SPLASH!® milk science update: March 2020 Issue

This month’s issue features dairy and PMS, milk sugars and bone stunting, climate-friendly herds, and human milk microbes.

PMS Symptoms Improve with Daily Recommended Dairy Intake

PMS Symptoms Improve with Daily Recommended Dairy Intake

Dairy foods are probably best known for their beneficial effects on bone health. But the same vitamins and minerals from dairy that help to build and maintain strong bones—calcium, phosphorus, magnesium, zinc, and riboflavin—may also have a positive influence on the symptoms of pre-menstrual syndrome (PMS). Expanding on previous research that found as association between increased calcium intake and decreased risk of PMS symptoms, a new paper from a team of Turkish researchers suggests the suite of micronutrients provided by dairy may be successful at alleviating both the emotional and physical symptoms of PMS. Read More...

How Human Milk Oligosaccharides Can Influence Bone Biology

How Human Milk Oligosaccharides Can Influence Bone Biology

Undernutrition is a pressing global health challenge and contributes to the deaths of more than three million children under the age of five every year. Children who are considerably shorter than the median for their age are defined as stunted, and so far, nutritional interventions have been mostly unsuccessful at reducing stunting. Read More...

How to Breed Climate-Friendly Dairy Herds

How to Breed Climate-Friendly Dairy Herds

When methane emissions that contribute to global warming are blamed on cows, they should, more precisely, be blamed on the microorganisms that live inside them. It stands to reason, therefore, that in seeking ways to reduce methane emissions from the dairy and beef industries, researchers’ primary target should be cows’ microbiomes. In line with this perspective, a group of researchers with teams in four countries recently carried out a detailed analysis of the microorganisms living in the rumens of different herds and breeds of cattle. These researchers have identified a population of bacteria, protozoa, anaerobic fungi and archaea that consistently form the core population of the rumen microbiome. By linking microbiome components to phenotypes such as methane emissions, they propose the establishment of microbiome-led breeding programs as a means to make livestock farming more climate-friendly. Read More...

Feeding Method Affects Human Milk Microbes

Feeding Method Affects Human Milk Microbes

It seems counterintuitive that breastmilk would be anything but sterile—human infants have a naïve and immature immune system and their first food should be free of potential pathogenic organisms, right? But study after study demonstrates that milk indeed contains microbes. Precisely where these microbes originate and how they make their way into human milk, however, is still being worked out. There are two, non-mutually exclusive hypotheses to explain their origins: one argues that milk microbes originate from the mother’s gut and are passed to the mammary gland (entero-mammary translocation) and the other that bacteria from the infant’s oral cavity move back into the mammary gland and influence the types and quantities of bacteria passed via milk (retrograde inoculation). Because not all milk microbes are equally beneficial for the infant, finding support for one or both of these hypotheses offers the potential of modifying the milk microbiome in ways that could improve infant outcomes. Read More...

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