08 Mar 2022
Fetal programming is an important aspect in high yield dairy cows. In cows, fetal development in early stages is influenced by exogenous factors such as:
In recent decades, milk production has increased, partly due to improvements in cow feeding and, in part, due to genetic selection of cows with greater milk yields. These in turn, breed offspring that manage to exceed maternal production (Berry et al., 2008).
| Due to the effect of fetal programming, development will not be the same for an individual bred in an environment with an adequate supply of nutrients, than that of a fetus whose mother is producing high volumes of milk or has poor nutrition |
Berry et al. (2008) suggest that prenatal conditions experienced by the bovine fetus could affect the animal’s productive performance and health as an adult.
Figure 1. Milk production curve
It has been described that the morphogenesis of the mammary gland begins during fetal development and continues during puberty, pregnancy and successive lactations with their involutions (Rijnkels et al., 2010). These morphogenic changes can be affected by the conditions faced by the fetus inside the womb (Berry et al., 2008).
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