What question did this study set out to answer?

To evaluate the long-term impact of thrice-daily milking on unilateral milk yield, milk composition, and mammary gland tissue growth in goats.

October 10, 1985Quarterly Journal of Experimental PhysiologyOpen Access

The Effects of Long‐term Thrice‐daily Milking on Milk Secretion in the Goat: Evidence for Mammary Growth

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Authors

AHAlan J. HendersonScottish Environment Protection Agency DBDavid R. BlatchfordUniversity of Strathclyde MPM. PeakerNHS Ayrshire and Arran

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Implication

Controlled study demonstrates that thrice-daily milking boosts milk yield through mammary tissue growth in goats, indicating local control of udder development.

Key Points

To evaluate the long-term impact of thrice-daily milking on unilateral milk yield, milk composition, and mammary gland tissue growth in goats.
Monitored goats milked twice daily for 2–4 weeks postpartum, followed by 9 months where the right gland was milked thrice daily and the left gland twice daily.
Tracked milk yield, lactation persistency, milk composition (electrolytes, lactose, protein, citrate, fat, calcium), and post-sacrifice mammary tissue weight at 40 weeks.
Thrice-daily milking produced a 30% higher total milk yield and a 29% higher peak yield in the right gland relative to the left, with the difference peaking at 10 weeks and no difference in persistency.
Milk composition showed no significant differences between the two glands for Na+, K+, Cl-, lactose, protein, citrate, fat, or calcium.
At 40 weeks, right gland milk yield was 43% higher and tissue weight was 34% higher, showing that greater gland mass accounted for over 75% of the yield difference.

Cite This Study

Henderson et al. (1985) studied this question.

synapsesocial.com/papers/6a1c14b5ea84844e355f6adf https://doi.org/10.1113/expphysiol.1985.sp002942

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Implication

Controlled study demonstrates that thrice-daily milking boosts milk yield through mammary tissue growth in goats, indicating local control of udder development.

The Effects of Long‐term Thrice‐daily Milking on Milk Secretion in the Goat: Evidence for Mammary Growth

Discussion

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Implication

Key Points

Cite This Study

The Effects of Long‐term Thrice‐daily Milking on Milk Secretion in the Goat: Evidence for Mammary Growth

Discussion

Member takes

Implication

Key Points

Cite This Study

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