Reproductive characteristics of male and female Japanese quails (Coturnix coturnix japonica) fed diets with different levels of crude protein during the growth and production phases

Retes, Pâmela Lacombe; Neves, Danusa Gebin das; Bernardes, Laryssa Fernanda; Lima, Daniele de; Ribeiro, Catarina Brenha; Gonçalves, Natália de Castro; Alvarenga, Renata Ribeiro; Fassani, Édison José; Zangerônimo, Márcio Gilberto

doi:10.1016/j.livsci.2019.03.011

Cited by 7 publications

(6 citation statements)

References 22 publications

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“…It was noted that from the eigth week of our study, the highest egg weight was recorded with a 30% substitution rate, which otherwise would have had the highest feed consumption values, in accordance with the work of De Lemos et al [ 20 ]. The egg production of treatment T2 (30% substitution rate) is close to that of the control treatment and equal to the latter at 8 weeks, the low rate of laying observed in our study, according to Retes et al [ 25 ], who attributed the low egg production to the fact that the calculation started from the first egg laid. According to De Lemos et al [ 20 ], the low laying rate could be due to the fact that the quails used are not genetically selected for laying.…”

Section: Discussionsupporting

confidence: 85%

“…A much higher FCR was recorded for the control batches for the whole growth period, from 3.7 to 10.2 [ 25 – 27 ], but also lower FCR (from 2.72 to 3.32) by Bonos et al [ 28 ], and a similar FCR to our control batch [ 20 , 29 ]. According to Kanyinji and Moonga [ 30 ], the increase in FCR may be a consequence of wastage and its reduction may be related to high fiber content.…”

Section: Discussionsupporting

confidence: 65%

“…In our trial, the first eggs and songs were observed with the T1 (15%) females aged between 6 and 7 weeks, in contrast to the observations made by Hassan et al [ 49 ] at 50 days with his control batch. Sexual maturity was observed between 60 and 62 days by Retes et al [ 25 ]. The sexual maturity of Japanese quails and other animals can be influenced by genetic factors, body weight, and other factors [ 50 – 53 ].…”

Section: Discussionmentioning

confidence: 99%

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Valorization of cricket, Acheta domesticus (Linnaeus, 1758), flour as a source of dietary protein in Japanese quail, Coturnix japonica (Temminck and Schlegel, 1849), farming

François¹,

Rusu²,

Mohamadou³

et al. 2022

J Adv Vet Anim Res

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Objective: Quail production is ranked as an important alternative animal protein source in Cameroon. One of the main constraints of this production is the quality of feed, which lacks pro¬tein that is regularly supplied by fish meal. To avoid disagreements due to the constant shortage of fish meal, alternative protein sources are needed, and among them are crickets (Acheta domes¬ticus). The goal of this study was to find out how well Japanese quails could be raised if fish meal was replaced with cricket meal. Materials and Methods: A total of 192, 4-week-old quails were divided into 12 similar sets of 8 females and 8 males. The Four experimental diets (T00, T15, T30, and T45) were all formulated based on the level (0%, 15%, 30%, and 45%, respectively) of fish meal substitution with cricket meal in the basal diet (crude protein: 20.18% and ME: 3,013.78 kcal/kg) and randomly assigned to three sets in a completely randomized design consisting of four treatments each repeated three times. Growth, carcass, and some reproduction parameters were collected. The data were analyzed using one-way analysis of variance and the Duncan test, with a significance level of 5%. Results: Cricket meal diets increased body weight in males (204.32 ± 5.69 gm for T45) and regard¬less of the sex (226.72 ± 29.45 gm for T30) compared to 184.17 ± 3.11 gm and 214.55 ± 32.77 gm for the control group, respectively. In females, substitution at 30% increased body weight (253.80 ± 6.48 gm), while 45% induced a reduction (216.67 ± 6.49 gm) when compared to the control group value (244.92 ± 6.07 gm). Carcass yield and the proportion of different parts were not significantly affected by the experimental diets. Liver proportions were significantly higher at 15% and 35% cricket meal incorporation compared to 45%. First songs and egg laying were recorded at 7 weeks with T15, which also led to improved egg laying performance compared to the other treatments. Ovaries were poorly developed in the T45 females compared to the other treatments. Conclusions: Cricket flour might be a good candidate as a locally available protein source to sub¬stitute fish meal in the Japanese quail’s diet at the finisher and reproductive stages, and the level of 30% seems to be more efficient.

