Modeling the response of Japanese quail hens to lysine intake

Silva, Edney Pereira da; Sakomura, Nilva Kazue; Sarcinelli, M. F.; Dorigam, Juliano César de Paula; Venturini, K. S.; Lima, Michele Bernardino de

doi:10.1016/j.livsci.2019.04.005

Cited by 13 publications

(15 citation statements)

References 17 publications

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“…However, there are birds of broiler matrices that are less sensitive to nutritional deficiency and have greater capacity to mobilize body reserves to maintain EP. This hypothesis is supported by the study undertaken by Silva et al. (2019) , who recorded the lowest EO of 0.18 g/birdꞏper d and feed conversion of 61 g/g.…”

Section: Discussionsupporting

confidence: 54%

“…When the dilution technique is used, it is necessary to prove the limitation of the amino acid studied ( Sarcinelli et al., 2020 ; Silva et al., 2019 ). Thus, it is expected that the birds will also respond to L-amino acid supplementation to confirm the limitation generated.…”

Section: Discussionmentioning

confidence: 99%

“…This was investigated due to reports of arginine having no effect on EP ( Maurício et al., 2016 ; Maurício et al., 2018 ; Tuesta et al., 2018 ). Other studies that also used the dilution technique did not use this amount of rigor to validate the limitation of the amino acid test ( Silva et al., 2019 ; Lima et al., 2020 ; Sarcinelli et al., 2020 ) due to the variability in the responses obtained with this degree of nutritional deficiency. For some categories, body reserve attenuates the additional response ( Silva et al., 2015a ; Lima et al., 2018 ); therefore, in previous studies only the numerical value of the biological response was considered as suitable to prove the dietary limitation of the amino acid test.…”

Section: Discussionmentioning

confidence: 99%

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Arginine requirement for egg production in Japanese quail

et al. 2022

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Section: Discussionsupporting

confidence: 54%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Arginine requirement for egg production in Japanese quail

et al. 2022

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“…This rate is expected to continue to increase. Al though it has not been measured, it is speculated that the physicochemical characteristics of the ingredients used in 1) The factor coefficients in bold were used for interpretation.…”

Section: Discussionmentioning

confidence: 99%

An assessment of responses to egg production and liver health of Japanese quails subjected to different levels of metabolizable energy

et al. 2023

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Objective: Current quail production is configured as an economic activity in scale. Advancements in quail nutrition have been limited to areas such as breeding and, automation of facilities and ambience. The objective of this study was to evaluate the performance responses, liver and oviduct morphometry, and liver histology of Japanese laying quails subjected to different levels of nitrogen-corrected apparent metabolizable energy (MEn).Methods: A completely random design was used that consisted of nine levels of MEn, six replicates, and five hens per cage with a total of 270 quails. The experimental period lasted for 10 weeks. The variables of performance were subjected to analysis of variance and then regression analysis using the broken-line model. The morphometric and histological variables were subjected to multivariate exploratory techniques.Results: The MEn levels influenced the responses to zootechnical performance. The brokenline model estimated the maximum responses for feed intake, egg production, egg weight, and egg mass as 3,040, 2,820, 1,802, and 2,960 kcal of MEn per kg of diet, respectively. Multivariate analysis revealed that the occurrence of hepatic steatosis and increased levels of Kupffer cells were not related to MEn levels.Conclusion: The level of 2,960 kcal/kg of MEn meets performance variable requirements without compromising hepatic physiology.

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“…Quail production has assumed worldwide importance because of the potential for egg production (Silva et. al 2019).…”

Section: Introductionmentioning

confidence: 99%

Substitution of limestone for eggshell powder in the diet of Japanese laying quails

Moura

Reis

Mendonça

et al. 2020

Rev. bras. saúde prod. anim.

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Were evaluated the effects of substituting limestone with quail eggshell powder on the zootechnical performance, egg quality, and economic efficiency of Japanese quails during peak egg production (11-20 weeks old). The experimental period was 63 days, divided into three 20-day periods. A completely randomized experimental design was used with five treatments (0, 25, 50, 75, and 100% substitution of limestone by eggshell powder), six repetitions, and seven birds per experimental unit, for a total of 210 quails. Feed intake, production of egg/bird/day, egg production per bird housed, marketable egg production, egg viability, feed conversion per egg mass, Seedor index, tibia calcium content, and percentage of calcium excreted were determined. The following variables for egg quality were analyzed: egg weight, specific weight, percentage of egg yolk, albumen and shell, and shell thickness. Economic efficiency was evaluated in fresh and industrialized eggs. Statistical analyses were performed using the SAS software, version 9.2 (2010). Substitution of limestone for eggshell powder had no significant effect on zootechnical performance, tibia calcium content, or egg quality. However, there were significant effects on the percentages of albumen and calcium excreted. The substitution of limestone by eggshell powder in quail feed resulted in higher economic efficiency indexes. These results indicate that the use of 100% eggshell powder in the feed of Japanese laying quails is viable.

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Modeling the response of Japanese quail hens to lysine intake

Cited by 13 publications

References 17 publications

Arginine requirement for egg production in Japanese quail

Arginine requirement for egg production in Japanese quail

An assessment of responses to egg production and liver health of Japanese quails subjected to different levels of metabolizable energy

Substitution of limestone for eggshell powder in the diet of Japanese laying quails

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