Quantitative trait loci underlying hatching weight and growth traits in an F2 intercross between two strains of Japanese quail

Sohrabi, Saeed S.; Esmailizadeh, Ali; Baghizadeh, Amin; Moradian, Hasan; Mohammadabadi, Mohammadreza; Askari, Nahid; Nasirifar, E.

doi:10.1071/an12100

Cited by 14 publications

(8 citation statements)

References 29 publications

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“…The present findings are partially consistent with Deeb and Lamont (2002), who found a high level of heterosis only for the abdominal fat percentage in the F 2 chicken population. As suggested by Sohrabi et al (2012), a possible explanation for the higher level of heterosis in the F 2 generation might be related to the genetic structure of the F 2 birds as regards the sex chromosomes.…”

Section: Performance and Carcass Traitsmentioning

confidence: 95%

“…In the available literature on Japanese quail, only few publications can be found reporting QTL responsible for laying traits, the quality of the egg and the shell (Minvielle et al, 2005), daily weight gains in certain weeks of life Sohrabi et al, 2012), the shape of the laying curve , or behavioral traits associated with fearfulness (tonic immobility; Beaumont et al, 2005). There is no information on the loci linked with carcass and meat quality traits in quails such as IMC properties.…”

Section: Growth Performance Meat Quality Traits and Genetic Mappingmentioning

confidence: 97%

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Growth performance, meat quality traits, and genetic mapping of quantitative trait loci in 3 generations of Japanese quail populations (Coturnix japonica)

et al. 2014

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The current research was conducted to compare growth, carcass traits, pH, intramuscular collagen (IMC) properties, and genetic bases of IMC and carcasses (breast-muscle weight) of different lines and generations of adult males and females of Japanese quail (Coturnix japonica). Forty-four quails (generation F0), 22 Pharaoh (F-33) meat-type males and 22 Standard (S-22) laying-type females, were crossed to produce the F1 hybrids generation. The F2 generation was created by mating one F1 male with one F1 female, full siblings. The birds, randomly chosen from F0 (22 males and 22 females), F1 (22 males and 22 females), and F2 (84 males and 152 females) were raised to 20 wk of age in collective cages. Quails were fed ad libitum commercial diets. At slaughter, all birds were individually weighed (after a fasting period of 12 h) and dressing yield (without giblets) was calculated. The carcasses were then dissected. Genomic DNA was extracted from all of the blood, and 30 microsatellite markers located on 2 quail chromosomes were genotyped. The F -: 33 quails had higher in vivo and postmortem performances and a higher abdominal fat percentage than those of the egg line. Meat from S -: 22 quails had a slower collagen maturation (hydroxylysylpyridinoline crosslink/collagen) and a higher ultimate pH. The F1 and F2 generations showed an evident sexual dimorphism, and an additional effect could be due to hybrid heterosis evident in F2. Meat from quails of F1 and F2 generations had a lower IMC amount with a higher degree of collagen maturation compared with parental lines. Two statistically significant QTL have been detected on quail chromosome 2 (CJA02): a QTL with an additive effect (0.50) for IMC in the marker bracket GUJ0037 and GUJ0093; a second QTL with additive (1.32) and dominant (1.91) effects for breast-muscle weight in the marker bracket GUJ0084 and GUJ0073. To our knowledge, this is the first report of a QTL associated with breast-muscle weight and IMC in quail and poultry species, respectively.

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Section: Performance and Carcass Traitsmentioning

confidence: 95%

Section: Growth Performance Meat Quality Traits and Genetic Mappingmentioning

confidence: 97%

Growth performance, meat quality traits, and genetic mapping of quantitative trait loci in 3 generations of Japanese quail populations (Coturnix japonica)

et al. 2014

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“…Using current data it might be only speculate that these results could be related to the genetic structure of the birds as regards mitochondrial DNA (mtDNA) and the sex chromosomes. In fact, as suggested by Sohrabi et al (2012), if the same effect is estimated in both males and females, it is likely to imply a maternal effect or genetic differences in mtDNA; while, an effect only observed in females is likely to reflect differences in the sex chromosome. Hybrid combinations increased the total PUFA amount in F 2 compared to F 1 quails (P<0.01 and P<0.05 for females and males, respectively), with intermediate value for F 0 ones, due to the significant contribution of linoleic and α-linolenic acids (data not shown).…”

Section: Total Lipid Cholesterol Contents and Fatty Acid Compositionmentioning

confidence: 96%

Fatty acid composition of meat and genetic mapping of quantitative trait loci in 3 generations of Japanese quail populations

