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Article: Effects of Slaughter Age on Muscle Characteristics and Meat Quality Traits of Da-Heng Meat Type Birds.

Li, Jingjing / Yang, Chaowu / Peng, Han / Yin, Huadong / Wang, Yan / Hu, Yaodong / Yu, Chunlin / Jiang, Xiaosong / Du, Huarui / Li, Qingyun / Liu, Yiping

Animals : an open access journal from MDPI

2019 Volume 10, Issue 1

Abstract: ... groups of 200 male Da-Heng meat type birds were reared until slaughter age of 60, 90, 120, 150, 180 days ...

Abstract	Due to the increasing demand for producing chickens with high meat quality, there is a need to determine its mode of action on chicken meat quality traits across a wider age spectrum. In this study, five groups of 200 male Da-Heng meat type birds were reared until slaughter age of 60, 90, 120, 150, 180 days old and breast muscle performance, meat quality traits, and myofiber characteristics were evaluated. The larger body weight and breast weight of chicken are based on larger myofiber diameter and area, less myofiber density for the older birds than younger birds. There was an age effect on all meat quality traits of chicken breast muscle (
Language	English
Publishing date	2019-12-30
Publishing country	Switzerland
Document type	Journal Article
ISSN	2076-2615
ISSN	2076-2615
DOI	10.3390/ani10010069
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Study on safe usage of agricultural land in karst and non-karst areas based on soil Cd and prediction of Cd in rice: A case study of Heng County, Guangxi.

Li, Cheng / Yang, Zhongfang / Yu, Tao / Hou, Qingye / Liu, Xu / Wang, Jue / Zhang, Qizuan / Wu, Tiansheng

Ecotoxicology and environmental safety

2020 Volume 208, Page(s) 111505

Abstract: ... and rice samples, and in comparison with the different soil parent materials in Heng County, it was ...

Abstract	It is well-known that Cd concentration in the soil, Cd bioavailability, and Cd bioaccumulation in rice (Oryza sativa L.) grains vary greatly in different soil parent materials. Therefore, the classification of agricultural land environmental quality and agricultural land safe usage based on the Cd content in the soil has a wide deviation. By the application of systematic sampling and analysis of soil and rice samples, and in comparison with the different soil parent materials in Heng County, it was found that soil derived from carbonate rocks has higher total Cd and lower mobile Cd proportion than soil from the non-karst areas. This result indicated that soil carbonates raised soil pH and the adsorption of Fe/Mn oxide/hydroxide on Cd significantly reduced the bioavailability of Cd in karst areas. In contrast, acidic soils with relatively lower CaO, TFe
MeSH term(s)	Agriculture/methods ; Biological Availability ; Cadmium/analysis ; Cadmium/pharmacokinetics ; Carbonates/analysis ; China ; Edible Grain/metabolism ; Models, Theoretical ; Oryza/metabolism ; Soil/chemistry ; Soil Pollutants/analysis ; Soil Pollutants/pharmacokinetics
Chemical Substances	Carbonates ; Soil ; Soil Pollutants ; Cadmium (00BH33GNGH)
Language	English
Publishing date	2020-10-28
Publishing country	Netherlands
Document type	Comparative Study ; Journal Article
ZDB-ID	436536-7
ISSN	1090-2414 ; 0147-6513
ISSN (online)	1090-2414
ISSN	0147-6513
DOI	10.1016/j.ecoenv.2020.111505
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Article: Effects of Slaughter Age on Muscle Characteristics and Meat Quality Traits of Da-Heng Meat Type Birds

Li, Jingjing / Yang, Chaowu / Peng, Han / Yin, Huadong / Wang, Yan / Hu, Yaodong / Yu, Chunlin / Jiang, Xiaosong / Du, Huarui / Li, Qingyun / Liu, Yiping

Animals. 2019 Dec. 30, v. 10, no. 1

2019

Abstract: ... groups of 200 male Da-Heng meat type birds were reared until slaughter age of 60, 90, 120, 150, 180 days ...

