<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This study was conducted to evaluate the effect of eggs stored with and without pre-incubation on chick embryos with emphasis on: embryo body, heart weight, malformations, and mortality. For this study, a total of 120 chick embryos were divided into three groups, based on the length of storage before hatching (3, 7 and 10 days). Observations of the weight of chick embryo bodies, chick embryo hearts, and the level of mortality and appearance of malformations were noted. With an increase in days stored, the chick embryo’s weight decreased. The pre-incubation period had a positive effect on the weight of chick embryo, and chick hearts. Malformations, including: hydrocephalus, open body cavity and underdeveloped wings, were observed in all three groups, with the highest proportion seen in the pre-incubated hatching eggs stored for 10 days; this group also displayed the highest level of mortality. Non-pre-incubated eggs showed the most promise with better results in all experimental groups. In conclusion, the research suggests the optimal storage for chick embryos to be 3 days, with lowest levels of mortality, malformations and limited effects on the body and heart weight.</p></abstract>

This study was conducted to evaluate the effect of eggs stored with and without pre-incubation on chick embryos with emphasis on: embryo body, heart weight, malformations, and mortality. For this study, a total of 120 chick embryos were divided into three groups, based on the length of storage before hatching (3, 7 and 10 days). Observations of the weight of chick embryo bodies, chick embryo hearts, and the level of mortality and appearance of malformations were noted. With an increase in days stored, the chick embryo’s weight decreased. The pre-incubation period had a positive effect on the weight of chick embryo, and chick hearts. Malformations, including: hydrocephalus, open body cavity and underdeveloped wings, were observed in all three groups, with the highest proportion seen in the pre-incubated hatching eggs stored for 10 days; this group also displayed the highest level of mortality. Non-pre-incubated eggs showed the most promise with better results in all experimental groups. In conclusion, the research suggests the optimal storage for chick embryos to be 3 days, with lowest levels of mortality, malformations and limited effects on the body and heart weight.

Pre-Incubation and its Effect on the Development and Malformations of The Chick Embryo

Department of Biology, Faculty of Humanities and Natural Sciences

Institute of Biology, Zoology and Radiobiology

University of Veterinary Medicine and Pharmacy in Kosice

Folia Veterinaria

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

This study was conducted to evaluate the effect of eggs stored with and without pre-incubation on chick embryos with emphasis on: embryo body, heart weight,...

Pre-Incubation and its Effect on the Development and Malformations of The Chick Embryo

Published Online: Apr 06, 2019

Page range: 24 - 31

Received: Jan 25, 2019

Accepted: Feb 28, 2019

DOI: https://doi.org/10.2478/fv-2019-0004

Keywords
chick embryo, malformation, pre-incubation, storage

© 2019 Janikovičová L. et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Pre-Incubation and its Effect on the Development and Malformations of The Chick Embryo

Published Online: Apr 06, 2019

Page range: 24 - 31

Received: Jan 25, 2019

Accepted: Feb 28, 2019

DOI: https://doi.org/10.2478/fv-2019-0004

Keywordschick embryo, malformation, pre-incubation, storage

© 2019 Janikovičová L. et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
chick embryo, malformation, pre-incubation, storage