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Optimising feed utilization with guanidinoacetic acid
Reducing limitations in intracellular energy metabolism and improving the cellular energy homeostasis can maximize the feed utilization efficiency in broilers. Optimising the creatine stores by supplementing guanidinoacetic acid (Creamino) can maximize performance, a study shows.
BY ALZCHEM C 800
ould you improve the profitability of production by adding Creamino on top of an application or ener- gy-saving effect? And would this make a valuable contribution to reducing the impact of currently
skyrocketing feed prices on the production cost of broilers? The objective of a study conducted on the experimental farm of the company Italcol in Santander, Colombia, was to evaluate whether the supplementation of guanidinoacetic acid (GAA) on top of or together with an energy matrix helps to improve or equalize productive and economic parameters in broilers. The study at Italcol lasted for 35 days and included 1088 Ross 308 AP one-day-old male chicks with an initial weight of 42.5 ± 1.05 grams. The broilers used were divided into 4 treatments with 8 repetitions of 34 chickens per treatment. The experimental design was completely randomized. The treatments were: Control based on breeder’s recommenda- tions; Negative control (-80 kcal during starter and fattening phases); Control +0.06% Creamino (GAA on top); and Nega- tive control +0.06% Creamino (GAA matrix). The feeding was divided into 3 phases: A pre-starter, a starter and a fattening phase. The following production figures were evaluated: live weight, feed consumption, feed conversion and European Efficiency Index (EEI).
Economic efficiency Overall, the results indicated that on day 35, when we com- pared the group supplemented with 0.06% GAA and an ener- gy matrix of 80 kcal with the control group, we found that the GAA matrix group had gained 21 grams more per chicken, scored 2 points less in feed conversion and showed a 2% im- provement in EEI. When we compared the group supple- mented with 0.06% added GAA with the control group, we
Control 2,0 ab 1,5 1,0 0,5 0,0 Control
500 480 460 440 420 400 380 360 340 320 300
Negative control GAA on top
European Efficiency Index 480
461 438 468 GAA matrix 1,43 a 1,46 b 1,39 b 1,41 Negative control FCR, g/g GAA on top GAA matrix
Figure 1 – Growth performance and economics. 2800
Body weight, grams 2300 1800 1300 2265 2198 2324 2286
Control
Negative control
GAA on top
GAA matrix
* Control group received energy based on breeder’s recommendations; Negative Control: the energy was reduced by 80 kcal, GAA on top: as Control group + 0.06% GAA; GAA matrix: Negative Control + 0.06% GAA. Statistically different figures are marked with superscripted letters, p < 0.05
found that the GAA group gained 59 grams more per chicken, scored 4 points less in feed conversion and showed a 4% im- provement in EEI. In conclusion, the use of GAA, matrixed at 80 kcal and in addition, improves productive and economic efficiency in broilers at 35 days of age.
▶ POULTRY WORLD | No. 7, 2022 21
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