Our results indicated that in an 800 cow herd, the incorporation of grazeable CFS into the farm system in association with pastures (30:70) had the potential to: i) reduce walking distances of large AMS herds by 1.
Risk and opportunities of grazeable complementary forage system
7 t DM/ha, as 'high') and 2 rates of grazeable CFS (0, 30%) were investigated.
Impact of grazeable complementary forage system on walking distance and milking interval, milk yield and economic loss
However, the greatest impact of introducing grazeable CFS in the large herd AMS farming system can occur by increasing the consumption of HGF, which could significantly improve farm profitability.
Overall, our results showed that neither pasture nor CFS would allow large AMS herds (600 or 800 cows) to be grazed within 1-km distance of the dairy if 50% of the diet was to be generated through grazeable feed although increased proportion of CFS decreased land area requirements and hence maximum and average walking distances.
Farm areas and stocking rate of cows required for different herd sizes managed in moderate and high pasture utilisation system with different rates of grazeable complementary forage rotation (CFR) in automatic milking system Pasture CFR Stocking Farm areas % home grown feed utilisation (%) rate required (ha) produced on farm (cow/ha) (1) Herd size (n) Herd size (n) 400 600 800 400 600 800 Moderate 0 4.
Total grazeable simulated yields from soybean-based rotations were 22.
As a consequence of the limited number of simulated grazings of sorghum (particularly in late sowings) combined with the late sowing of forage rape-ryegrass, total simulated grazeable forage yields were 19.
There were two common features of grazeable forage supplies in all rotations.