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Research articles

Milk production and urinary nitrogen excretion of dairy cows grazing plantain in early and late lactation

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Pages 470-482 | Received 01 Jun 2017, Accepted 10 Aug 2017, Published online: 28 Aug 2017

Figures & data

Table 1. Mean herbage characteristics and chemical composition (±SEM) of pasture, plantain or 50–50 pasture–plantain sampled to ground level.

Table 2. Apparent intake of dairy cows grazing pasture, plantain or 50–50 pasture–plantain in autumn and spring and water intake in spring (±SEM).

Table 3. Mean herbage mineral composition (% DM) bioactive glycoside (mg/g dry DM) (±SEM) of pasture, plantain or 50–50 pasture–plantain sampled to ground level.

Table 4. Mean milk yield and composition (n = 12) of dairy cows grazing perennial ryegrass-white clover pasture, plantain or 50–50 pasture–plantain.

Table 5. Mean urine and faecal N characteristics (n = 12) and urine volume and urination frequency of dairy cows grazing perennial ryegrass-white clover pasture, plantain or 50–50 pasture–plantain.

Table 6. Mean urine purine derivative (PD) concentrations (mmol/L) of dairy cows (n = 12) grazing perennial ryegrass-white clover pasture, plantain or 50–50 pasture–plantain.

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