Sheep T Maze
Large-scale T-maze apparatus for spatial learning and cognitive assessment in sheep, featuring integrated visual, auditory, and feeding stimuli with standardized trial protocols.
Louise Corscadden, PhD
Director of Science · ConductScience
Ask Louise about Sheep T Maze fit, setup, configuration, or quote prep.
Already working with us? Sign in to connect this with My Scientist.
Key Specifications
Full details →- Model fit
- Sheep
- SKU family
- ME-8801
- Sizing
- Sheep: Mirror: 70x30cm
- Ordering
- Online checkout and quote request available
- Category
- Behavioral Mazes
- Build notes
- Confirm accessories, station layout, and support needs before purchase
The Sheep T Maze is a specialized behavioral apparatus designed for cognitive assessment and spatial learning evaluation in ovine subjects. This large-scale maze apparatus incorporates a comprehensive testing environment with integrated sensory stimuli including visual (mirror), auditory (loudspeaker), and feeding components to assess decision-making abilities, spatial navigation, and cognitive flexibility in sheep.
The apparatus features precise dimensional specifications with a 2 x 2 meter start box, 2-meter longitudinal corridor, and symmetrical 1.65 x 1.65 meter goal areas. The integrated 70 x 30 cm mirror exploits sheep visual discrimination capabilities and social recognition responses, while the loudspeaker system enables auditory cue presentation for multi-modal cognitive assessment protocols.
How It Works
The Sheep T Maze operates on established spatial learning principles where subjects must navigate from a start position through a central corridor to select between two goal arms based on learned associations. The apparatus exploits sheep's natural cognitive abilities including visual discrimination, spatial mapping, and social recognition to create controlled choice-based behavioral paradigms.
The integrated mirror system leverages sheep's inability to recognize their own reflection, typically interpreting it as an unfamiliar conspecific presence. This visual stimulus can modulate endocrine responses and influence spatial choices, allowing researchers to investigate the interaction between social perception and spatial cognition. The loudspeaker system enables presentation of auditory cues with breed-specific sensitivity considerations, as different sheep breeds demonstrate varying discrimination abilities for human versus conspecific vocalizations.
Trial protocols involve 20-second start box containment followed by guillotine door release, allowing subjects 5 minutes of exploration time to make spatial choices and interact with target zone equipment including feeders for reinforcement-based learning paradigms.
Features & Benefits
Sizes by model
| Measurement | Sheep |
|---|---|
| Size | Mirror: 70x30cm |
- Start Box Width: 2 meters
- Start Box Length: 2 meters
- T corridor Length: 2 meters
- T corridor Width: 0.8 meters
- T arm Length: 1.65 meters
- T arm Width: 1.65 meters
- Height: 1.4 meters
- Mirror: 70x30cm
Start Box Dimensions
- 2 x 2 m
Goal Box Dimensions
- 1.65 x 1.65 m (each side)
Mirror Dimensions
- 70 x 30 cm
Guillotine Door
- Present at start box intersection
Target Zone Equipment
- Mirror, feeder, and loudspeaker
Trial Duration
- 5 minutes exploration time
Start Box Holding Time
- 20 seconds
Acclimation Period
- 60 minutes in holding pen
Behavioral Construct
- Spatial Learning
- Spatial Memory
- Decision Making
- Cognitive Flexibility
- Visual Discrimination
- Working Memory
- Reference Memory
Automation Level
- manual
Species
- Sheep
Dimensions
- 4 m longitudinal arm x 0.7 m longitudinal arm, 0.8 m T-corridor arms x 1.4 m
Research Domain
- Behavioral Pharmacology
- Developmental Biology
- Learning and Memory
- Neuroscience
Compatible Tracking Software
- ConductVision
Shipping weight
- 21.0 lb
Shipping box
- L: 43.2 cm
- W: 38.0 cm
- H: 27.9 cm
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Subject Accommodation Size | 2 x 2 meter start box with 1.65 x 1.65 meter goal areas | Smaller apparatus designed for laboratory rodents with limited accommodation for large ungulate species | Enables natural movement patterns and spatial behavior assessment in ovine subjects without locomotion constraints. |
| Wall Height Specifications | 1.4 meter height throughout apparatus | Lower wall heights suitable for smaller species but inadequate for sheep containment | Provides secure containment while maintaining visual access for environmental cue presentation and researcher observation. |
| Integrated Sensory Stimuli | 70 x 30 cm mirror with loudspeaker and feeder systems | Basic maze structures with limited or no integrated stimulus presentation capabilities | Enables multi-modal cognitive assessment protocols without requiring additional external equipment installation. |
| Trial Duration Parameters | 5-minute exploration periods with 20-second holding times | Shorter trial durations appropriate for smaller species with different behavioral time scales | Accommodates sheep-specific behavioral patterns and cognitive processing requirements for meaningful spatial assessment. |
This apparatus provides species-appropriate spatial assessment capabilities for ovine subjects with integrated multi-modal stimulus presentation and standardized behavioral protocols. The large-scale design accommodates natural sheep locomotion while maintaining experimental control comparable to established maze-based paradigms.