Abstract	Due to the increasing demand for producing chickens with high meat quality, there is a need to determine its mode of action on chicken meat quality traits across a wider age spectrum. In this study, five groups of 200 male Da-Heng meat type birds were reared until slaughter age of 60, 90, 120, 150, 180 days old and breast muscle performance, meat quality traits, and myofiber characteristics were evaluated. The larger body weight and breast weight of chicken are based on larger myofiber diameter and area, less myofiber density for the older birds than younger birds. There was an age effect on all meat quality traits of chicken breast muscle (p < 0.05). Older chickens often presented a higher pH, lower drip loss, higher shear force, darker, and redder breast meat. The correlation coefficients showed that myofiber characteristics played an important role in breast pH values, drip loss, and meat color (p < 0.05). Besides, significant correlations were also found between meat quality traits (p < 0.05). Further studies are needed to explore the biochemical character and potential molecular mechanism of chicken breast muscle to determine the factors that causes these age-related differences in meat quality in the current study.
Keywords	age at slaughter ; body weight ; breast meat ; breast muscle ; breasts ; chicken meat ; chickens ; color ; drip loss ; males ; meat quality ; mechanism of action ; pH
Language	English
Dates of publication	2019-1230
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article
Note	NAL-light
ISSN	2076-2615
DOI	10.3390/ani10010069
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Effects of Slaughter Age on Muscle Characteristics and Meat Quality Traits of Da-Heng Meat Type Birds

Jingjing Li / Chaowu Yang / Han Peng / Huadong Yin / Yan Wang / Yaodong Hu / Chunlin Yu / Xiaosong Jiang / Huarui Du / Qingyun Li / Yiping Liu

Animals, Vol 10, Iss 1, p

2019 Volume 69

Abstract: ... groups of 200 male Da-Heng meat type birds were reared until slaughter age of 60, 90, 120, 150, 180 days ...

Abstract	Due to the increasing demand for producing chickens with high meat quality, there is a need to determine its mode of action on chicken meat quality traits across a wider age spectrum. In this study, five groups of 200 male Da-Heng meat type birds were reared until slaughter age of 60, 90, 120, 150, 180 days old and breast muscle performance, meat quality traits, and myofiber characteristics were evaluated. The larger body weight and breast weight of chicken are based on larger myofiber diameter and area, less myofiber density for the older birds than younger birds. There was an age effect on all meat quality traits of chicken breast muscle ( p < 0.05). Older chickens often presented a higher pH, lower drip loss, higher shear force, darker, and redder breast meat. The correlation coefficients showed that myofiber characteristics played an important role in breast pH values, drip loss, and meat color ( p < 0.05). Besides, significant correlations were also found between meat quality traits ( p < 0.05). Further studies are needed to explore the biochemical character and potential molecular mechanism of chicken breast muscle to determine the factors that causes these age-related differences in meat quality in the current study.
Keywords	chicken ; slaughter age ; myofiber ; meat quality ; Veterinary medicine ; SF600-1100 ; Zoology ; QL1-991
Language	English
Publishing date	2019-12-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Experimental Verification of CAPN1 and CAST Gene Polymorphisms in Different Generations of Da-Heng Broilers

Yu-Guang Zhou / Yong Xiong / Chao-Wu Yang / Xiao-Song Jiang / Jin-Shan Ran / Jie Jin / Ye Wang / Dan Lan / Peng Ren / Yao-Dong Hu / Yi-Ping Liu

BioMed Research International, Vol

2017 Volume 2017

Abstract: The micromolar calcium activated neutral protease (CAPN1) and calpastatin (CAST) have been widely regarded as genes related to muscle growth and meat tenderness. The objective of this study was to verify the association of SNPs of CAPN1 and CAST genes ... ...

