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Sucrose Preference Test Apparatus
SKU 4431/2
$3,290.00
IncludesStandard care
Multi-chamber behavioral testing apparatus for assessing anhedonia and hedonic behavior in laboratory rodents through sucrose preference protocols.
CE MarkedBAA available
Scientist guidance
Louise Corscadden, PhD
Director of Science · ConductScience
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Key Specifications
Full details →- Model fit
- Mouse, Rat
- SKU family
- 4431/2
- Sizing
- Mouse: Width of chambers 10 cm · Length of chambers 24 cm; Rats: Width of chambers 13.3 cm · Length of chambers 31.9 cm
- Ordering
- Online checkout and quote request available
- Category
- Anxiety & Depression Tests
- Build notes
- Confirm accessories, station layout, and support needs before purchase
The Sucrose Preference Test Apparatus is a standardized behavioral testing system designed to assess anhedonia in rodent models. The apparatus consists of a rectangular black polyethylene housing with 10 equal-sized chambers, each equipped with two liquid diet feeding tubes for simultaneous presentation of sucrose solution and water. Opaque black walls separate individual chambers to eliminate visual contact between subjects, preventing social interference during testing sessions.
This apparatus supports the sucrose preference test protocol, a widely used method for evaluating hedonic behavior and depression-like phenotypes in laboratory rodents. The test exploits rodents' natural preference for sweet solutions, where reduced sucrose consumption relative to water intake indicates anhedonic behavior. Available in species-specific dimensions for both mice and rats, the system accommodates simultaneous testing of multiple subjects, improving experimental throughput and standardization of testing conditions.
How It Works
The sucrose preference test operates on the principle that rodents exhibit innate preference for sweet solutions over plain water. Under normal conditions, laboratory rodents will consume significantly more sucrose solution than water when given free choice access to both options. This behavioral preference reflects intact hedonic processing and reward sensitivity mechanisms mediated by dopaminergic pathways in the brain.
Anhedonia, characterized by diminished interest in pleasurable stimuli, manifests as reduced sucrose preference relative to baseline or control measurements. The apparatus facilitates standardized measurement by providing controlled access to both solutions simultaneously while eliminating confounding variables such as social interaction. Consumption ratios are calculated by measuring fluid intake from each bottle, with anhedonic animals showing decreased sucrose preference scores (typically calculated as sucrose consumption divided by total fluid intake).
The testing protocol typically involves habituation periods, baseline measurements, experimental manipulations (such as chronic stress exposure or pharmacological treatments), and repeated preference testing. The opaque chamber walls and individual housing design ensure that each animal's choice behavior reflects individual hedonic state rather than social influences or observational learning from cage mates.
Features & Benefits
10 equal-sized individual chambers
Enables simultaneous testing of multiple subjects, improving experimental throughput and reducing inter-session variability.
Opaque black wall separation
Eliminates visual contact between subjects, preventing social influences on individual choice behavior and ensuring independent measurements.
Species-specific chamber dimensions
Provides appropriate spatial accommodation for both mice and rats, ensuring comfortable movement and natural feeding behavior.
Black polyethylene construction
Offers durable, easy-to-clean surfaces that resist staining and maintain consistent testing conditions across multiple experiments.
Transparent polyethylene covers
Allows continuous visual monitoring of subjects while maintaining secure containment during testing sessions.
Dual feeding tube system per chamber
Facilitates simultaneous presentation of test and control solutions with standardized positioning for consistent choice measurements.
0.5 cm wall thickness
Provides structural stability and acoustic isolation to minimize external disturbances affecting animal behavior.
Rectangular modular design
Optimizes laboratory space utilization while maintaining standardized testing conditions across all chamber positions.
Sizes by model
| Measurement | Mouse | Rats |
|---|---|---|
| Width of chambers | 10 cm | 13.3 cm |
| Length of chambers | 24 cm | 31.9 cm |
| Height of chambers | 13 cm | 17.2 cm |
Shipping weight
- 20.0 lb
Shipping box
- L: 50.0 cm
- W: 25.0 cm
- H: 27.0 cm
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Chamber Quantity | 10 individual chambers for simultaneous testing | Single chamber or 2-4 chamber systems are common | Higher throughput reduces testing time and improves experimental standardization across subjects. |
| Species Accommodation | Species-specific dimensions for both mice and rats | Many systems require separate units for different species | Single apparatus serves multiple species requirements, reducing equipment costs and storage needs. |
| Chamber Separation | Opaque black walls between chambers | Some systems use transparent or mesh separations | Complete visual isolation eliminates social influences on individual choice behavior. |
| Construction Material | Black polyethylene with 0.5 cm thickness | Varies by model, often thinner materials or different polymers | Durable construction withstands repeated cleaning cycles while providing acoustic dampening. |
| Monitoring Capability | Transparent polyethylene covers for visual observation | Some systems lack observation windows or use opaque covers | Enables continuous behavioral monitoring without disturbing subjects during testing sessions. |
| Feeding System | Two liquid diet feeding tubes per chamber | Standard water bottles or sipper tubes vary by manufacturer | Specialized feeding tubes provide consistent solution access and accurate consumption measurement. |
This apparatus combines high-throughput multi-chamber design with species-specific accommodations and complete visual isolation between subjects. The durable polyethylene construction and standardized feeding systems support reliable preference measurement protocols in behavioral research applications.
| Model | Size | SKU | Listed price | Status | Shipping box |
|---|---|---|---|---|---|
| Mouse | Width of chambers 10 cm · Length of chambers 24 cm · Height of chambers 13 cm | 4431/2 | $2,890.00 | Available | 50.0 x 25.0 x 27.0 cm |
| Rats | Width of chambers 13.3 cm · Length of chambers 31.9 cm · Height of chambers 17.2 cm | 4431/2 | $3,290.00 | Available | 50.0 x 25.0 x 27.0 cm |
Behavioral Pharmacology
Evaluating antidepressant efficacy by measuring changes in sucrose preference before and after drug treatment in rodent depression models.