Tavaniello¹,

Siwek²,

Maiorano³

et al. 2017

JCEA

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The present study was carried out to evaluate the effect of different lines and generations of adult males and females of Japanese quail (Coturnix japonica) on total lipid, fatty acid (FA) composition and cholesterol content of breast muscle, as well as the identification of quantitative trait loci (QTLs) controlling the above mentioned meat quality traits. Forty-four quails (generation F 0 ), 22 Pharaoh (F-33) meat-type males and 22 Standard (S-22) laying-type females, were crossed to produce the F 1 hybrids generation. F 2 generation was created by mating one F 1 male with one F 1 female, full siblings. The birds, randomly chosen from F 0 (22 males and 22 females), F 1 (22 males and 22 females) and F 2 (84 males and 152 females), were raised to 20 weeks of age in collective cages. After slaughter the carcasses were dissected and the breast muscle was removed for the chemical analysis. Genomic DNA was extracted from the whole blood and 30 microsatellite markers located on two quail chromosomes were genotyped. S-22 quails exhibited higher amounts of total saturated fatty acids (SFA) and polyunsaturated fatty acids (PUFA), while F-33 quails had a greater content of total monounsaturated fatty acids (MUFA). F-33 quails supplied meat with lower atherogenic and thrombogenic indexes. A partial effect of sex on the FA composition of quail meat was found in the F 1 generation; while in the F 2 generation a sex-effect was more evident. F 2 females exhibited a higher PUFA content and PUFA/SFA ratio, and a lower muscle cholesterol content compared to F 2 males. In conclusion, total lipid, FA composition and cholesterol content were affected by first-and second-generation crosses. For the cholesterol content a QTL showing additive effect has been detected on CJA02 at 85 cM; no QTLs were found for total SFA, MUFA and PUFA. To current knowledge, this is the first study of a QTL associated with muscle cholesterol in quails.

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“…QTL significant for growth traits were found also on chromosome 1 in this population (Sohrabi et al 2012).…”

Section: Resultsmentioning

confidence: 83%

“…At each position, mapping QTL using desirable model determines whether a significant amount of the variance in a quantitative trait can be associated with a QTL at that position. QTL variance determined as the reduction of the residual variance acquired by fitting a QTL at the corresponding location was relatively small for the detected loci (Sohrabi et al 2012). The proportion of the F 2 phenotypic variation explained by the significant additive and dominance QTL effects ranged from 1.06 to 3.33% and 0.71 to 4.36%, respectively.…”

Section: Resultsmentioning

confidence: 99%

A chromosome-wide QTL mapping on chromosome 2 to identify loci affecting live weight and carcass traits in F2 population of Japanese quail

Nasirifar¹,

Talebi²,

Esmailizadeh³

et al. 2016

CZECH J ANIM SCI

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ABSTRACT:The Japanese quail (Coturnix japonica) is a considerable species which is often used for animal modelling in breeding researches. This study aims to detect quantitative trait loci (QTL) underlying growth and carcass traits in Japanese quail. A three-generation resource population was developed using wild and white Japanese quail strains. The total mapping population consisted of 472 birds. Eight pairs of white and wild birds were mated reciprocally and 34 F 1 birds were generated. The F 1 birds were intercrossed to produce F 2 offspring (422 birds). All of the animals from three generations were genotyped for four microsatellite markers on chromosome 2 in quail. QTL analysis was performed with the Least Squares interval mapping method. The results indicated significant QTL for breast weight, carcass weight, pre-stomach weight, pancreas percentage, head weight, intestine weight, spleen weight, and heart weight. There was also evidence for dominance QTL affecting pre-stomach weight, percentage of pre-stomach weight, and percentage of breast on chromosome 2. The proportion of F 2 phenotypic variation explained by significant additive and dominance QTL effects ranged from 1.06 to 3.33% and 0.71 to 4.36%, respectively. There was no evidence for imprinting effect on the studied traits.

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Quantitative trait loci underlying hatching weight and growth traits in an F2 intercross between two strains of Japanese quail

Cited by 14 publications

References 29 publications

Growth performance, meat quality traits, and genetic mapping of quantitative trait loci in 3 generations of Japanese quail populations (Coturnix japonica)

Growth performance, meat quality traits, and genetic mapping of quantitative trait loci in 3 generations of Japanese quail populations (Coturnix japonica)

Fatty acid composition of meat and genetic mapping of quantitative trait loci in 3 generations of Japanese quail populations

A chromosome-wide QTL mapping on chromosome 2 to identify loci affecting live weight and carcass traits in F2 population of Japanese quail

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