Abstract	The micromolar calcium activated neutral protease (CAPN1) and calpastatin (CAST) have been widely regarded as genes related to muscle growth and meat tenderness. The objective of this study was to verify the association of SNPs of CAPN1 and CAST genes with carcass and tenderness traits and search the possible change patterns of SNPs in CAPN1 and CAST genes in six generations of broiler breeding process for growth rate, efficiency, and reproduction, during the third generation and the ninth generation, respectively. We found that, for CAPN1, genetic effects between SNPs (G3535A, C7198A) and meat tenderness were similar in different generations, while SNP3 (G7324A) was a novel polymorphism and had significant association with carcass and tenderness traits (P<0.05) in this study. Furthermore, there was significant association between SNP4 (G9950A) and carcass indexes instead of tenderness traits (P<0.05) which was consistent in the two generations. Moreover, although SNP6 (G37868A) of CAST had no relevance to carcass traits or tenderness traits in the third generation, it showed significant association with LW and CW in the ninth generation (P<0.05).
Keywords	Medicine ; R
Language	English
Publishing date	2017-01-01T00:00:00Z
Publisher	Hindawi Limited
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Aerosol ionic components at Mt. Heng in central southern China: abundances, size distribution, and impacts of long-range transport.

Gao, Xiaomei / Xue, Likun / Wang, Xinfeng / Wang, Tao / Yuan, Chao / Gao, Rui / Zhou, Yang / Nie, Wei / Zhang, Qingzhu / Wang, Wenxing

The Science of the total environment

2012 Volume 433, Page(s) 498–506

Abstract: ... of many other species and collection of size-resolved aerosol samples, at the summit of Mt. Heng in the spring of 2009 ... pollution level at Mt. Heng. Water-soluble ions composed approximately 40% of the PM(2.5) mass on average. PM(2.5 ... aerosol at Mt. Heng. The results at Mt. Heng were compared with those obtained from our previous study ...

Abstract	Water-soluble ions in PM(2.5) were continuously measured, along with the measurements of many other species and collection of size-resolved aerosol samples, at the summit of Mt. Heng in the spring of 2009, to understand the sources of aerosols in rural central southern China. The mean concentrations of SO(4)(2-), NH(4)(+) and NO(3)(-) in PM(2.5) were 8.02, 2.94 and 1.47 μg/m(3), indicating a moderate aerosol pollution level at Mt. Heng. Water-soluble ions composed approximately 40% of the PM(2.5) mass on average. PM(2.5) was weakly acidic with about 66% of the samples being acidic. SO(4)(2-), NO(3)(-) and NH(4)(+) exhibited similar diurnal patterns with a broad afternoon maximum. SO(4)(2-) and NH(4)(+) were mainly present in the fine aerosols with a peak in the droplet mode of 0.56-1 μm, suggesting the important role of cloud processing in the formation of aerosol sulfate. NO(3)(-) was largely distributed in the coarse particles with a predominant peak in the size-bin of 3.2-5.6 μm. Long-distance transport of processed air masses, dust aerosols, and cloud/fog processes were the major factors determining the variations of fine aerosol at Mt. Heng. The results at Mt. Heng were compared with those obtained from our previous study at Mt. Tai in north China. The comparison revealed large differences in the aerosol characteristics and processes between southern and northern China. Backward trajectories indicated extensive transport of anthropogenic pollution from the coastal regions of eastern/northern China and the Pearl River Delta (PRD) to Mt. Heng in spring, highlighting the need for regionally coordinated control measures for the secondary pollutants.
Language	English
Publishing date	2012-09-01
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	121506-1
ISSN	1879-1026 ; 0048-9697
ISSN (online)	1879-1026
ISSN	0048-9697
DOI	10.1016/j.scitotenv.2012.06.095
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Article: Size-resolved aerosol ionic composition and secondary formation at Mount Heng in South Central China

Wang, Xinfeng / Wang, Wenxing / Xue, Likun / Gao, Xiaomei / Nie, Wei / Yu, Yangchun / Zhou, Yang / Yang, Lingxiao / Zhang, Qingzhu / Wang, Tao

Frontiers of environmental science & engineering

2013 Volume 7, Issue 6, Page(s) 815

Language	English
Document type	Article
ZDB-ID	2662203-8
ISSN	2095-2201
Database	Current Contents Nutrition, Environment, Agriculture

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Z 7938: Show issues

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Article: Size-resolved aerosol ionic composition and secondary formation at Mount Heng in South Central China

Wang, Xinfeng / Wang, Wenxing / Xue, Likun / Gao, Xiaomei / Nie, Wei / Yu, Yangchun / Zhou, Yang / Yang, Lingxiao / Zhang, Qingzhu / Wang, Tao

Frontiers of environmental science & engineering. 2013 Dec., v. 7, no. 6

2013

Abstract: ... collected using a micro-orifice uniform deposit impactor (MOUDI) in spring 2009 at the summit of Mount Heng ... potassium, and chloride in the fine particles at Mount Heng. The air masses originating from the north Gobi ...

