Skip to main content

Advertisement

Table 3 Growth performance of pigs fed experimental diets

From: Amino acid fortified diets for weanling pigs replacing fish meal and whey protein concentrate: Effects on growth, immune status, and gut health

Items FM-WPC1 FM-AA2 WPC-AA3 AA4 SEM P value
n 8 8 8 8   
Age, d 22.1 22.7 23.3 22.5 0.6 NS5
Body weight, kg       
Initial 6.50 6.53 6.54 6.38 0.57 NS
Wk 1 7.30 7.74 7.96 7.65 0.58 NS
Wk 2 8.70 9.46 9.52 9.20 0.66 NS
Wk 3 11.07 11.83 11.87 11.50 0.66 NS
Wk 4 15.11 15.85 15.69 16.04 0.87 NS
ADG, g       
Wk 1 114.3b 172.6a 202.7a 182.0a 15.2 0.031
Wk 2 200.1 246.5 223.3 221.4 19.9 NS
Wk 3 338.8 338.3 336.3 328.1 26.1 NS
Wk 4 576.1 574.6 545.4 648.0 44.1 NS
Wk 1 to 4 307.3 333.0 326.9 344.9 14.1 NS
ADFI, g       
Wk 1 198.5 235.0 240.4 237.2 15.4 NS
Wk 2 303.0 318.5 326.4 325.0 16.7 NS
Wk 3 539.9 538.7 566.1 524.4 22.9 NS
Wk 4 1,106.1 1,106.6 1,109.1 1,168.2 33.5 NS
Wk 1 to 4 525.6 539.5 556.0 563.7 11.5 NS
Gain:feed       
Wk 1 0.562b 0.730a 0.836a 0.774a 0.045 0.008
Wk 2 0.664 0.766 0.681 0.684 0.044 NS
Wk 3 0.634 0.625 0.595 0.625 0.044 NS
Wk 4 0.566 0.551 0.514 0.565 0.055 NS
Wk 1 to 4 0.592 0.618 0.590 0.614 0.026 NS
  1. 1FM-WPC: a control diet with fish meal and whey protein concentrate.
  2. 2FM-AA: a diet with fish meal and amino acids replacing whey protein concentrate.
  3. 3WPC-AA: a diet with whey protein concentrate and amino acids replacing fish meal.
  4. 4AA: a diet with amino acids replacing both fish meal and whey protein concentrate.
  5. 5NS: not significant (P > 0.10).
  6. a-bMeans lacking a common superscript are differ within a row (P < 0.05).