However, in this cohort, there was no statistically significant difference in the overall cancer incidence rate in male or female dogs that underwent early gonadectomy before 1 year of age compared with sexually intact dogs (data not shown). (cebp.aacrjournals.org)
Prepubertal gonadectomy in the domestic feline: Effects on skeletal, physical and behavioral development. (felinefixbyfive.org)
The effects of prepubertal gonadectomy on skeletal, physical, and behavioral development are similar to those seen in animals that are neutered at a more traditional age. (spayneuterclinics.net)