In any case of house soiling it is important to consider medical differentials before embarking on a purely behavioural assessment of the problem. Any condition which affects gastrointestinal or urinary tract function is a potential candidate for involvement in cases of inappropriate elimination and a full medical examination is therefore essential. Conditions which result in polydipsia and polyuria may also be implicated when urine deposits are found
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in unusual locations and endocrine disorders should be considered when investigating these cases. Any medical condition which alters the cat’s mobility may limit its ability to gain access to latrines, and conditions which alter the animal’s cognitive ability or sensory perception may also contribute to a breakdown in previously well-established house training. Organic disease may also be a factor in cases of undesirable marking behaviour.
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===Emotional Factors===
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In situations of both marking and elimination behaviour within the home, it is important to assess the cat’s emotional status and to attempt to identify any triggers for alteration in that status. Perception of threat either from within or outside the home is commonly associated with the onset of marking behaviour but it is also important to remember that cats that are feeling threatened and insecure may be reluctant to use litter facilities that are positioned in vulnerable locations or that pose difficulties for the cat in terms of competition with other feline household members. In general, it is the insecure and timid
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feline that is more likely to present with problems of marking behaviour and individuals that do not cope well with change in their environment are going to be predisposed to the use of urine deposits that are designed to increase home security. In addition, cats that are living in a hostile social environment, where there is underlying tension between feline housemates, may use marking behaviour in an attempt to increase distance between them and to avoid overt
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physical confrontation. Therefore, an assessment of the compatibility between cats in the household is an important part of the investigation process. Likewise, the relationship between the cat and the owner should be considered and questions about the owner’s reaction to the discovery of deposits within the home should be included in the consultation. It is perfectly understandable for people to find it unacceptable that their pet is depositing urine or faeces within their home but the use of punitive techniques may be a factor in perpetuating the behaviour and confirming the cat’s perception that the house is no longer a secure core territory.