: Initial setup may cost more if you need a larger coop or sturdier roosts.

If you’re ordering chicks online, group orders tend to reduce shipping fees per chick. Always buy from reputable hatcheries or local breeders for the healthiest birds.

Concluding Summary

Blue Jersey Giant chickens are a magnificent addition to any backyard or small farm. Their impressive size, gentle personalities, and striking blue plumage make them both practical and beautiful. Success with this breed requires room to grow, plenty of food, and patience, but the rewards are substantial—whether you’re after large eggs, excellent meat, or simply want a show-stopping chicken in your flock.

By understanding their unique needs and providing attentive care, you’ll find Blue Jersey Giants to be a rewarding and enjoyable breed for many years to come.


Frequently Asked Questions (FAQs)

What makes Blue Jersey Giant chickens different from other chicken breeds?

Blue Jersey Giants stand out for their extra-large size and unique blue-gray feathers. They were originally bred for meat production but also lay large brown eggs. Their friendly and calm demeanor sets them apart as gentle and easy-to-handle birds.

How much space do Blue Jersey Giants need?

Because they are so large, Jersey Giants need more living space than the average chicken. Plan for at least 6–8 square feet per bird inside the coop and 12–15 square feet per bird in the outdoor run. More space reduces stress and prevents injury.

Are Blue Jersey Giants good layers?

Yes, but you should not expect the highest egg production compared to specialized laying breeds. Blue Jersey Giants typically lay 150–200 large brown eggs per year. Their eggs are particularly large and delicious.

Do Blue Jersey Giants get along with other chickens?

Generally, yes. They have a mellow temperament and usually get along well with other gentle breeds. However, smaller or more aggressive breeds may pose challenges, so introductions should be done gradually, and interactions should be monitored.

Are Blue Jersey Giants difficult to care for?

Not at all, but they do have specific needs due to their size. They require more space, a robust diet, and sturdy housing. As long as you meet these needs and watch for leg or weight-related issues, they are hardy and easy to care for.


Blue Jersey Giant chickens are a breed that commands attention and delivers both practicality and beauty. By following the guidance above, you can ensure a thriving, happy flock and enjoy all the wonders these “gentle giants” offer.