EVALUATION OF THE PRODUCTIVE PERFORMANCE OF BROILER CHICKENS FED DIFFERENT COMMERCIAL FORMULATIONS
DOI:
https://doi.org/10.64385/JJXR6262Keywords:
Poultry production, Economic diets, Highperformance dietsAbstract
This study evaluated the effect of four commercial diets on the productive performance
of Cobb 500 broiler chickens during a 35-day cycle in Juayúa, Sonsonate. A completely
randomized design with four treatments and four replicates was implemented, and
the data were analyzed using ANOVA and Tukey’s test. The treatments compared
formulations from two manufacturers: Feed Concentrates plants from Colón (PCO)
and San Salvador (PSS), evaluating high-performance versus economical lines: Diet
A (High performance, PCO), Diet B (Economical, PCO), Diet C (High performance,
PSS), and Diet D (Economical, PSS). The results showed that Diet A had the best feed
efficiency, with a significantly lower conversion rate (ICA 1.49; p < 0.05) compared
to Diet D (1.78) and Diet B (1.60). No statistically significant differences (p > 0.05)
were observed in weight gain at the start or end of the trial; however, on days
21 and 28, the high-performance diets (A and C) outperformed Diet D. Although
cumulative mortality showed no statistical differences (p > 0.05), Diet D reached
a critical zootechnical value (12.80%). The profitability analysis validated that Diet
A was the most efficient option, achieving the lowest production cost ($0.93/lb.
live weight) and highest net margin (6.98%), in contrast to Diet D, which generated
financial losses. In conclusion, Diet A provided the most favorable results, offering
evidence to support technical decisions based on regional nutritional efficiency
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