Influence of time and phenotype on salivary Fel d1 in domestic shorthair cats.

Linear mixed-effects model analyses Salivary Fel d1 levels in relation to time and/or experimental factors The first saliva collection was performed in the morning, and there was a significant trend in both group 1 (β = −1.08, P <0.001) and group 2 (β = −1.76, P <0.001) for higher Fel d1 levels in the morning than in the afternoon ( Figure 2a,b ).

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Could a cat’s physical attributes – such as sex, coat color or body size – be related to their salivary Fel d1 levels? Sex ( P = 0.08) or coat color ( P = 0.06) seemed close to significance in group 1 (27 cats), but these trends were not found in group 2 (37 cats).

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