A few weeks define a lifetime

Dr. Martin Kake speaks about the importance of care and feeding of neonatal calves.

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A few weeks define a lifetime

Epigenetics, the understanding of how external or environmental factors in early development can have long-lasting effects on one's lifetime health, has been studied as a major factor in human disease and prevention for well over 30 years. These studies have shown that it's not only the genetic make-up of a person that determines if certain diseases develop (or not), but also the programming that happens after birth, in the first few weeks of life, that can shift the expression of genes in either positive or negative ways. Professor Martin Kaske explains that these epigenetic studies in humans can in fact be extrapolated to other mammals as well, including ruminants.

Professor Kaske believes that therefore for the dairy industry, the first several weeks of a calf's life are critical. Feeding intensity and colostrum supply have a huge impact on the health and performance of a dairy cow later on. He agrees with Dr. Fernando Soberon (of Trouw Nutrition) who says that when you see a calf, you should not really think of it as a calf, per se, but as a little cow. And that if you want a healthy and highly performing cow later in life, you must pay special attention to the care, feeding and nurturing of calves in their early days. The first four, six, even eight weeks of the life of the calf have tremendous importance in terms of securing the future health and productivity of the cow. Professor Kaske emphasizes the importance of this fact when he says that, "what you lose there, what you make wrong in that specific, sensitive period, cannot be restored by other tools later on." In other words, in addition to body weight, you simply can't compensate later for other performance parameters, such as lactation yields, if you don't ensure high levels of nutrition early on.

Until recently, without being aware of the impact of early life nutrition, farmers were mostly concerned with simply making sure that calves survived in the early weeks and didn't place significant emphasis on the impact of proper feeding levels on calf health in both the short and long term. Professor Kaske, however, foresees a future in which farmers will see the importance of the earliest weeks of life and will benefit from the positive epigenetic effects that boosting calf nutrition early on will have throughout the lifetime of the cow.

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