Abstract
ABSTRACT: This study was developed to examine the effect of using charru mussel-, maçunim- and oyster-shell meals as calcium sources on the productive performance, carcass yield and bone parameters of meat quail. A total of 250 one-day-old non-sexed European quail were used. The birds were distributed into five treatments (calcium sources: calcitic lime, calcium carbonate, charru mussel shell meal, maçunim shell meal or oyster shell meal) in a completely randomized design with five replicates and ten birds per experimental unit. Feed intake, weight gain and feed conversion were evaluated from one to 35 days. At 35 days, two birds with the average weight of the plot were slaughtered per plot and used for analysis of carcass yield and bone parameters. There were no significant differences (P > 0.05) in feed intake, weight gain, feed conversion, carcass yield or tibia dry matter content, ash content and strength. The charru mussel-, maçunim- and oyster-shell meals can be used as calcium sources in the diet of European quail without affecting their productive performance, carcass yield or bone mineralization.
Highlights
Quail farming is a promising activity due to the rapid growth, early development and high egg productivity of the species, as well as low investment and rapid financial return (PASTORE et al, 2012; BARROS JÚNIOR et al, 2020)
This study was developed to investigate the effect of using charru mussel, maçunim- and oystershell meals as calcium sources on the productive performance, carcass yield and bone parameters of meat quail
The use of the organic calcium sources tested had no adverse effect that could negatively interfere with the performance of the quail
Summary
Quail farming is a promising activity due to the rapid growth, early development and high egg productivity of the species, as well as low investment and rapid financial return (PASTORE et al, 2012; BARROS JÚNIOR et al, 2020). This study was developed to investigate the effect of using charru mussel-, maçunim- and oystershell meals as calcium sources on the productive performance, carcass yield and bone parameters of meat quail. The experimental diets were composed as follows: calcitic limestone (CLS) = BD + CLS; calcium carbonate (CCB) = BD + CCB; charru mussel shell meal (CSM) = BD + CSM; maçunim shell meal (MSM) = BD + MSM; and oyster shell meal (OSM) = BD + OSM (Table 2).
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