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Originally Posted by pstinard From this table, the biggest pro's are reduction of pyometra (score of +100) and mammary neoplasias (breast cancer; +24). The biggest cons are urinary incontinence (-66), surgical complications (-20), obesity (-14), and CCL rupture (-11). Surprisingly, the biggest negative effect was the chance of urinary incontinence. Based on the numerical scores, overall, the pro's outweigh the cons. Note that this table is for female dogs overall, and is not broken down by size or breed. |
I forgot to mention that the pro's for neutering male dogs greatly outweigh the cons, the biggest pro being the reduction of benign prostatic hypertrophy (+368).