Performance Of Meat-Type Ducklings On Different Levels Of Feed Restriction
Ebenezer T. Parilla
Abstract:
Body weights were reduced when ducklings were subjected to restricted
feeding. However, no significant differences in body weights were obtained
among treatments at 9 weeks old. The average fasted weights, uneviscerated
weights, carcass weights (with and without giblets), and dressing percentages
as well as the percentage of cut-up parts such as thighs, drumsticks, wings, neck,
tail-back and rib-back were not significantly affected by feed restriction. How
ever, the breasts of fully-fed ducklings were heavier and had higher percentage
values than those of the restricted ducklings. Feed restriction also did not
statistically influence the weights and percentage values of the giblets, head,
blood, shanks and intestines. Highest returns-above-feed-and-duckling-costs can
be derived when ducklings are marketed at 6 weeks of age. Ducklings whose
feeds were restricted had higher returns-above-feed-and-duckling-costs than
the fully-fed ducklings at later stages.
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