Your milk check isn’t just a number, it reflects cow health, herd management, and genetics. Producers often point to above-average components, low SCC, and residue-free milk as hallmarks of quality.¹ These traits are more than “nice to have,” they drive milk quality and directly influence your pay. The good news? You can influence all three through strategic genetic selection, routine testing, and proactive management.
Genetics and components
Genetics play a major role in producing above-average fat and protein levels and the Herd Health Profit Dollars® (HHP$®) index helps you make decisions that matter most for the market. Compared to other popular indexes, HHP$ has a more modern and balanced weighting for components, putting greater emphasis on protein, which reflects the growing demands of processors and consumers. It also prioritizes mastitis resistance and SCC. Not only does mastitis hinder milk quality, but it ranks among one of the top reasons cows leave your herd, making it fiscally prudent to select genetics to protect against it.
Low-SCC milk
Low-SCC is essential for protecting both milk quality and your milk check. Routine DHI testing allows you to track SCC trends over time, identify high-risk cows for targeted testing, and monitor how management strategies are performing.
Monthly bulk tank screenings with Mastitis PCR testing complement DHI by establishing a farm-specific baseline for pathogen levels. With these benchmarks, you can spot changes early and adjust protocols before problems escalate.
The type of mastitis testing you choose should match the situation. When you bring in fresh cows or heifers, Pooled Contagious 3 testing can catch contagious pathogens before they spread. If your bulk tank SCC rises or clinical mastitis cases increase, using Pooled Complete 16 testing on high-SCC cows provides a zoomed-in snapshot of pathogens, guiding treatment and management decisions. By combining these approaches, you maintain vigilance across the herd while keeping testing practical and targeted.
Managing contagious and environmental pathogens
Some pathogens spread rapidly in the parlor, while others point to environmental or management issues. Contagious pathogens such as Staph aureus, Strep ag, and Mycoplasma bovis can move quickly between cows. Strep ag responds well to early treatment, but Staph aureus and Mycoplasma often require segregation or culling to protect the herd.
Environmental pathogens including Streptococcus, Enterococcus, Klebsiella, and E. coli thrive when bedding, maternity pens, or alleys are not clean and dry, leading to higher SCC and new infections. Maintaining consistent hygiene, proper bedding management, and clean housing are key prevention strategies.
Other pathogens, like Prototheca and Pseudomonas, originate in water sources but can behave like contagious pathogens once they reach the udder, often causing chronic infections. Yeast is also appearing more frequently in herds with elevated SCC, typically linked to teat-end damage or inconsistent hygiene during intramammary procedures. Recognizing these risks and adjusting management practices accordingly helps you minimize chronic infections and protect herd health.
Bottom line
Your milk check tells the story of your herd and what it says matters. By combining routine DHI and mastitis testing with genetics focused on health and components, you can protect your cows, improve milk quality, and ensure the product you deliver is what processors and consumers value most.
Reference: ¹Progressive Dairy, https://www.agproud.com/articles/37632-what-is-quality-milk-it-s-at-least-low-scc
Author: Michelle Kaufmann, CentralStar Customer Solutions Advisor