- Description
- Shipping
- Why Buy from Us
Cimuka 15-Inch Grow-Out Pen Layer Addition | GL40-03-TA
Need more room for your growing birds? The Cimuka 15-Inch Grow-Out Pen Layer Addition (GL40-03-TA) gives you a practical way to expand your poultry grow-out capacity without replacing your existing setup. Designed for growing chickens, quail, pheasants, partridge, ducklings, goslings, young turkeys, and other game birds, this stackable grow-out pen provides 15 inches of internal headspace, dedicated feeding and watering systems, and flexible flooring for birds transitioning from the brooder to their next stage of housing.
Everyday grow-out management involves more than providing enough space. Feed waste, wet birds, droppings, and uncomfortable flooring can all create additional work. This Cimuka poultry grow-out pen addresses these concerns with enclosed nipple drinker cups, a removable feeding trough with red feed grills, Comfortplast™ elliptical flooring, and a deep manure tray. As a layer addition, it also gives you the flexibility to expand your poultry operation as your flock grows.
Key Features
- 15-Inch Internal Headspace: Provides growing poultry with room during the transition from brooding to adult housing. Suitable for rear pullets, quail, pheasants, partridge, ducklings, goslings, young turkeys, and other game birds.
- Deep Removable Manure Tray: Collects droppings beneath the birds for more convenient waste removal. Keeping accumulated manure out of the birds' immediate living space makes routine cleaning and hygiene management easier.
- Feed-Saving Grill System: Includes shock-proof red feed grills that sit over the removable feeding trough. The grills help limit feed flinging and spillage, keeping more feed where your birds can reach it. The trough holds approximately 6.5 pounds of feed.
- Automatic Nipple Drinking System: Three steel nipple drinkers deliver water through an anti-bacterial PVC pipe connected to a water tank (sold separately). Individual drinker cups catch water beneath the nipples, helping prevent birds from getting wet and keeping the manure tray drier.
- Comfortplast™ Elliptical Flooring: Flexible polypropylene flooring provides a more comfortable standing and walking surface than conventional galvanized wire flooring. Its rust-proof construction also makes it a practical choice for a poultry grow-out environment.
- Improved Door Locking System: The upgraded door lock helps prevent birds from escaping during routine feeding, watering, and inspection.
- Expandable Stackable Design: Add grow-out layers as your production needs change. Cimuka grow-out pens can also be combined with compatible brooding and breeding cage layers to create a customized, tiered poultry housing arrangement.
Designed for Easier Poultry Grow-Out Management
Moving young birds out of the brooder is an important stage of poultry keeping. They need an appropriate space to continue growing before joining the adult flock. This Cimuka grow-out pen provides a dedicated intermediate housing option, with flooring designed for growing birds and 15 inches of headroom.
Its feeding, watering, and waste collection features also help keep daily maintenance organized. The red feed grills help reduce wasted feed, the enclosed drinker cups help keep birds dry, and the deep manure tray provides a convenient place to collect droppings. Together, these features make this grow-out cage a practical addition for poultry breeders, hatcheries, homesteaders, and farmers managing multiple groups of growing birds.
Specifications
- Brand: Cimuka
- Model: GL40-03-TA
- Product Type: 15-inch grow-out pen layer addition
- Material: Polypropylene (PP Plastic)
- Flooring Design: Comfortplast™ elliptical flooring
- Internal Layer Dimensions: 35.8" L x 17.3" W x 15" H
- Assembled Unit Dimensions: 38.6" L x 23.6" W x 19" H
- Box Dimensions: 39" L x 24" W x 6" H
- Product Weight: 20 lb
- Feeding Trough Capacity: Approximately 6.5 lb of feed
- Watering System: Three steel nipple drinkers with individual drinker cups
- Assembly: Required
- Recommended Location: Indoors or in an enclosed shelter
- Suitable Birds: Chickens, quail, pheasants, partridge, ducklings, goslings, young turkeys, and other game birds
Capacity and Bird Size Guide
The number of birds a grow-out pen can accommodate depends on their breed and size. Check the manufacturer's weekly capacity chart before selecting your setup to make sure you choose an appropriate configuration for your birds.
View the Full Weekly Grow-Out Pen Capacity Chart (PDF)
View the Cimuka GL40-03-TA Capacity Guide
Need a different configuration? Browse all our Grow-Out Pen Models to compare available sizes and setups.
Know Before You Buy
- Layer Addition Only: This product is an additional grow-out pen layer, not a complete standalone housing setup.
