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Welcome to
Our Breeder's Blog
Our philosophy has always been "community over competition," and this space is a direct reflection of that belief. We created this blog to be a hub for shared knowledge, a place where we can do deep dives into the topics that matter most to ethical breeders—from health genetics and cattery management to the hard-won lessons of our own journey.
This is a space for ongoing learning and support. We're so glad you're here to learn with us.
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All Posts


Structural Biosecurity: Managing Upper Respiratory Pathogens in the Multicat Environment
Transition your program from reactive to preventative cattery management. Explore the clinical mechanics of viral shedding, structural environmental engineering for optimal air exchange, and strict fomite mitigation protocols to protect your multicat environment from upper respiratory pathogens.
Nathan and Jeanine Corley
3 days ago4 min read


The Forever Sofa: The Medical and Ethical Realities of Retiring a Breeding Cat
Retiring a foundational queen or stud requires clinical objectivity, not just emotional attachment. Explore the medical indicators for retirement, the physiological realities of the post-alter endocrine shift, and the ethical framework required to successfully place your retired Maine Coons onto their "forever sofas."
Nathan and Jeanine Corley
Oct 64 min read


Decoding the Genetic Architecture: Advanced Pedigree Analysis and Database Utilization
A certified pedigree is not merely a certificate of authenticity; it is a predictive genomic blueprint. Learn how to parse SBT and EMS nomenclature, audit clinical health data via PawPeds, and maximize TICA's TFMS to engineer a resilient, purpose-bred legacy for your cattery.
Nathan and Jeanine Corley
Sep 14 min read


The COI Conundrum: A Breeder's Guide to Inbreeding vs. Linebreeding
What is the actual, genetic difference between linebreeding and inbreeding? For ethical breeders, preserving breed type without compromising immunological health is a constant balancing act. Dive into the mathematics of the Coefficient of Inbreeding (COI), the historical impact of the Maine Coon "Clones," and how to use genomic data to protect your cattery's legacy.
Nathan and Jeanine Corley
Aug 45 min read


The Genetic Staircase: A Definitive Guide to Strategic Outcrossing and Linebreeding
To provide the best for the breed, you must master the Genetic Staircase: the sophisticated balance between linebreeding to fix the look, and strategic outcrossing to preserve the life. Explore the history of the Maine Coon foundation cats and learn how to audit your pedigrees for hybrid vigor.
Nathan and Jeanine Corley
Jul 75 min read


The Breeder Circle: Decoding the Forensic Map of a Pedigree
For the preservation breeder, a pedigree is not a family tree—it is a forensic map of biological debt and assets. Learn how to decode the genetic grid, identify historical leakage, and audit the clinical data to build a structurally and immunologically sound cattery.
Nathan and Jeanine Corley
Jun 95 min read


The Perfect Nursery: A Step-by-Step Guide to Your Whelping Space
A successful delivery doesn't happen by accident; it is the direct result of meticulous preparation. Learn how to construct a professional, high-performance whelping environment optimized for safety, strict biosecurity, and critical neonatal development using a NICU-level approach.
Nathan and Jeanine Corley
May 275 min read


The Heart of the Breeding Program: A Deep Dive into Advanced Cardiac Health
DNA testing is only 50% of the puzzle. Discover the comprehensive "Two-Pillar" cardiac protocol—including Vertical Pedigree audits, the "Gray Zone" of heart measurements, and why your medical screening is the engine of your legacy.
Nathan and Jeanine Corley
Feb 124 min read


Temperament is Paramount: A Deep Dive into Behavioral Genetics
Temperament isn't just about how you raise a kitten; it’s a biological blueprint that begins in the womb. Discover the science of the "Golden" Maine Coon personality, from the epigenetics of maternal stress to the "Recovery Rate" test. Learn why protecting the nervous system of your foundation cats is just as critical as protecting their heart health.
Nathan and Jeanine Corley
Feb 25 min read


Unveiling the Breed Standard: A Breeder’s Guide to the Maine Coon
You can't improve what you can't measure. Go beyond the "fluff" and learn how to read a Maine Coon like a professional preservationist. From the "Rule of One Ear Width" to the "Rectangular Body," this is your blueprint for conformation.
Nathan and Jeanine Corley
Jan 195 min read


Beyond Beauty: How to Select Your Foundation Queen or King
Choosing your first foundation cat is a high-stakes decision. Discover the professional secrets to "breeding the breeder," analyzing 3-generation health data, and identifying the mothering instincts that will define your cattery's success.
Nathan and Jeanine Corley
Jan 55 min read


Welcome to the PalicoCoons Breeder's Circle
Welcome to the Breeder's Circle. We are still fairly new to breeding, and without a mentor, we have learned so much the hard way. That experience is the entire reason we built this site. This is our commitment to being the resource we wished we had. Here, we'll share everything we've learned through our cornerstone guides on cattery health and finances, and continue to grow right alongside all of you.
Nathan and Jeanine Corley
Sep 28, 20253 min read
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