scholarly journals Respon Produksi Telur Puyuh (Coturnix Coturnix Japonica) dengan Pembatasan Pakan secara Kualitatif dan Kuantitatif pada Saat Pertumbuhan

2019 ◽  
Vol 19 (2) ◽  
Author(s):  
Rosa Tri Hertamawati ◽  
Edhy Sudjarwo ◽  
Osfar Sjofjan ◽  
Suyadi Suyadi
Keyword(s):  
Sexual Maturity ◽  
Egg Production ◽  
Feed Consumption ◽  
Restricted Feeding ◽  
Feed Conversion ◽  
Coturnix Coturnix ◽  
Randomized Design ◽  
Early Production ◽  
Ad Libitum ◽  
And Performance

Production responses of laying quails fed with restricted feeding during rearing were measured in four trials. The research was an experimental observation applying Nested Complete Randomized Design. An experiment using 300 fourteen days old quails. The quails maintained under two feeding restriction programs feeding allotted to 2 dietary regimes, qualitative restricted feeding are Metabolize Energy (ME) R1= 2900 kcal/kg; R2 = 2800 kcal/kg and quantitative restricted feeding; P0 = 100% of ad libitum; P1 = 90% of ad libitum and P2 = 80% of ad libitum (n= 300). Each group (n= 50) has five replicates containing 10 birds each. Restricted feeding treatment is done for fourteen days old quail until its sexual maturity. After its sexual maturity, the feeding is given in ad libitum. Observation is conducted for the feed energy and protein consumption, and performance of egg production. The results of experiment indicate that the restricted feeding consequently significant influenced (P<0.01) on the protein and energy feed consumption. Restricted feeding until 90% ad libitum showed similar egg production with ad libitum treatment and decrease in feed conversion at the early production. Metabolize energy of ration does not have a significant effect to egg production with the result that a feed restriction of 90% ad libitum and EM feed of 2900 Kcal / kg can be applied during the starter period.

scholarly journals PERFORMANS BURUNG PUYUH (Coturnix – coturnix japonica) YANG DIBERIKAN TEPUNG KEONG SAWAH (Pila ampullacea) SEBAGAI PENGGANTI TEPUNG IKAN DALAM RANSUM

ZOOTEC ◽  
2016 ◽  
Vol 37 (1) ◽  
pp. 62 ◽  
Author(s):  
Fransela The ◽  
Ch. L. K. Sarajar ◽  
M. E. R. Montong ◽  
M. Najoan
Keyword(s):  
Data Collection ◽  
Analysis Of Variance ◽  
Egg Production ◽  
Coturnix Japonica ◽  
Feed Consumption ◽  
Coturnix Coturnix Japonica ◽  
Feed Conversion ◽  
Coturnix Coturnix ◽  
Randomized Design ◽  
Completely Randomized Design

PERFORMANS OF QUAIL (Coturnix – coturnix japonica) PROVIDED CONCH PADDY (Pila ampullacea) FLOUR  AS A SUBSTITUTE FOR FISH FLOUR IN THE RATION. This research aims to determine the extent to which the use of conch paddy (Pila ampullacea) flour as a substitute for fish flour in the ration on the performances of Quail (Coturnix- Coturnix japonica). This research used 60 quail 5-week-old female and for data collection was performed 8 weeks. The design used was a completely randomized design (CRD), which consists of 4 treatments and 5 replications. Such treatment is the conch paddy flour with some level of giving in the ration, which is : R0 = 0% conch paddy flour + 15% fish flour, R1 = 5% conch paddy flour + 10% fish flour, R2 = 10% conch paddy flour + 5% fish flour, and R3 = 15% conch paddy flour + 0% fish flour. Variables measured in order to see the response of quail to the conch paddy flour is feed consumption, egg production and feed conversion. Results of analysis of variance showed that the treatment was not significantly different on feed consumption, egg production and feed conversion. Based on the results of this research indicate conch paddy flour up to the level of 15% can be used as a substitute for fish flour in the ration of quail. Keywords : quail, conch paddy, performances, and fish flour

scholarly journals PENAMBAHAN RIMPANG KUNYIT (CURCUMA DOMESTICA VAL), RIMPANG TEMULAWAK (CURCUMA XANTHORRIZA ROXB) DAN RIMPANG TEMU PUTIH (CURCUMA ZEDOARIA ROSC) DALAM RANSUM KOMERSIAL TERHADAP PERFORMANS BURUNG PUYUH (Coturnix-coturnix japonica)