- Not Included: Water tank, supporting frame, and wheels are sold separately or are not included with this layer addition.
- Water Supply: A compatible water tank is required to supply the automatic nipple drinking system.
- Assembly: Assembly is required.
- Installation Location: Recommended for indoor use or an enclosed shelter.
- Bird Capacity: Weekly capacity varies according to bird breed and size. Refer to the manufacturer's capacity chart before purchasing.
- Expandable Setup: Additional compatible layers can be purchased to expand your grow-out arrangement.
Product Support and Assembly Guide
Need help identifying parts or putting your grow-out pen together? Refer to the manufacturer's product support documentation for assembly instructions, parts information, and additional guidance.
Free Ground Shipping Over $100
Excludes XL Feather Pluckers, HB & T Series incubators & applies to the contiguous United States only.
Most products ship in 2 to 5 business days. During the busy spring season, incubators may ship in 5 to 30 days as they sell quickly. Secure your incubators today!
The costs for freight shipping below:

Shop today!
Why Buy From Gone Broody?
Real help. Practical guidance. No high-pressure sales pitch.
Gone Broody was built for customers who want more than a product page and a Buy Now button. We specialize in poultry products, from everyday flock supplies and incubation equipment to chicken coop kits, fully assembled coops, and large custom builds.
More importantly, we actually help you sort through the options. We’ll talk through your flock, your property, your goals, and your budget and help you find the product that makes the most sense for how you actually keep chickens.
We’d rather help you buy the right thing than the most expensive thing.
Real Help From People Who Know the Products
Some purchases are simple. Others involve sizing, customization, site preparation, delivery, setup, or choosing between several very different products. That’s where knowledgeable customer service matters.
Ask questions. Send us a sketch. Tell us what you’re worried about. If a simpler option works better, we’ll tell you. If we think you’re about to outgrow something, we’ll tell you that too.
More Choices. Better Guidance.
Because Gone Broody works with multiple builders, brands, hatcheries, and specialty suppliers, we aren’t limited to recommending one manufacturer’s solution. We can help you compare different styles, materials, sizes, features, and price points and find the best match for your flock.
No high-pressure sales pitch. No forcing every customer into the same product. Just practical, knowledgeable help finding what works for you.
Bird Cages & Stands For Sale
- Description
- Shipping
- Why Buy from Us
Cimuka 15-Inch Grow-Out Pen Layer Addition | GL40-03-TA
Need more room for your growing birds? The Cimuka 15-Inch Grow-Out Pen Layer Addition (GL40-03-TA) gives you a practical way to expand your poultry grow-out capacity without replacing your existing setup. Designed for growing chickens, quail, pheasants, partridge, ducklings, goslings, young turkeys, and other game birds, this stackable grow-out pen provides 15 inches of internal headspace, dedicated feeding and watering systems, and flexible flooring for birds transitioning from the brooder to their next stage of housing.
Everyday grow-out management involves more than providing enough space. Feed waste, wet birds, droppings, and uncomfortable flooring can all create additional work. This Cimuka poultry grow-out pen addresses these concerns with enclosed nipple drinker cups, a removable feeding trough with red feed grills, Comfortplast™ elliptical flooring, and a deep manure tray. As a layer addition, it also gives you the flexibility to expand your poultry operation as your flock grows.
Key Features
- 15-Inch Internal Headspace: Provides growing poultry with room during the transition from brooding to adult housing. Suitable for rear pullets, quail, pheasants, partridge, ducklings, goslings, young turkeys, and other game birds.
- Deep Removable Manure Tray: Collects droppings beneath the birds for more convenient waste removal. Keeping accumulated manure out of the birds' immediate living space makes routine cleaning and hygiene management easier.
- Feed-Saving Grill System: Includes shock-proof red feed grills that sit over the removable feeding trough. The grills help limit feed flinging and spillage, keeping more feed where your birds can reach it. The trough holds approximately 6.5 pounds of feed.
- Automatic Nipple Drinking System: Three steel nipple drinkers deliver water through an anti-bacterial PVC pipe connected to a water tank (sold separately). Individual drinker cups catch water beneath the nipples, helping prevent birds from getting wet and keeping the manure tray drier.
- Comfortplast™ Elliptical Flooring: Flexible polypropylene flooring provides a more comfortable standing and walking surface than conventional galvanized wire flooring. Its rust-proof construction also makes it a practical choice for a poultry grow-out environment.
- Improved Door Locking System: The upgraded door lock helps prevent birds from escaping during routine feeding, watering, and inspection.
