Pregnancy & Calving

Bull Fertility and AI Technique: The Small Details That Move Conception RateSemen handling, inseminator habits and sire choice are cheap places to find conception points.
Calving Day: Close-Up Cows, Dystocia and Knowing When to Call the VetA calf is born every few hundred days to every cow in the herd. What normal looks like, when to step in and how to protect the heifer, the calf and the people.
Estrus Synchronization Protocols for Holsteins: A Practical ComparisonOvsynch, Presynch, Double Ovsynch and heat-based programs compared on timing, workload and fit.
Heat Stress and Fertility: Protecting the Embryo Before and After BreedingSummer heat damages eggs weeks before breeding and embryos days after it, so the defense has to start early.
Managing the Repeat Breeder Cow: A Systematic Approach to a Frustrating ProblemBefore blaming the cow, audit the program: most repeat breeders are subfertile, not sterile.
Transition Management and Longevity: Why the First 60 Days MatterWhat happens around calving echoes through the lactation and often decides how long a Holstein stays in the herd.
Twinning Rate and 305-Day Production: The Genetic Relationship Every Breeder Should UnderstandTwinning is rare, mostly environmental and only weakly tied to milk yield genetically, but it is costly when it happens.