Dr. Emmanuel Fontaine, DVM

Queen Fertility and Heat Cycle Resources

Science-backed articles on the feline estrous cycle, ovulation, and timing a mating that actually takes.

Why Does Your Queen Keep Missing Cycles?

Queens do not bleed, and a single mating triggers ovulation only about half the time. Here is how the feline estrous cycle really works and how to time breeding around it.

How Many Times Can a Cat Get Pregnant?

How many litters can a queen safely carry? A clear look at feline fertility, sensible breeding limits, and why quality outlasts quantity.

Body Condition Score: How Does It Affect Breeding?

Body condition drives fertility, litter size, and neonatal health in both dogs and cats. Practical fixes to get your female into breeding shape.

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Why Does Your Queen Keep Missing Cycles?

Queens do not bleed, and a single mating triggers ovulation only about half the time. Here is how the feline estrous cycle really works and how to time breeding around it.

Why Your Dog Cat Feeding Timeline Is Backwards

When you feed matters as much as what you feed. How body condition and feeding timing shape fertility and litter outcomes in dogs and cats.

Is Progesterone Testing About to Go Blood-Free?

New saliva, app, and wearable options aim to replace the blood draw for progesterone testing, the test that pins down ovulation timing in dogs and cats.

Body Condition Score: How Does It Affect Breeding?

Body condition drives fertility, litter size, and neonatal health in both dogs and cats. Practical fixes to get your female into breeding shape.

How Many Times Can a Cat Get Pregnant?

How many litters can a queen safely carry? A clear look at feline fertility, sensible breeding limits, and why quality outlasts quantity.

The 3 Surprising Markers Boosting Breeding Success

Three overlooked markers quietly shape breeding success in dogs and cats. How to read them before you plan a mating.

Melatonin Magic: Transforming Cat Heat Management?

Can melatonin give you control over a queen’s heat cycle? A look at the science of managing feline estrus and seasonal anestrus.

The #1 Cause of Infertility in the Feline Species

The single most common reason feline matings fail to produce kittens, and what it means for how you manage your queen.

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Next stage

Once she has conceived, the next chapter begins: confirming pregnancy, feeding the pregnant queen, and preparing for the kittens.