In this episode of The Dairy Health Blackbelt Podcast, Gaurav Dutta, Graduate Research Assistant at the University of Connecticut, explains how genomics is improving female fertility traits in dairy cattle. He discusses low-heritability challenges, new measurable traits, and how heat stress affects reproduction and production. Get practical insights on genetic evaluation systems and future opportunities. Listen now on all major platforms!

"Female fertility traits present low heritability and are heavily influenced by management and environmental conditions, making genetic improvement challenging within modern dairy production systems."

Meet the guest: Gaurav Dutta is a Ph.D. candidate at the University of Connecticut specializing in dairy cattle genomics, quantitative genetics, and transcriptomics. With a veterinary background and research experience in fertility traits and heat stress, his work focuses on improving genetic evaluations for dairy production systems.

Read the full research articles here:

Foundational Review of U.S. Female Fertility Trait Evaluations

Genetic parameters and genomic predictions for milk yield by season in US Holsteins: Assessing genotype by environment interactions under heat stress in Texas and Wisconsin

PSXIV-6 Comparison of Changes in Snp Effects and Gebv Using Different Training Populations in Simulated Data

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What you will learn:

• (00:00) Highlight
• (00:49) Introduction
• (01:47) Fertility traits
• (02:09) Low heritability
• (03:02) Phenotypic trends
• (03:59) Trait evaluation
• (05:42) New trait
• (07:58) Closing thoughts

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