Neuroscience
Assessing anhedonic phenotypes in transgenic mouse models of neuropsychiatric disorders to understand genetic contributions to reward processing deficits.
Anxiety and Depression
Quantifying hedonic behavior changes following chronic mild stress exposure as part of depression model validation protocols.
Addiction Research
Measuring baseline reward sensitivity and hedonic capacity in animal models prior to drug self-administration studies.
Aging Research
Investigating age-related changes in reward processing and hedonic behavior by comparing sucrose preference across different age cohorts.
Neurodegeneration
Monitoring anhedonic symptoms development in rodent models of neurodegenerative diseases as a behavioral endpoint measure.
Practical Tips
Calibration
Weigh all bottles before and after testing sessions using an analytical balance to ensure accurate consumption measurements.
Why: Precise volume measurements are critical for calculating reliable preference ratios and detecting subtle behavioral changes.
Maintenance
Replace feeding tubes periodically to prevent bacterial growth and maintain consistent flow characteristics.
Why: Contaminated or blocked tubes can create artificial preferences unrelated to hedonic state.
Best Practices
Randomize bottle positions and chamber assignments across testing sessions to eliminate positional bias effects.
Why: Systematic biases can confound preference measurements and reduce experimental validity.
Troubleshooting
Monitor for bottle leakage or blockages that could affect consumption measurements during testing periods.
Why: Mechanical issues can create false preference scores that do not reflect actual animal choice behavior.
Data Quality
Record environmental conditions and any behavioral observations during testing sessions for data interpretation.
Why: External factors can influence feeding behavior and help explain unexpected preference patterns.
Safety
Ensure proper ventilation around the apparatus and monitor animals for signs of distress during extended testing periods.
Why: Individual housing and restricted access to resources requires careful animal welfare monitoring.
Best Practices
Use consistent sucrose solution preparation methods and test solution palatability before each experimental series.
Why: Solution quality variations can introduce confounding variables independent of the experimental manipulation.
Calibration
Establish baseline preference measurements for each animal before experimental manipulations begin.
Why: Individual variation in baseline preferences allows for within-subject comparisons that improve statistical power.
Setup Guide
Unpack and Inspect Components
Remove the apparatus from packaging and verify all components including the main chamber unit, transparent covers, and feeding tube assemblies.
Position Chamber System
Place the apparatus on a stable, level surface in the testing room with adequate lighting and minimal external disturbances.
Install Feeding Tubes
Secure two liquid diet feeding tubes in each chamber, ensuring proper positioning for easy animal access and leak-free operation.
Prepare Test Solutions
Fill feeding tubes with appropriate concentrations of sucrose solution and water according to your experimental protocol requirements.
Calibrate Measurement System
Pre-weigh all bottles and record initial volumes to establish accurate consumption measurement baselines.
Conduct Habituation Sessions
Allow subjects to acclimate to the testing environment and bottle access for specified habituation periods before formal testing begins.
Initiate Testing Protocol
Place individual subjects in chambers with transparent covers and monitor for the designated testing duration according to experimental design.
What’s in the Box
- Sucrose Preference Test Apparatus main unit
- 10 transparent polyethylene chamber covers
- 20 liquid diet feeding tubes (2 per chamber)
- Assembly hardware and mounting brackets
- User manual and protocol guide
- Calibration and measurement templates (typical)
Warranty
ConductScience provides a standard one-year manufacturer warranty covering defects in materials and workmanship, with comprehensive technical support for setup and protocol optimization.
Compliance
ARRIVE Guidelines 2.0Supports standardized reporting of animal behavior experiments through controlled testing conditions and reproducible methodology.
Guide for Care and Use of Laboratory AnimalsFacilitates behavioral testing protocols that align with animal welfare standards for laboratory rodent research.
Good Laboratory Practices (GLP)Enables standardized behavioral assessment procedures required for regulatory submission studies in pharmaceutical research.
Q
What is the Sucrose Preference Test?
A
The Sucrose Preference Test measures anhedonia - the reduced ability to experience pleasure - in rodents by comparing consumption of a sucrose solution versus plain water over a defined period.
Q
How does the Sucrose Preference Test work?
A
Animals are given simultaneous access to a bottle of sucrose solution and a bottle of water. The sucrose preference ratio (sucrose consumed / total fluid consumed) is calculated. Reduced preference indicates anhedonia, a core symptom of depression.
Q
What research applications use the Sucrose Preference Test?
A
The Sucrose Preference Test is a standard measure of anhedonia in chronic stress depression models, dopaminergic reward system studies, and antidepressant efficacy screening. It is non-invasive and requires no specialized training.
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What it measures
Sucrose Preference Test
- Sucrose Preference %
- Total Sucrose Intake
- Total Water Intake
- Total Fluid Intake
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Sucrose Preference Test Apparatus
$3,290.00
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