Short Communication: Temporal Changes in the Skin Morphology of Dairy Cows During the Periparturient Period

    April 2018 in “ Journal of dairy science
    Banri Suzuki, Toshie Sugiyama, Chikako Yoshida, Toshihiko Nakao
    TLDR Dairy cows' skin and hair follicles change size and growth phase around the time they give birth.
    The study observed temporal changes in the skin morphology of 7 pluriparous dairy cows during the periparturient period. Hair follicle width decreased from 108.8 ± 5.9 µm in the dry period to 95.5 ± 5.5 µm at 28 days postpartum, then increased to 104.2 ± 5.3 µm at 56 days postpartum. The percentage of anagen hair follicles was highest in the dry period (41.4 ± 3.4%) and lowest at 28 days postpartum (18.5 ± 3.4%). Sebaceous gland size followed a similar pattern. Despite these changes, overall skin morphology parameters remained stable, indicating that the cows' nutritional state during the periparturient period did not significantly affect their skin morphology.
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