Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Effects of Chronic Heat Stress on Lung and Growth Performance in Cherry-Valley Ducks under Different Ambient Temperatures

Min Tang
ORCID logo ,
Yi Liu
,
Dongyue Sun
,
Congcong Xu
,
Kongdong Li
,
Hantao Zhang
,
Jie Gu
ORCID logo ,
Chaofan Shan
,
Shijia Ying
*
Version 1 : Received: 31 July 2023 / Approved: 31 July 2023 / Online: 1 August 2023 (05:35:24 CEST)

How to cite: Tang, M.; Liu, Y.; Sun, D.; Xu, C.; Li, K.; Zhang, H.; Gu, J.; Shan, C.; Ying, S. Effects of Chronic Heat Stress on Lung and Growth Performance in Cherry-Valley Ducks under Different Ambient Temperatures. Preprints 2023, 2023072147. https://doi.org/10.20944/preprints202307.2147.v1 Tang, M.; Liu, Y.; Sun, D.; Xu, C.; Li, K.; Zhang, H.; Gu, J.; Shan, C.; Ying, S. Effects of Chronic Heat Stress on Lung and Growth Performance in Cherry-Valley Ducks under Different Ambient Temperatures. Preprints 2023, 2023072147. https://doi.org/10.20944/preprints202307.2147.v1

Abstract

Chronic heat stress (CHS) has been exerting great pressure on the poultry industry due to the global warming. CHS-induced negative impacts deeply change the physiology, metabolism, egg production and meat quality of ducks. To reduce the increasing economic loss, different environmental strategies have been adopted. Here, we comprehensively compared three rearing modes for Cherry-Valley ducks (CVds) mainly by changing the environmental temperature. Plus, the transcriptome analysis and physiological anatomy were implied to investigate the underlying molecular biology and pneumonocyte dynamics. It turns out that the CVds affected by CHS have poor growth performance and bad carcass traits. In addition, the irreversible damage caused by CHS in the lung tissue of CVds was observed. Furthermore, several potential genes related to CHS have been found, such as HSPA8, IGF1, FGFR1, ACSL3, ACSL6, NR1H3 and GAPDH. This study strongly indicates the severe injury of CHS from the high-temperature environment and points out one of the adopting directions for duck rearing.

Keywords

chronic heat stress; duck rearing; environmental temperature; next-generation sequencing; carcass traits

Subject

Biology and Life Sciences, Animal Science, Veterinary Science and Zoology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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