Rockhill Mastiffs

Rockhill Mastiffs Breeder of big, beautiful English Mastiffs - these gentle giants are members of our family ♡
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02/02/2025

My daughter sent us this video while house-sitting… turns out she didn’t get the memo to BYOC (Bring Your Own Chair)! 😆

Pupdate! Rosie knows how to keep her human grounded—literally!
01/27/2025

Pupdate!

Rosie knows how to keep her human grounded—literally!

01/26/2025

We LOVE getting updates on our puppies! 🥰🥰

Pupdate! Maisey 8 mths

"A Canadian standoff 😂 Momma has been stomping at Maisey for 10 mins trying to get her to move so they can continue up their path. Maisey sitting here not understanding. Baby in the background learning how to stomp 😍"


Yup 😏
01/25/2025

Yup 😏

Old problems?? What old problems?? 😁
01/23/2025

Old problems?? What old problems?? 😁

So get four.

01/23/2025

When the snoring competition gets so intense I can’t even hear the TV! Who do you think is winning—Team Morgan or Team Boden? 💤 😆

Life with Mastiffs is never quiet, but it’s always entertaining!!

01/20/2025

Pupdate! Mack

🥰🥰🥰

"Mack just loves the snow! Although he digs until he sees grass and then moves to another spot. He definitely got his exercise today!"

Pupdate! "Guess who graduated today from her puppy class?!💕💕"    🎓           ♡
01/18/2025

Pupdate!

"Guess who graduated today from her puppy class?!💕💕"

🎓 ♡

Pupdate! Billi and her BFF have matching pajamas!! 🥰🥰
01/18/2025

Pupdate!

Billi and her BFF have matching pajamas!! 🥰🥰

Rainne completed her Puppy Life Skills class! Now on to level 2 🐾
01/14/2025

Rainne completed her Puppy Life Skills class! Now on to level 2 🐾

01/12/2025

Lazy Sunday afternoons 🥰
As soon as I put on the "relaxing music for dogs" on YouTube they're all out cold lol 💤💤

Pupdate!"Pearl won't let Rowynn out of her sight. They have a pretty strong bond"
01/12/2025

Pupdate!

"Pearl won't let Rowynn out of her sight. They have a pretty strong bond"

Pupdate! Pearl - almost 14mths!"Pearl has become quite the lap dog" 🥰I can see so much of Boden in Pearl and at other ti...
01/12/2025

Pupdate! Pearl - almost 14mths!

"Pearl has become quite the lap dog" 🥰

I can see so much of Boden in Pearl and at other times I see Morgan. One thing for sure she's growing into a beautiful, big girl ❤️

01/11/2025

Beautiful sunny day for a drive 😎


If your Mastiff puppy is around 6 months old, it’s time to start preparing for her first heat cycle! While some girls st...
01/09/2025

If your Mastiff puppy is around 6 months old, it’s time to start preparing for her first heat cycle! While some girls start their heat as early as 6 months, others may not come into heat until 15-16 months. Every dog is different, so keep an eye out for signs that she’s entering this important stage of development.

What to Expect:

Heat cycles last about 2-3 weeks but the first one can be even longer, up to 4 weeks

Look for swelling of the v***a, a slight bloody discharge, and behavioral changes.

Some girls, like our Morgan, become very affectionate and clingy during their cycle, craving constant attention. Others may start off irritable with other dogs but become quite obsessive for attention (especially toward males) as the cycle progresses.

How to Prepare:

Doggy Diapers: Essential for keeping your home clean and your pup comfortable. Choose ones designed for large breeds. Make sure to give them time without the diaper as some dogs can develop a UTI if left in it too long. Our Morgan was pretty good to keep herself clean and we found we only needed to use them in the beginning when it was heavier.

Hygiene Supplies: Pet-safe wipes make clean-ups a breeze.

Extra Supervision: Male dogs will take notice, so make sure your girl is safely supervised to avoid accidental breeding. Believe me if there's a way they will figure it out! And they can smell them miles away so don't even let her outside for a minute unattended. It is often better if you can separate them in different ends of the house or even better, maybe a friend or family member can take one until she's completely done her cycle. It can be very stressful for your male, they typically won't eat and will pant non stop. Our Boden lost just over 10 pds the last time! 😬

Here's a link that might be helpful: https://www.petmd.com/dog/general-health/dog-in-heat

Every girl’s heat cycle is unique but with a little preparation you’ll both handle this phase with ease!

Have questions or tips? Share them in the comments below!

01/08/2025

Daddy's home!!

01/06/2025

Flashback Mar'22

Nothing melts my heart like the sound of newborn puppies nursing. Morgan was an amazing first-time mom and those precious moments were so rewarding. I truly miss it! 🥲❤️

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Renfrew, ON

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