Abstract	To understand the size-resolved aerosol ionic composition and the factors influencing secondary aerosol formation in the upper boundary layer in South Central China, size-segregated aerosol samples were collected using a micro-orifice uniform deposit impactor (MOUDI) in spring 2009 at the summit of Mount Heng (1269 m asl), followed by subsequent laboratory analyses of 13 inorganic and organic water-soluble ions. During non-dust-storm periods, the average PM₁.₈ concentration was 41.8 μg·m⁻³, contributing to 55% of the PM₁₀. Sulfates, nitrates, and ammonium, the dominant ions in the fine particles, amounted to 46.8% of the PM₁.₈. Compared with Mount Tai in the North China Plain, the concentrations of both fine and coarse particles and the ions contained therein were substantially lower. When the air masses from Southeast Asia prevailed, intensive biomass burning there led to elevated concentrations of sulfates, nitrates, ammonium, potassium, and chloride in the fine particles at Mount Heng. The air masses originating from the north Gobi brought heavy dust storms that resulted in the remarkable production of sulfates, ammonium, methane sulfonic acid, and oxalates in the coarse particles. Generally, the sulfates were primarily produced in the form of (NH₄)₂SO₄ in the droplet mode via heterogeneous aqueous reactions. Only approximately one-third of the nitrates were distributed in the fine mode, and high humidity facilitated the secondary formation of fine nitrates. The heterogeneous formation of coarse nitrates and ammonium on dry alkaline dust surfaces was found to be less efficient than that on the coarse particles during non-dust-storm periods.
Keywords	aerosols ; air ; biomass ; burning ; dust storms ; humidity ; ions ; methane ; nitrates ; oxalates ; potassium ; spring ; sulfates ; sulfonic acid ; China ; South East Asia
Language	English
Dates of publication	2013-12
Size	p. 815-826.
Publishing place	Springer-Verlag
Document type	Article
ZDB-ID	2662203-8
ISSN	2095-221X ; 2095-2201
ISSN (online)	2095-221X
ISSN	2095-2201
DOI	10.1007/s11783-013-0503-6
Database	NAL-Catalogue (AGRICOLA)

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Article: Aerosol ionic components at Mt. Heng in central southern China: Abundances, size distribution, and impacts of long-range transport

Gao, Xiaomei / Xue, Likun / Wang, Xinfeng / Wang, Tao / Yuan, Chao / Gao, Rui / Zhou, Yang / Nie, Wei / Zhang, Qingzhu / Wang, Wenxing

science of the total environment. 2012 Sept. 1, v. 433

2012

Abstract: ... of many other species and collection of size-resolved aerosol samples, at the summit of Mt. Heng in the spring of 2009 ... Heng. Water-soluble ions composed approximately 40% of the PM2.5 mass on average. PM2.5 was ... processes were the major factors determining the variations of fine aerosol at Mt. Heng. The results at Mt ...

Abstract	Water-soluble ions in PM2.5 were continuously measured, along with the measurements of many other species and collection of size-resolved aerosol samples, at the summit of Mt. Heng in the spring of 2009, to understand the sources of aerosols in rural central southern China. The mean concentrations of SO42−, NH4+ and NO3− in PM2.5 were 8.02, 2.94 and 1.47μg/m3, indicating a moderate aerosol pollution level at Mt. Heng. Water-soluble ions composed approximately 40% of the PM2.5 mass on average. PM2.5 was weakly acidic with about 66% of the samples being acidic. SO42−, NO3− and NH4+ exhibited similar diurnal patterns with a broad afternoon maximum. SO42− and NH4+ were mainly present in the fine aerosols with a peak in the droplet mode of 0.56–1μm, suggesting the important role of cloud processing in the formation of aerosol sulfate. NO3− was largely distributed in the coarse particles with a predominant peak in the size-bin of 3.2–5.6μm. Long-distance transport of processed air masses, dust aerosols, and cloud/fog processes were the major factors determining the variations of fine aerosol at Mt. Heng. The results at Mt. Heng were compared with those obtained from our previous study at Mt. Tai in north China. The comparison revealed large differences in the aerosol characteristics and processes between southern and northern China. Backward trajectories indicated extensive transport of anthropogenic pollution from the coastal regions of eastern/northern China and the Pearl River Delta (PRD) to Mt. Heng in spring, highlighting the need for regionally coordinated control measures for the secondary pollutants.
Keywords	aerosols ; control methods ; droplets ; ions ; pollutants ; rivers ; spring ; sulfates ; China
Language	English
Dates of publication	2012-0901
Size	p. 498-506.
Publishing place	Elsevier B.V.
Document type	Article
ZDB-ID	121506-1
ISSN	1879-1026 ; 0048-9697
ISSN (online)	1879-1026
ISSN	0048-9697
DOI	10.1016/j.scitotenv.2012.06.095
Database	NAL-Catalogue (AGRICOLA)

