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Originally Posted by bjh  Just curious, how does that factor in? Mine girls are strictly house dogs and they have very regular heats. Of course they get sunshine through the windows but they don't go outside.
YorkieLover30's dog is having her first heat at 12 months so I doubt she had a silent heat prior to that. Most of my females have come in heat around 8 to 10 months for their first heat. |
Sun is a source of vitamin D and has very much to do with hormones.....it also, is a factor in the boys being sexually potent. I learned this through canine reproduction seminars and through my reproduction vet. Most animals, human and otherwise require sunshine...
It wasn't my intention to direct the post to you just adding on to yours.....and directed it at the OP