- Expandable Stackable Design: Add grow-out layers as your production needs change. Cimuka grow-out pens can also be combined with compatible brooding and breeding cage layers to create a customized, tiered poultry housing arrangement.
Designed for Easier Poultry Grow-Out Management
Moving young birds out of the brooder is an important stage of poultry keeping. They need an appropriate space to continue growing before joining the adult flock. This Cimuka grow-out pen provides a dedicated intermediate housing option, with flooring designed for growing birds and 15 inches of headroom.
Its feeding, watering, and waste collection features also help keep daily maintenance organized. The red feed grills help reduce wasted feed, the enclosed drinker cups help keep birds dry, and the deep manure tray provides a convenient place to collect droppings. Together, these features make this grow-out cage a practical addition for poultry breeders, hatcheries, homesteaders, and farmers managing multiple groups of growing birds.
Specifications
- Brand: Cimuka
- Model: GL40-03-TA
- Product Type: 15-inch grow-out pen layer addition
- Material: Polypropylene (PP Plastic)
- Flooring Design: Comfortplast™ elliptical flooring
- Internal Layer Dimensions: 35.8" L x 17.3" W x 15" H
- Assembled Unit Dimensions: 38.6" L x 23.6" W x 19" H
- Box Dimensions: 39" L x 24" W x 6" H
- Product Weight: 20 lb
- Feeding Trough Capacity: Approximately 6.5 lb of feed
- Watering System: Three steel nipple drinkers with individual drinker cups
- Assembly: Required
- Recommended Location: Indoors or in an enclosed shelter
- Suitable Birds: Chickens, quail, pheasants, partridge, ducklings, goslings, young turkeys, and other game birds
Capacity and Bird Size Guide
The number of birds a grow-out pen can accommodate depends on their breed and size. Check the manufacturer's weekly capacity chart before selecting your setup to make sure you choose an appropriate configuration for your birds.
View the Full Weekly Grow-Out Pen Capacity Chart (PDF)
View the Cimuka GL40-03-TA Capacity Guide
Need a different configuration? Browse all our Grow-Out Pen Models to compare available sizes and setups.
Know Before You Buy
- Layer Addition Only: This product is an additional grow-out pen layer, not a complete standalone housing setup.
- Not Included: Water tank, supporting frame, and wheels are sold separately or are not included with this layer addition.
- Water Supply: A compatible water tank is required to supply the automatic nipple drinking system.
- Assembly: Assembly is required.
- Installation Location: Recommended for indoor use or an enclosed shelter.
- Bird Capacity: Weekly capacity varies according to bird breed and size. Refer to the manufacturer's capacity chart before purchasing.
- Expandable Setup: Additional compatible layers can be purchased to expand your grow-out arrangement.
Product Support and Assembly Guide
Need help identifying parts or putting your grow-out pen together? Refer to the manufacturer's product support documentation for assembly instructions, parts information, and additional guidance.
Free Ground Shipping Over $100
Excludes XL Feather Pluckers, HB & T Series incubators & applies to the contiguous United States only.
Most products ship in 2 to 5 business days. During the busy spring season, incubators may ship in 5 to 30 days as they sell quickly. Secure your incubators today!
The costs for freight shipping below:

Shop today!
Why Buy From Gone Broody?
Real help. Practical guidance. No high-pressure sales pitch.
Gone Broody was built for customers who want more than a product page and a Buy Now button. We specialize in poultry products, from everyday flock supplies and incubation equipment to chicken coop kits, fully assembled coops, and large custom builds.
More importantly, we actually help you sort through the options. We’ll talk through your flock, your property, your goals, and your budget and help you find the product that makes the most sense for how you actually keep chickens.
We’d rather help you buy the right thing than the most expensive thing.
Real Help From People Who Know the Products
Some purchases are simple. Others involve sizing, customization, site preparation, delivery, setup, or choosing between several very different products. That’s where knowledgeable customer service matters.
Ask questions. Send us a sketch. Tell us what you’re worried about. If a simpler option works better, we’ll tell you. If we think you’re about to outgrow something, we’ll tell you that too.
More Choices. Better Guidance.
Because Gone Broody works with multiple builders, brands, hatcheries, and specialty suppliers, we aren’t limited to recommending one manufacturer’s solution. We can help you compare different styles, materials, sizes, features, and price points and find the best match for your flock.
No high-pressure sales pitch. No forcing every customer into the same product. Just practical, knowledgeable help finding what works for you.
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