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Table 5 Effect of YEFECAP as a protein source in concentrate mixtures on milk production, milk composition and economic return

From: Development of feeding systems and strategies of supplementation to enhance rumen fermentation and ruminant production in the tropics

Items Treatments SEM Contrasts
  T1 T2 T3 T4   L Q C
Production         
  Milk yield, kg/d 13.5 14.0 14.5 15.0 0.27 ** ns ns
  3.5% FCM1, kg/d 13.7 14.7 15.9 17.1 0.49 ** ns ns
Milk composition, %         
  Protein 4.0 4.1 4.5 4.7 0.17 ** ns ns
  Fat 3.2 3.3 3.4 3.5 0.06 ** ns ns
  Lactose 4.5 4.6 4.6 4.7 0.07 ns ns ns
  Solids-not-fat 8.2 8.4 8.4 8.5 0.29 ns ns ns
  Total solids 12.3 12.7 12.8 13.0 0.78 ns ns ns
  Milk urea N, mg/dL 14.8 12.5 12.3 12.0 0.58 * ns ns
Economic return, $US/hd/d         
  Feed cost 2.5 2.6 2.6 2.7 0.14 ns ns ns
  Milk sale 9.5 9.8 10.2 10.5 0.19 ** ns ns
  Profit 7.0 7.2 7.6 7.8 0.16 ** ns ns
  1. Source: Wanapat et al. [27].
  2. ns, non-significance.
  3. Level of replacement of soybean meal (SBM) by YEFECAP: at 0% (T1), 33% (T2), 67% (T3), 100% (T4).
  4. Feed cost: concentrate T1, 0.38 $US/kg, T2, 0.37 $US/kg, T3, 0.37 $US/kg, T4, 0.35 $US/kg, ULRS, 0.07 $US/kg, Milk price, 0.7 $US/kg.
  5. L, linear, Q, quadratic, C, cubic, SEM, standard error of the means; * P<0.05; ** P<0.01.