ORIGINAL PAPER
Utilization of δ-aminolevulinic acid for livestock: blood characteristics and immune organ weight in broilers
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Department of Animal Resource and Science, Dankook University, No. 29 Anseodong, Cheonan, Choongnam, 330-714, South Korea
 
 
Publication date: 2008-04-08
 
 
Corresponding author
I. H. Kim   

Department of Animal Resource and Science, Dankook University, No. 29 Anseodong, Cheonan, Choongnam, 330-714, South Korea
 
 
J. Anim. Feed Sci. 2008;17(2):215-223
 
KEYWORDS
ABSTRACT
A study was conducted to evaluate the effects of δ-aminolevulinic acid (ALA) on blood characteristics and immune organ weight in broilers. One-day-old broiler chicks were randomly assigned to one of four dietary treatments with six replicates of 20 chickens each. Treatments were basal diet supplemented with 0, 5, 10 and 15 mg/kg ALA. The two-phase experimental diets were formulated to meet the NRC requirements for chicks and fed for 5 weeks. Growth performance was not affected by supplementation of ALA during any of the experimental periods. Blood cell counts (WBC, RBC and lymphocyte), serum total protein, albumin, iron concentrations, and total iron binding capacity (TIBC) were also not influenced by dietary treatments. Haemoglobin concentration tended to increase with an increased ALA supplementation level (linear effect; P<0.10). Dietary ALA addition did not influence liver weight. However, spleen and bursa of fabricius weights were increased with the increased ALA supplementation level (linear effect; P<0.05). The current data indicate that supplementation of ALA in commercial broiler diets could partly improve haemoglobin concentration and immune organ weights, without influencing growth performance and other blood characteristics of broilers.
 
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Effects of dietary supplementation with delta-aminolevulinic acid on growth performance, hematological status, and immune responses of weanling pigs
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Effects of dietary delta-aminolevulinic acid and vitamin C on growth performance, immune organ weight and ferrum status in broiler chicks
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Effects of δ-aminolevulinic acid and vitamin C supplementation on iron status, production performance, blood characteristics and egg quality of laying hens
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Dietary supplementation of delta-aminolevulinic acid to lactating sows improves growth performance and concentration of iron and hemoglobin of suckling piglets
S LEE, T LI, I KIM
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11.
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Animals
 
ISSN:1230-1388
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