Practical Tips
Verify guillotine door timing accuracy before each experimental session using stopwatch validation.
Why: Precise 20-second holding periods are critical for protocol standardization and behavioral consistency across trials.
Clean and disinfect all surfaces between subjects using appropriate veterinary-grade disinfectants.
Why: Prevents odor cue transfer between subjects that could influence spatial choice behavior through olfactory contamination.
Document environmental conditions including temperature, humidity, and ambient noise levels during testing sessions.
Why: Environmental factors can significantly influence sheep behavior and cognitive performance, affecting data interpretation.
Record subject body condition scores and nutritional status prior to reinforcement-based trials.
Why: Feeding motivation directly impacts spatial learning performance and choice behavior in food-reinforced paradigms.
If subjects show reluctance to enter maze areas, reduce ambient lighting and minimize human presence during acclimation.
Why: Sheep demonstrate neophobic responses to novel environments that can interfere with spatial learning assessment protocols.
Maintain clear emergency exit routes and have appropriate restraint equipment available during testing sessions.
Why: Large ungulate subjects require specific safety protocols to protect both animals and researchers during behavioral assessments.
Setup Guide
What’s in the Box
- Modular maze wall components (typical)
- Start box with guillotine door mechanism
- Goal area structures (2 units)
- Mirror assembly (70 x 30 cm)
- Feeder system components (typical)
- Loudspeaker mounting hardware (typical)
- Assembly hardware and fasteners (typical)
- Installation and protocol manual (typical)
Warranty
ConductScience provides a standard 1-year manufacturer warranty covering materials and workmanship defects, along with technical support for setup and protocol optimization.
Compliance
References
Background reading relevant to this product:
Protocol and background
Introduction
The sheep T-maze is used for evaluating cognitive behavior, decision-making ability, and spatial learning in sheep. The sheep T-maze is an adaptation of the T-maze that is used for studying memory and learning in rodents. The T-maze also includes sources of social and sound cues in the goal arm to stimulate cognition in subjects. The apparatus can be applied in different experimental scenarios ranging from pre-adolescent brain development to adult foraging strategies depending upon the use of reinforcements.
Sheep possess a fine visual discrimination ability between colors, objects, and individuals. In order to analyze the role of visual stimuli in spatial mapping and object recognition, the sheep T-maze is provided with a mirror. When sheep see themselves in the mirror, they consider their image as an alien that significantly decreases their endocrine level and influence their behavior to isolation (Franklin & Hutson, 1982). The behavior of sheep in response to audio cues varies among different species. For example, the Dalesbred breed was able to discriminate between human and sheep sounds whereas the Clun Forest breed could not distinguish among different audio cues in a discrimination task (Kendrick et al., 1995). In order to analyze the impact of audio cues on cognitive functions, the sheep T-maze is also provided with a sound source
The sheep T-maze is a T shaped apparatus consisting of a right and left arm. The longitudinal arm of the T-corridor is connected with a start box. The presence of the start box helps in reducing fear and stress in subjects due to novelty. The sound source delivers sound cue, whereas the mirror acts as social stimuli for the subjects in the target zone. Other T-mazes and their modifications used for testing of cognitive functions of different species include the rodent Y-maze, Pig T Maze, Zebrafish T Maze, Zebrafish Y Maze, and Salmon Y Maze.
