2016
DOI: 10.1590/1806-9061-2015-0154
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Abstract: Guinea fowl (Numida meleagris), breeder, eggshell color, hatchability. ABSTRACTThe objective of this study was to determine the effects of eggshell color of guinea fowl (Numida meleagris) eggs on eggshell quality and hatchery results.

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Cited by 16 publications
(21 citation statements)
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References 15 publications
(21 reference statements)
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“…Also, significant variations of shell colour expressed in CIELab indicators were determined depending on the evaluation term (p<0.01). Average values of L* (74.38) and b* (20.71) reported by Eleroğlu et al (2016) in the eggs of 42-week-old Guinea fowl were comparable to our results, but value of b* (4.61) was lower. Shell coloration in brown laying hens is a process influenced by a housing system, hen age, hen strain, diet, stressors, and certain diseases, as reviewed by Samiullah et al (2015).…”
Section: Tab1 Egg Weight and Shell Quality Traits (M ± Se)supporting
confidence: 86%
“…Also, significant variations of shell colour expressed in CIELab indicators were determined depending on the evaluation term (p<0.01). Average values of L* (74.38) and b* (20.71) reported by Eleroğlu et al (2016) in the eggs of 42-week-old Guinea fowl were comparable to our results, but value of b* (4.61) was lower. Shell coloration in brown laying hens is a process influenced by a housing system, hen age, hen strain, diet, stressors, and certain diseases, as reviewed by Samiullah et al (2015).…”
Section: Tab1 Egg Weight and Shell Quality Traits (M ± Se)supporting
confidence: 86%
“…It was observed that major rainy season recorded significantly higher values of egg weight followed by minor rainy season and lowest in the dry season. Egg weight was similar to those recorded by Konlan et al [22] in Northern Ghana and [6] in Botswana. Sloan and Harms [31] have shown that oestrogen and progesterone levels positively correlated with hen-day egg production in pearl Guinea fowls during major rainy seasons in the tropics.…”
Section: Effect Of Season On Production and Reproductive Traitssupporting
confidence: 88%
“…Fertility and hatchability values were similar to those reported earlier [11,20]. Egg weights were better than earlier reports of 38 g, [19,12], 39.99 g [22] and were similar to 40-45 g [20]. This contradicts the earlier findings of Boon, et al (1997) who attributed increased feed intake in birds as a result of photoperiod differences, as longer photoperiod determines the periods in which birds' daily activities and feeding can occur and has major effect on feed intake.…”
Section: Effect Of Day Length On Production and Reproductive Traitssupporting
confidence: 87%
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