Decellularization is a method that has been widely used in tissue engineering especially in the last 20 years. In this study decellularized rooster comb was prepared and characterized for using it as a tissue scaffold. Treatment of tissues with sodium dodecyl sulfate (SDS) and Triton X-100 as two decellularization procedures in different time points were compared according to different parameters such as cytocompatibility, cell removal, preservation of extracellular matrix (ECM), and mechanical properties to find the optimum technique. Even though there was no difference regarding to efficiency on cell removal, SDS demonstrated better results on protection of tissue morphology in comparison with Triton X-100. Therefore, in general the samples treated with SDS showed higher levels of mechanical properties and cytocompatibility in comparison with Triton X-100 applied tissues. In the cuisines of many countries, rooster comb is discarded as a waste material however, in this study it was demonstrated that decellularized rooster comb could be utilized as a cheap, easily obtainable, and biocompatible scaffold. In conclusion, it was revealed that decellularized rooster comb is a promising biomaterial for using as scaffold and it is expected to be utilized for the further studies in particular on skin tissue engineering.
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http://dx.doi.org/10.1016/j.tice.2021.101614 | DOI Listing |
Poult Sci
December 2024
Department of Animal Sciences, 284 Animal Sciences Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL 61801, United States. Electronic address:
Extensive nutritional analyses were conducted for palm kernel meal (PKM) sourced from 5 countries. Two precision-fed rooster trials were conducted to evaluate the nitrogen-corrected true metabolizable energy (TME) and standardized amino acid (AA) digestibility of 10 PKM samples (PKM 1 to 10). The TME was determined using conventional Single Comb White Leghorn roosters, and standardized AA digestibility was determined using cecectomized roosters.
View Article and Find Full Text PDFPoult Sci
November 2024
State Key Laboratory of Swine and Poultry Breeding Industry, Sichuan Agricultural University, Chengdu 611130, China; Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology (Institute of Animal Genetics and Breeding), Sichuan Agricultural University, Chengdu 611130, China. Electronic address:
The comb, as a secondary sexual characteristic in chickens, serves as an important indicator of sexual maturity and potential reproductive. This study explored the relationship between comb types and production performance in Tianfu G01 chickens. Single-comb hens exhibited significantly lower laying rates compared to rose-comb hens during specific weeks (24-26, 27-28, 30, 32-34, and 38-43) but had higher average egg weights at 22, 23, 33, and 36-43 weeks.
View Article and Find Full Text PDFBMC Genomics
January 2024
Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, College of Life Science and Engineering, Foshan University, 528225, Foshan, Guangdong, China.
Background: The sexual maturity of chickens is an important economic trait, and the breeding of precocious and delayed puberty roosters is an important selection strategy for broilers. The comb serves as an important secondary sexual characteristic of roosters and determines their sexual precocity. Moreover, comb development is closely associated with gonad development in roosters.
View Article and Find Full Text PDFJ Anim Sci
January 2023
Department of Animal Sciences, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA.
Processing conditions, particularly temperature and duration of heating, impact pet food digestibility. Various commercial pet food formats are now available, but few have been tested thoroughly. The objective of this study was to determine the amino acid (AA) digestibilities and nitrogen-corrected true metabolizable energy (TMEn) values of frozen raw, freeze-dried raw, fresh (mildly cooked), and extruded dog foods using the precision-fed cecectomized and conventional rooster assays.
View Article and Find Full Text PDFPoult Sci
July 2023
Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA. Electronic address:
Three experiments evaluated effects of adaptation diet and exogenous β-glucanase and xylanase on TME of barley and rye. Single Comb White Leghorn roosters were fed adaptation diets based on corn/soybean meal (SBM), barley/SBM with and without β-glucanase, or rye/corn/SBM with and without xylanase for 4 wk. In Experiments 1 and 2, after the adaptation period, TME was determined using a 48 h precision-fed rooster assay for 100% barley or 100% rye diets with or without β-glucanase or xylanase, respectively.
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