Role of Body Weight on Reproductive and Physiological Traits in Japanese Quail Layers (Coturnix japonica)

Arora, K. L.; Samples, Oreta

doi:10.3923/ijps.2011.640.643

Cited by 12 publications

(3 citation statements)

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“…In the 0.1 mg E 2 group, egg weight was increased in parallel to the increase in BW. It has been reported that BW in Japanese quail is positively correlated with egg weight (Arora and Samples, 2011;Ojo et al, 2011). Egg number was not significantly altered by E 2 injections in this study, but it was slightly increased in the E 2 -injected group.…”

Section: Discussionmentioning

confidence: 95%

Effect of estradiol-17β on follicle-stimulating hormone secretion and egg-laying performance of Japanese quail

Çiftçi

2012

Animal

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The aim of this study was to measure the effect of estradiol-17b (E 2 ) injection on follicle-stimulating hormone (FSH) secretion and egg-laying performance of Japanese quail. Female Japanese quail were housed in cages and fed ad libitum. After a 7-day adaptation period, the birds were randomly assigned to three groups, that is, one control group and two test groups. The birds were weighed, before every injection. The control group was subcutaneously injected with 0.2 ml sesame oil-ethanol mixture, whereas test groups were injected, twice in a week, with 0.2 ml sesame oil-ethanol mixture containing 0.1 or 0.2 mg E 2 along the study. One day after the first injection, egg number, egg weight, eggshell strength and food conception were daily recorded. On the last day of the experiment, the birds were injected and 3 h later seven birds from each group were randomly selected for bleeding. Blood samples (2 ml/bird) were collected from the jugular vein for the measurements of serum concentrations of E 2 , FSH, calcium (Ca) and phosphorus (P). E 2 injection did not cause any significant changes in serum FSH concentrations, daily egg laid/ bird, food conception/bird, serum concentrations of the Ca and the P. Egg weight was significantly increased in the 0.1 mg E 2 -injected group as compared with the control and 0.2 mg E 2 -injected groups. Eggshell strength in the 0.2 mg E 2 -injected group was significantly high as compared with the control, whereas the difference between the 0.1 mg E 2 -and 0.2 mg E 2 -injected groups was not statistically important. These results show that serum FSH concentration was not increased even when slightly suppressed by subcutaneous injection of 0.1 or 0.2 mg E 2 . Different doses of E 2 have different functions. The increase in BWs in the 0.1 mg E 2 -injected group was a result of the dose effect, which probably increased growth hormone secretion from the pituitary or IGF-1 synthesis from the liver or both. The dose, 0.2 mg E 2 , was ineffective in increasing the BW, but it significantly increased eggshell strength probably via the increase in Ca and P utilizations.Keywords: egg, follicle, estradiol, quail ImplicationsThe Japanese quail (Coturnix japonica) belongs to the order Galliformes and the family Phasianidae. They have been used for meat and egg production since 1900. After World War II, the Japanese quail has become an important experimental animal, similar to the mouse and rat, for scientific research in universities. Recently, they have been accepted as a model animal for studying the relationship between the endocrine status and the reproductive behaviors. Not enough data are available about the relationship between serum estradiol-17b (E 2 ) concentration and egg-laying performance of the Japanese quail. A few studies were conducted to measure the effect of intramuscular E 2 benzoate injection on egglaying performance, whereas the majority of other studies mainly focused on the effect of phytoestrogen (daidzein and genistein)-containing diet on the egg-laying performance of the...

