Effective Environmental Enrichment for rodents leads, to the medical advancements in people.


Introducing a Better, Cleaner, Nesting Enrichment Additive.

Enhanced Environmental Enrichment

ALPHA-nest appeals to rodents’ natural behavior of nest building. It’s long cotton fibers allow for easy shredding and manipulation.

Unparalleled Cleanliness

ALPHA-nest is very clean because it is manufactured from 100% bleached cotton staple fibers to exacting standards.

Helps with Grinding Issues

The hard nature provides rodents with food grinding problems a distraction so grinding decreases.

Low dust levels

Extremely long, 100% cotton staple fibers eliminate the potential for airborne dust after shredding.

Labor Savings

Fully precut which allows for easy dispensing. Each sheet is less than1/16 thick, so they fit through wire lids, which results in labor cost savings.

Eliminates Limb Entanglement

Do not contain threads, commonly found in similar products that cause any sort of entanglement.

Autoclavable & Irradiated

Available irradiated upon request.


ALPHA-nest is sold in 3” x 3” squares. They are packaged in sealed plastic bags within 2,000- count cartons.


Our Products

Not only do our products promote research integrity and enhance animal welfare, but they also are designed to assist our customers in operating an efficient and cost-effective research program. With a variety of options for bedding and enrichment, SSP offers everything you need for Excellence in the Cage.

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Why SSP?

Shepherd Specialty Papers has been family owned and operated for over 30 years, and we take pride in the unparalleled quality of our products, and our people. When you choose SSP, you are choosing award-winning products that are used in cutting edge studies by the largest research companies around the world.

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When you use bedding or enrichment products from SSP, you can be sure they’ve been subject to stringent standards through our Continuous Monitoring program. Let us show you what consistent, quality products look like for you and your animals. In-depth analysis reports for each of our products are available to all of our customers.

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