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Section: Discussionsupporting

confidence: 85%

Section: Discussionsupporting

confidence: 65%

Section: Discussionmentioning

confidence: 99%

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Valorization of cricket, Acheta domesticus (Linnaeus, 1758), flour as a source of dietary protein in Japanese quail, Coturnix japonica (Temminck and Schlegel, 1849), farming

François¹,

Rusu²,

Mohamadou³

et al. 2022

J Adv Vet Anim Res

View full text Add to dashboard Cite

show abstract

“…Therefore, it is assumed that the maintenance requirements for males may also be lower than those of females. Thus, the use of similar diets for both sexes could exceed the nutrient needs for males (Retes et al, 2019). Therefore, the difference between the two sexes may be due to the difference in their body size and, as a result, the difference in their maintenance requirements and body metabolism.…”

Section: Discussionmentioning

confidence: 99%

The histological and pathological changes of liver and testis of Japanese quails fed different levels of dietary L-valine

Rashidi

Sharifi

Alizadeh

et al. 2023

Preprint

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While the roles of dietary L-valine (VAL) in body weight gain were reported, reinforcing roles of this BCAA in oxidative stress and the side effects in sensitive organs such as liver and testis is an undertreated issue. This experiment was carried out to investigate the histological changes of liver and testis of Japanese quail fed different levels of dietary VAL. Japanese quail chicks (male and female) were used in a completely randomized design with five experimental groups (five levels of VAL), for 42 days. Experimental diets including 0.75 (Control), 0.85, 0.95, 1.05 and 1.15%VAL in diet were formulated to be isoenergetic and isonitrogenous to meet nutrients recommendation of growing quails. At 42 d of age, quails were slaughtered and tissue samples were collected and fixed to evaluate the histological indices of liver and testis. Increase of VAL in low protein diet (17% crude protein (CP)), increased diameter of liver cell nucleus and liver hepatocytes (P < 0.01) in both male and female. Bile duct hyperplasia was observed in treatment 1.05% VAL, and treatment 1.15% VAL showed mild hepatosteatosis. In 0.75% and 0.85% VAL groups, there was no negative effects on the liver histology. The level of 0.85% VAL in the diet improved reproductive indexes in male (Tubular differentiation index (TDI) and spermatic index (SI); P < 0.05). In conclusion, the use of high levels of VAL (more than 0.85%) in a low protein diet during at 1–42 d of age can lead to histological damage in the liver and testis of quails.

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“…According to Krishnan [76], Abou-Kassem et al [77], Retes et al [78], quail females are heavier on average than males, with evident differences in size after the third week of life. The mean body weight of quails, regardless of gender, was similar until the 14 days of age.…”

Section: Plos Onementioning

confidence: 99%

Growth curve mixed nonlinear models in quails

et al. 2023

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Our aim was to evaluate the use and application of different nonlinear mixed models, as well as to compare them with approach in nonlinear fixed models, for describing the growth curve of meat-type quails according to gender. A total of 15,002 and 15,408 records of males and females were used, respectively. The body weights were regressed on age of the animals using nonlinear models (Brody; Gompertz; Logistic, Morgan-Mercer-Flodin, Richards and Von Bertalanffy). All model parameters were considered fixed, whereas parameters related to asymptotic weight and maturity rate were fitted as random effects. The Bayesian Information Criterion was used to find the model of best fit. For both genders, the model that used the Morgan-Mercer-Flodin function with the inclusion of asymptotic weight as a random effect was considered the best-fitting model because it reduced the residual variance and increased the accuracy. Based on the lower absolute growth rate and growth velocity of male quails compared to that of females, it can be inferred that males should be slaughtered later. Given the results of this study, it can contribute to the current knowledge about animal yield, specifically at the best moment to slaughter and, this sense, improv the quality genetic of the populations in time.

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Reproductive characteristics of male and female Japanese quails (Coturnix coturnix japonica) fed diets with different levels of crude protein during the growth and production phases

Cited by 7 publications

References 22 publications

Valorization of cricket, Acheta domesticus (Linnaeus, 1758), flour as a source of dietary protein in Japanese quail, Coturnix japonica (Temminck and Schlegel, 1849), farming

Valorization of cricket, Acheta domesticus (Linnaeus, 1758), flour as a source of dietary protein in Japanese quail, Coturnix japonica (Temminck and Schlegel, 1849), farming

The histological and pathological changes of liver and testis of Japanese quails fed different levels of dietary L-valine

Growth curve mixed nonlinear models in quails

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