Can Cats Count?

Pisa, P. E. and C. Agrillo (2009). "Quantity discrimination in felines: a preliminary investigation of the domestic cat (Felis silvestris catus) " J Ethology 27(2): 289-293.

The ability to count, while complicated, is not limited to humans. The simplest form of this is being able to discriminate between two different quantities of objects, and this ability may enhance survival in different ways. Little work has been done on this area in cats. In this study, four pet cats were trained to discriminate between groups of two and three dots for a food reward. The investigators demonstrated that cats can learn how to distinguish between two groups of objects that differed only in number. Interestingly, they concluded that cats do not spontaneously use numerical information, but rather make use of visual cues to solve the task. [VT]
>> Journal Abstract

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Pisa, P. E. and C. Agrillo (2009). "Quantity discrimination in felines: a preliminary investigation of the domestic cat (Felis silvestris catus) " J Ethology 27(2): 289-293.

The ability to count, while complicated, is not limited to humans. The simplest form of this is being able to discriminate between two different quantities of objects, and this ability may enhance survival in different ways. Little work has been done on this area in cats. In this study, four pet cats were trained to discriminate between groups of two and three dots for a food reward. The investigators demonstrated that cats can learn how to distinguish between two groups of objects that differed only in number. Interestingly, they concluded that cats do not spontaneously use numerical information, but rather make use of visual cues to solve the task. [VT]
>> Journal Abstract

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Renal Dysplasia in a Norwegian Forest Cat

Aresu, L., R. Zanatta, et al. (2009). "Bilateral juvenile renal dysplasia in a Norwegian Forest Cat." J Feline Med Surg 11(4): 326-9.

Renal dysplasia is a kidney malformation made up of disorganized development of renal parenchyma due to abnormal differentiation. This condition leads to chronic renal failure in young animals. In addition to cats, renal dysplastic lesions have been found in dogs, cattle, horses, sheep, and humans. Renal dysplasia can be diagnosed only by histological examination of biopsy samples. The dysplasia can be unilateral or bilateral. In this case of a 5-month old Norwegian Forest cat, where the disease was bilateral, renal failure was the ultimate result. Kittens can often be clinically normal for extended periods of time; however, most of clinical signs are seen before 2 years of age. Feline renal dysplasia has been reported in fetal infections with panleukopenia virus. There are no reports of familial origins in feline renal dysplastic lesions. [VT]
>> PubMed Abstract

Related articles:
Greco, D. (2001). "Congenital and inherited renal disease of small animals." Vet Clin North Amer: Sm Anim Pract 31(2): 393-399.
>> PubMed Abstract

More on cat health: Winn Feline Foundation Library
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Aresu, L., R. Zanatta, et al. (2009). "Bilateral juvenile renal dysplasia in a Norwegian Forest Cat." J Feline Med Surg 11(4): 326-9.

Renal dysplasia is a kidney malformation made up of disorganized development of renal parenchyma due to abnormal differentiation. This condition leads to chronic renal failure in young animals. In addition to cats, renal dysplastic lesions have been found in dogs, cattle, horses, sheep, and humans. Renal dysplasia can be diagnosed only by histological examination of biopsy samples. The dysplasia can be unilateral or bilateral. In this case of a 5-month old Norwegian Forest cat, where the disease was bilateral, renal failure was the ultimate result. Kittens can often be clinically normal for extended periods of time; however, most of clinical signs are seen before 2 years of age. Feline renal dysplasia has been reported in fetal infections with panleukopenia virus. There are no reports of familial origins in feline renal dysplastic lesions. [VT]
>> PubMed Abstract

Related articles:
Greco, D. (2001). "Congenital and inherited renal disease of small animals." Vet Clin North Amer: Sm Anim Pract 31(2): 393-399.
>> PubMed Abstract

More on cat health: Winn Feline Foundation Library
Join us on Facebook

Read More