Effects of flock age, place of oviposition and cleaning treatments of hatching eggs on hatchability in broiler breeders

Perić, Lidija; Mitraković, Mirjana; Tomić, Biljana; Orehovački, Ivica; Meíjerhof, R.

doi:10.1016/j.japr.2022.100279

Cited by 4 publications

(2 citation statements)

References 25 publications

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“…Moreover, eggs may be colonized by the natural microbiota of hens (Damena et al 2022). Dust, feces, and cracked shells, even when still in closed packages, seem common fungal dissemination forms (Kulshreshtha et al 2022;Oliveira et al 2022;Perić et al 2022) depending on the microorganism nature and the egg storage environment. Eggshell cleaning methods, such as single wash or sanitization, have been extensively discussed in recent years regarding their effectiveness in eliminating pathogenic microbial loads, although this is a general practice.…”

Section: Discussionmentioning

confidence: 99%

Fungal profile of eggshells from commercial and free-range hens of a supermarket chain in Fortaleza, CE, Brazil

Mello,

Santos,

Silva

et al. 2024

Biosci. J.

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Eggs are perishable and fragile foods because of their easy contamination by different microorganisms, such as fungi. Hence, research on egg safety and quality has been recently developed worldwide to minimize illness transmitted by this food, although most present mainly pathogenic bacteria. Thus, this study identified potentially pathogenic fungal species in eggshells from free-range and commercial hens offered in supermarkets in Fortaleza, CE, Brazil. The research was performed at the Vettings laboratory at the State University of Ceará (UECE) with 40 eggs: 20 from commercial and 20 from free-range hens. The eggshells were assessed using the dextrose evaluation method for pathogenic cultivation, commensal, and yeast fungi. Subsequently, readings were taken to identify and count the fungi on a binocular light microscope in 100x increments. Both egg categories showed a significant number of colony-forming units (CFU). The study identified eight different fungal species in both egg production types. The most prevalent fungal colonies in the free-range hen lineage (brown shell) were yeast spp. and Penicillium citrinum, and the laying hen lineage (white shell) had mostly Penicillium spp. and yeast spp. Therefore, both egg production systems showed similar fungal contamination, which suggests that the manipulation and/or storage are adequate despite the lack of strict food safety regulations or supervision for eggs in Brazil.

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Section: Discussionmentioning

confidence: 99%

Fungal profile of eggshells from commercial and free-range hens of a supermarket chain in Fortaleza, CE, Brazil

Mello,

Santos,

Silva

et al. 2024

Biosci. J.

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“…It has been demonstrated that hatcheries without being sterilized prior to incubation will result in excessive bacterial contamination and subsequent growth will result in reduced hatchability and poor chick quality (Mousa-Balabel et al, 2016). In some cases, as much as 20% of livestock die due to poor sanitation (Peric et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

The Effect of Binahong Leaf Extract as a Disinfectant in Duck Egg Incubator

Marlina¹,

Harlia²,

Hidayati

2023

JIIP

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Binahong is a native South American plant that grows well in Indonesia. The active compounds contained in the binahong plant are widely used as traditional medicine. Active compounds such as flavonoids, alkaloids, saponins, triterpenoids, comarins and phenolic acids are antimicrobial. This study aims to determine the antimicrobial effectiveness of binahong leaves in inhibiting bacteria and fungi in duck egg incubators. The concentration of binahong extract used was 30%, 40%, 50%, 100% binahong leaf solution, and 1% chemical disinfectant Cethylpiridium Chloride (CPC). Evaluation was carried out on decreasing the number of bacteria, fungi, inhibition zones on gram-positive and gram-negative bacteria and identification of fungi reduced by binahong leaf extract in duck egg incubators. Data were analyzed using ANOVA and Tukey's test. The results showed the concentration of 50% binahong leaf extract had the option to decrease the number of bacteria and fungi 88.48% and 53.81%, respectively, 100% binahong solution could decrease the quantity of bacteria and fungi 56.75% and 34.95% respectively and 1% CPC chemical disinfectant reduced the number of bacteria and fungi 91.65% and 62.60%, respectively. Binahong leaf extract produced inhibition zones on gram-positive and gram-negative bacteria with a strong interpretation, namely 19.2 mm and 16.2 mm, respectively.

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Sanitization at different times after floor egg collection for hatchability, microbiological quality, and performance of broilers

Franco,

Araújo,

Lopes

et al. 2023

Poultry Science

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Effects of flock age, place of oviposition and cleaning treatments of hatching eggs on hatchability in broiler breeders

Cited by 4 publications

References 25 publications

Fungal profile of eggshells from commercial and free-range hens of a supermarket chain in Fortaleza, CE, Brazil

Fungal profile of eggshells from commercial and free-range hens of a supermarket chain in Fortaleza, CE, Brazil

The Effect of Binahong Leaf Extract as a Disinfectant in Duck Egg Incubator

Sanitization at different times after floor egg collection for hatchability, microbiological quality, and performance of broilers

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