Apparatus and Equipment
The T-maze consists of a 0.7 m wide and 4 m long longitudinal arm connected with a 2 x 2 m start box (isolation box) at one end. A guillotine door is present at the intersection of the start box and longitudinal arm of the T-corridor to control the subject movement. The opposite end of the arm divides into a right and left side giving it the 'T' shape. Each side of the T corridor is 0.8 m linked with a 1.65 x 1.65 m goal box on both sides. A specific area is designated in the left arm called the target zone. The target zone is provided with a 70 x 30 cm mirror, a feeder, and a loudspeaker. The overall height of the maze is 1.4 m.
Training Protocol
Keep the subjects in the holding pen for 60 min before entering the T-maze. Clean the apparatus thoroughly before starting the trial. Maintain the hygiene of the apparatus by removing any traces of urine or feces found during the trials to avoid any disturbance cues. Keep the temperature and humidity of the test room constant throughout the experiment. Perform the task in a soundproof environment. An external tracking and recording systems such as Noldus Ethovision XT can be used with the sheep T-maze for observing the sheep’ behavior.
Auditory Cued Based T-maze Task
Hold the subject in the start box for 20 sec. Once the subject leaves the start box and enters the T-corridor, close the guillotine door. Play the recorded sounds as the auditory clue. Record the time needed by each subject in reaching the target arm. Allow the subject to explore the T-maze for 5 minutes.
Effect of periconceptional undernutrition on fetal brain development
Abecia et al. (2014) investigated the effect of periconceptional undernutrition on the reproductive cycle of the ewes and cognitive behavior of their offspring. Fertile Rasa Aragonesa ewes were maintained on diets that either met 1.5 times the daily requirement (controls, 0.8 kg barley straw and 0.55 kg pellets) or 0.5 time the daily requirement (low diet, 0.5 kg barley straw and 0.10 kg pellets) for 7 days. The reproductive performance of ewes was analyzed by evaluating the following reproductive parameters: fertility, prolificacy, fecundity, and pregnancy length. The low diet provided up to the 7th day of pregnancy caused a marked decrease in fecundity and prolificacy. The fertility rate in low diet group was also 10% less than the control group. The offspring of ewes from these two groups were used as subjects for different behavioral tests. For behavioral testing, lambs undertook an isolation test to assess stress and fear in novel environments. The isolation test results revealed that the lambs born from control group ewes spent more time walking, whereas the lambs from low diet group ewes found mostly standing. Novel object test was also performed on the same subjects. The test revealed no difference in both groups’ performances. The cognition and memory test was conducted in the sheep T-maze with sound and social cues. Lambs from undernourished dams displayed reduced physical activity as observed by the less number of areas covered in the T-maze. However, no significant performance difference could be observed in comparison to controls.
Evaluation of T-maze learning in weanling lambs
Johnson, Stanton, Goodlett, and Cudd (2012) evaluated the learning and memory abilities of weanling lambs of Suffolk ewes in a series of T-Maze tasks. These tasks included matching-to-place (MTP), non-matching-to-place (NMTP), position habit (PH), and position habit reversal (PHR). The T-maze allowed the subjects to choose between the two arms based on memory. Results from different tasks revealed that lambs showed improved performance during NMTP training (with an increased correct choice percentage from 48% to 95%) whereas a significant decrease in the number of correct choices was observed during MTP training. The percentage of correct responses increased from 60% to 100% during PH training without NMTP. The percentage of correct responses dropped to 0% on day 1 and significantly increased to 88% by day 5 in PHR training.
Data Analysis
Following parameters can be calculated by using sheep T-maze
- Latency to leave the start box
- Time spent in reaching target arm
- Number of areas traversed
- Time spent in the right arm
- Time spent in the left arm
Strengths and Limitations
Strengths
The sheep T-maze is a simple and time-efficient apparatus. It is highly adaptable according to the need of the experiment. The start box allows reduction of stress-induced by novelty and thus minimizes its effect on task performances. The addition of the guillotine door enables control of movement and introduction of delays into the task. The apparatus can be modified for use in advance research protocols by introducing positive and negative reinforcements. The presence of a sound source for auditory cue and mirror as a social cue motivate the subjects to present complex cognitive behaviors. The sheep T-maze does not require subject training prior to performing an experiment. It is a versatile apparatus and can be applied for a wide range of analytical procedures.