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Section: Discussionmentioning

confidence: 95%

Effect of estradiol-17β on follicle-stimulating hormone secretion and egg-laying performance of Japanese quail

Çiftçi

2012

Animal

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“…These results indicate that the treatment of replacing fish meal with BSF flour added with 2% Trichoderma mould does not interfere with ovarian growth. The growth and development of ovaries are related to age and quail weight; following Arora and Samples (2011) and Elkomy et al (2019), the greater the quail's weight, the greater the ovarian weight.…”

Section: The Ovarian Weight and Relative Weight Of The Ovarymentioning

confidence: 99%

Fish Meal Substitution with Black Soldier Fly Larva on Growth Performance of Female Grower Quail

Mulyono

Widiyanto

Mangisah

et al. 2023

Jurnal Sain Peternakan Indonesia

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The study aimed to evaluate fish meal substitution with black soldier fly larvae supplemented with 2% Trichoderma culture on female grower performance and carcass traits quail. The materials used were 200 two-week-old female quails with an average body weight of 51.5 ± 7.3 grams. The study used a completely randomized design with five treatments and four replications. The treatments were: BSF0 (100% fish meal), BSF25 (75% fish meal + 25% BSF meal), BSF50 (50% fish meal + 50% BSF meal), BSF75 (25% fish meal + 75% BSF meal) ), BSF100 (100% BSF meal). The BSF meal used was added with 2% Trichoderma culture. The rations were iso-calorie and iso-protein, formulated from yellow corn, soybean meal, fish meal, BSF meal, mineral mix, and Trichoderma culture, with metabolic energy of 2,900 kcal/kg and 24% protein. The data were analyzed using variance analysis to determine if it had a significant effect, then continued with Duncan's Multiple Range Test. The results showed that the treatments were insignificant to the FCR, percentages carcass, and ovaries. Nevertheless, significant to (p<0.05) feed intake, live weight, average daily gain and abdominal fat. The substitution of fish meal with BSF + 2% Trichoderma culture was more than 75% decreased feed consumption which caused a decrease in quail's life weight. According to the carcass traits, the BSF + Trichoderma sp 2% could be used up to 100%. However, based on quail performance, it can be concluded that BSF + 2% Trichoderma sp can be used up to 75% in quail rations without harmful effects.

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“…In addition, at the onset of the laying period, the bodyweight of quails is still increasing, influencing ovary and follicle size. Quails with body weights of 120-130 g have an F1 follicle weight of 2.31 g, while quails with body weights of 150-160 g have F1 follicle weights of 3.34 g [46]. In most birds, ovaries show five follicle sizes (largest to smallest: F1, F2, F3, F4, and F5); small, yellow follicles, and numerous white follicles [38,47].…”

Section: Follicular Characteristicsmentioning

confidence: 99%

The effect of activated silicon dioxide and betaine supplementation on quails' growth and productivity

2021

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Background and Aim: Silicon dioxide and betaine supplements are essential in the poultry diet to improve growth and laying performance. This study aimed to determine the effect of activated silicon dioxide (ASD) and betaine supplementation on quails' growth performance during the starter period and on follicular development and productive parameters at the onset of the laying period. Materials and Methods: The research used 1064 quails, aged 7 days. Four treatments were employed: A basal diet (control), a diet supplemented with 200 ppm ASD, a diet supplemented with 0.12% betaine, and a diet supplemented with a combination of 200 ppm ASD and 0.12% betaine (ASD+Betaine). Each diet group included seven replicates of 38 quails. The observed parameters were the quails' growth performance during the starter period and follicular development and egg production during the onset of the laying period. Results: The results showed that combined supplementation with ASD+Betaine improved the quails' growth performance during the starter period (p<0.05). However, these supplements, either as single feed additives or in combination, did not affect ovarian and follicular characteristics during the onset of the laying period. Still, ASD and betaine enhanced egg production and weight. The highest magnitude of change resulted from combined supplementation with ASD+Betaine (p<0.05). Conclusion: The ASD+Betaine could be productively applied to quails' diets during the starter period and at the onset of the laying period.

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Role of Body Weight on Reproductive and Physiological Traits in Japanese Quail Layers (Coturnix japonica)

Cited by 12 publications

References 3 publications

Effect of estradiol-17β on follicle-stimulating hormone secretion and egg-laying performance of Japanese quail

Effect of estradiol-17β on follicle-stimulating hormone secretion and egg-laying performance of Japanese quail

Fish Meal Substitution with Black Soldier Fly Larva on Growth Performance of Female Grower Quail

The effect of activated silicon dioxide and betaine supplementation on quails' growth and productivity

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