Home-cage measurements(Observe the animals from outside the cages, taking care not to agitate them. Do not touch the animals.) 1) Body position: Choose the word from the following list that best describes the animal's posture (classification).
S (sitting or standing): Sitting or normally standing A (asleep): lying on side curled up or crouching R (rearing): Standing on hindlimbs H (hunchback): Back is rounded, even when walking, and animal appears to be holding stomach L (lying): Lying on side, limbs in air F (flattened): Animal is spread out with abdomen pressed to floor C (catalepsy): Animal is in a cataleptic-like state; may be 1 of a variety of postures, but animal must maintain an unnatural posture Note: Only an assessment of S, A or, if of a mild degree, R is considered normal.
2) Respiration: Choose the item from the following list that best describes the rate and extent of breathing (score).
1: Normal 2: Slightly incomplete/fast and shallow, bradypnea (breathing either fast and shallow or slow) 3: Moderately incomplete/rapid breathing, difficulty breathing (breathing very fast and shallow or very shallow and labored in appearance) 4: Severely incomplete/wheezing, breathing with mouth open (wheezing or breathing with mouth open) 5: Weak breathing (breathing very little) 3) Clonic involuntary movement: Choose the applicable item from the following list (score). 1: None/normal 2: Repetitive mouth/jaw motion 3: Twitching of limb, auricles or head 4: Generalized tremors 5: Clonic seizure 6: Trembling
4) Tonic involuntary movement: Choose the applicable item from the following list (scored).
1: None/normal 2: Extending contraction (limb or limbs extends and becomes rigid) 3: Sudden jumping (all limbs come off floor) 4: Tonic extending convulsion 5: Tonic convulsions seen with respiratory distress, seizure or death
5) Vocalization: Check for spontaneous vocalization. Choose the applicable item from the following list (scored).
1: No vocalization/normal 2: Vocalization noted
6) Palpebral closure: Choose the item from the following list that best describes the closure of the animal's eyes within the cage (scored).
1: Open 2: Slightly sagging/half shut (eyelids slightly lowered) 3: Shut (eyelids are closed)