Limitations
Handling of sheep is critical in using sheep T-maze. Mishandling may induce result in stress or fear in subjects during task performance. Presence of unnecessary olfactory or visual cues and other lingering stimuli may also impact subject performance; therefore, proper cleaning of apparatus is essential. Factors such as age, gender, and strain may also contribute to task behavior. It is critical to ensure that the temperature and humidity are kept constant during the trials in the sheep T-maze.
Summary
- The sheep T-maze is used to analyze the cognitive functions, social interaction, learning and memory behavior in sheep.
- The target arm of the sheep T-maze contains a sound source for auditory cues and mirror for providing the social cue.
- The simple yet versatile design of the T-maze allows the creation of different experimental scenarios.
- Factors such as age, gender, and strain of the species can significantly impact the task performance.
- Mishandling or overtraining may induce stress in subjects; therefore, proper handling is necessary.
Reference
- Abecia, J. A., Casao, A., Pascual-Alonso, M., Lobón, S., Aguayo-Ulloa, L. A., Meikle, A., Maria, G. A. (2014). The effect of periconceptional undernutrition of sheep on the cognitive/emotional response and oocyte quality of offspring at 30 days of age. Journal of Developmental Origins of Health and Disease, 5(2), 79–87.
- Franklin, J.R. and Hutson, G.D. (1982). Experiments on attracting sheep to move along a laneway. III. Visual stimuli. Animal. Ethology., 8: 457-478.
- Johnson, T. B., Stanton, M. E., Goodlett, C. R., & Cudd, T. A. (2012). T-Maze Learning in Weanling Lambs. Developmental Psychobiology, 54(8), 785–797. doi:10.1002/dev.20624
- Kendrick, K. M., Khia Atkins, R.Hinton, M., Broad, K. D., Fabre-Nys, C., & Keverne, B. (1995). Facial and vocal discrimination in sheep. Animal Behaviour, 49(6), 1665-1676. doi:10.1016/0003-3472(95)90088-8
Abecia, J. A., Casao, A., Pascual-Alonso, M., Lobón, S., Aguayo-Ulloa, L. A., Meikle, A., Maria, G. A. (2014). The effect of periconceptional undernutrition of sheep on the cognitive/emotional response and oocyte quality of offspring at 30 days of age. Journal of Developmental Origins of Health and Disease, 5(02), 79–87. doi:10.1017/s2040174414000051
From the Maze Engineers documentation for this apparatus.
What acclimation procedures are recommended before testing?
Standard protocol includes 60 minutes in holding pen prior to maze exposure, allowing subjects to adapt to testing environment and reduce stress-induced behavioral artifacts.
How does the mirror system influence spatial choice behavior?
Sheep typically fail to recognize their reflection, interpreting it as unfamiliar conspecific presence, which can modulate endocrine responses and influence goal arm selection through social behavioral mechanisms.
What breed-specific considerations affect auditory cue protocols?
Different breeds show varying auditory discrimination abilities; Dalesbred sheep can distinguish human versus sheep vocalizations while Clun Forest breeds demonstrate reduced discrimination performance, requiring protocol adjustments.
What is the maximum trial duration for spatial exploration?
Standard protocol allows 5 minutes exploration time following 20-second start box holding period, providing sufficient opportunity for spatial navigation and choice behavior assessment.
How should reinforcement schedules be structured for spatial learning protocols?
Consult behavioral literature for species-appropriate reinforcement ratios, as feeding motivation and reward sensitivity vary with nutritional status and individual behavioral profiles.
What data collection methods are compatible with this apparatus?
Manual observation, video recording systems, and timing protocols are suitable; automated tracking requires additional sensor installation not included with base apparatus.
Have a question about this product?
Have a question? Just ask.
Send it over and we'll email you a personalized answer — no call, no scheduling.
Prefer to talk it through?
