What is the age at which a neuter is used? 1) at 8 weeks of age of the dog 2) at 3-4 months of age of the dog 3) immediately after birth 4) none of the above is true. Prostaglandin... What is the age at which a neuter is used? 1) at 8 weeks of age of the dog 2) at 3-4 months of age of the dog 3) immediately after birth 4) none of the above is true. Prostaglandin is: 1) a protein hormone 2) a steroid hormone 3) a (specific) hormone 4) none of the above is true. Do castrating a male dog cat: 1) prevent prostatic tumors 2) promote prostatic tumors 3) have no effect 4) none of the above is true. Tumors of the mammary gland in bitches are: 1) mostly benign 2) mostly malignant 3) in 50% benign and in 50% malignant 4) none of the above is true. The effect of castration surgery in the bitch is hormone dominance of: 1) FSH 2) PGFM 3) PGE 4) none of the above is true. The luteotropic factor in the queen pregnancy is: 1) LH 2) relaxin 3) Prolactin 4) none of the above is true. The most important hormone for the initiation of the parturition is: 1) PGFM 2) PGE 3) PGF 4) none of the above is true. Tissue hormones include: 1) PGFM 2) estrogen 3) progesterone 4) none of the above is true. The following hormones are required for milk production in the bitch: 1) progesterone, estrogens, prolactin, oxytocin 2) prolactin only 3) oxytocin and prolactin 4) none of the above is true. Cholesterol is a source for the production in the body of: 1) PGFM 2) estrogen and progesterone 3) progesterone 4) none of the above is true. Read more