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Zs.A 949: Show issues

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Article: Formation of secondary organic carbon and long-range transport of carbonaceous aerosols at Mount Heng in South China

Zhou, Shengzhen / Wang, Zhe / Gao, Rui / Xue, Likun / Yuan, Chao / Wang, Tao / Gao, Xiaomei / Wang, Xinfeng / Nie, Wei / Xu, Zheng / Zhang, Qingzhu / Wang, Wenxing

Atmospheric environment. 2012 Dec., v. 63

2012

Abstract: ... mountainous areas of South China, an intensive measurement campaign was conducted at the summit of Mount Heng (27°18 ... aerosols at Mount Heng. The amount of secondary organic carbon (SOC) was estimated using the EC-tracer ... secondary organic aerosol (SOA) formation at Mount Heng. The concentrations of SOC and water soluble ...

Abstract	To understand the sources and formation processes of atmospheric carbonaceous aerosols in rural and mountainous areas of South China, an intensive measurement campaign was conducted at the summit of Mount Heng (27°18′N, 112°42′E, 1269 m asl) during the spring of 2009. The observed average concentrations of organic carbon (OC) and elemental carbon (EC) were 3.01 ± 2.2 and 0.54 ± 0.3 μg m⁻³, respectively. The total carbonaceous aerosols (TCA) averagely contributed to 20.7% of PM₂.₅. High OC/EC ratios (range: 1.6–10.4; average: 5.2 ± 1.8) were observed, suggesting the transport and secondary origins of the carbonaceous aerosols at Mount Heng. The amount of secondary organic carbon (SOC) was estimated using the EC-tracer method and accounted for 53.9% of the total OC on average. Good correlations were found between SOC and droplet-mode sulfate, and oxalate and droplet-mode sulfate, indicating the occurrence of in-cloud secondary organic aerosol (SOA) formation at Mount Heng. The concentrations of SOC and water soluble organic acids also displayed positive relationship with aerosol acidity, suggesting the enhancement of SOC formation by acid-catalyzed heterogeneous reactions. Backward trajectory analysis revealed that the observed aerosols at Mount Heng were predominantly associated with the air masses from the Pearl River Delta region (PRD) and Eastern China, which brought significant amounts of anthropogenic pollutants to the site. In addition, strong signals of biomass burning (elevated carbonaceous concentrations, OC/EC ratios and K⁺ concentrations) were observed in air masses from Southeast Asia, demonstrating that the biomass burning emissions in Southeast Asia could reach the boundary layer of South China and affect the air quality there during the spring season.
Keywords	acidity ; aerosols ; air ; air quality ; altitude ; atmospheric chemistry ; biomass ; burning ; carbon ; emissions ; organic acids and salts ; pollutants ; potassium ; river deltas ; rivers ; spring ; China ; South East Asia
Language	English
Dates of publication	2012-12
Size	p. 203-212.
Publishing place	Elsevier Ltd
Document type	Article
ZDB-ID	216368-8
ISSN	0004-6981 ; 1352-2310
ISSN	0004-6981 ; 1352-2310
DOI	10.1016/j.atmosenv.2012.09.021
Database	NAL-Catalogue (AGRICOLA)

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