Abstract
Abstract The aim of this study was to evaluate the effect of the inclusion level of crude glycerin from palm oil in the diet of growing pigs. Diets were formulated to be isocaloric and isoproteic, with a constant content of linoleic acid within the experimental diets. A total of 36 pigs (average BW 23.05± 2.86 kg) were randomly assigned to one of the three treatments: 1) 0% of crude glycerin; 2) 5% of crude glycerin; 3) 10% of crude glycerin. Pigs were housed in 12 pens; 4 replicates (pens) per treatment and three pigs/replicate. Data were analyzed as a complete block design using the GLIMMIX procedure of SAS, with a random block effect for period. This study established that inclusion of crude glycerin from palm oil in the diet of growing pigs did not affect (P > 0.05) growth performance, carcass characteristics and meat quality. We concluded that inclusion of crude glycerin from palm oil up to 10% of the diet did not adversely affect pig performance and the quality of the meat.
Highlights
The biodiesel industry from fatty sources generates glycerin, a by-product that can be used as an excellent source of energy for growing pigs
This study evaluated the effect of the inclusion level of crude glycerin from palm oil (PO) in the diet of growing pigs on growth performance, carcass characteristics, and meat quality
The level of PO crude glycerin in the diet, up to 10%, did not affect pig performance (P> 0.05) or feeding cost per kilogram of live pigs (P > 0.05)
Summary
The biodiesel industry from fatty sources generates glycerin, a by-product that can be used as an excellent source of energy for growing pigs. Several studies have revealed that the inclusion of crude glycerin up to 16% in isoenergetic and isoproteic diets for pigs has not affected performance, carcass characteristics and meat quality(2,6-10). This study evaluated the effect of the inclusion level of crude glycerin from palm oil (PO) in the diet of growing pigs on growth performance, carcass characteristics, and meat quality.
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