ZOOTEC ◽  
2014 ◽  
Vol 34 (1) ◽  
pp. 114
Author(s):  
Patri Seila Kaselung ◽  
M E.K Montong ◽  
C L.K Sarayar ◽  
J L.P Saerang
Keyword(s):  
Egg Production ◽  
Coturnix Japonica ◽  
Feed Consumption ◽  
Curcuma Zedoaria ◽  
Feed Conversion ◽  
Coturnix Coturnix ◽  
Randomized Design ◽  
Ginger Rhizome ◽  
Ginger Powder ◽  
Completely Randomized Design

ABSTRACT ADDITION TURMERIC, GINGER RHIZOME AND WHITE RHIZOME OF COMMERCIAL RATION ON QUAILS’ PERFORMANCES. This study aims to determie the effectiveness of the addition of Turmeric powder (Curcuma domestica Val), Javanese ginger powder (Curcuma xanthorriza Roxb) and White turmeric powder (Curcuma zedoaria Rosc) in a commercial ration towardsthe performance of quail. The material used were 120 female quails 6 weeks of age. We used the Completely Randomized Design with 4 treatments and 5 replications. The treatments were applied as follows : R0 = basic ration without turmeric, Javanese ginger, and white turmeric powder, R1 = base + 2% ration turmeric powder, R2 = base + 2% ration Javanese ginger powder, R3 = base + 2% ration of Javanese ginger and white turmeric powder. The results showed that the addition of turmeric powder, Javanese ginger powder and white turmeric powder in the ration was not significantly different (P > 0.05) on the performance of quails (feed consumption, egg production and feed conversion). We conclude that the addition of turmeric powder, Javanese ginger powder, and white turmeric powder as much as 2% in commercial rations didn’t raise the feedconsumption, egg production, and surpresses the feed conversion. Keywords : Quail, Turmeric, Javanese Ginger, White Turmeric

scholarly journals Reproductive Performance of Japanese Quail Hens (Coturnixcoturnix japonica) Fed with Feed Restriction Regimes during Growth Period

2019 ◽  
Author(s):  
R T Hertamawati ◽  
Suyadi . ◽  
E Soedjarwo ◽  
O Sjofjan
Keyword(s):  
Body Weight ◽  
Reproductive Performance ◽  
Sexual Maturity ◽  
Egg Production ◽  
Reproductive Organ ◽  
The Body ◽  
Feed Restriction ◽  
Restricted Feeding ◽  
Feed Conversion ◽  
Ad Libitum

Reproductive performance of quail hens (Coturnixcoturnix japonica) at sexual maturity was evaluated following two feeding restriction programs (100%, 90% and 80% of ad libitum) and energy metabolism (EM) of ration: 2900 Kcal/kg and 2800 Kcal/kg) between 2 weeks and 5 weeks of age with five replicates of 10 chicks per replicate. Body weight and feed conversion were measured weekly during feed restriction. After experimental feeding treatment, age at first egg, BW, egg weight, development of reproductive organ on sexual maturity were evaluated of one hen’s quail per treatment. The results of the experiment indicated that the restricted feeding until 80% of ad libitum was consequently (p 0.01) delayed sexual maturity and influence the development of the reproductive organ. However, it did not show significant influence on the body weight of the first-laid egg and initial egg production. Restricted feeding at 90% of ad libitum and EM ration 2900 Kcal/kg showed the best results for quail feed management during growth.

scholarly journals PERFORMANCE OF QUAILS (Coturnix-coturnix japonica) GIVEN DRINK CONTAINING MORINGA LEAF SOLUTION IN THEIR GROWING PERIOD

2019 ◽  
Vol 4 (2) ◽  
pp. 75
Author(s):  
Fatkur Rohman ◽  
Ristika Handarini ◽  
Hanafi Nur
Keyword(s):  
Drinking Water ◽  
Body Weight ◽  
Egg Production ◽  
Body Weight Gain ◽  
Coturnix Japonica ◽  
Feed Conversion ◽  
Coturnix Coturnix ◽  
Growing Period ◽  
Randomized Design ◽  
Completely Randomized Design

Moringa leaves contain phytochemicals which can be used to improve the performance of quails in their growing period.  This study was aimed at assessing the effects of the inclusion of moringa leaf solution in drinking water on the performance of quails.  The study was conducted at Badrupuyuh Farm, Sukajaya Village RT 01/02, Ciomas, Bogor Regency from October to December 2017.  One-hundred quail birds aged 7 days with average initial body weight of 17.87±0.46 g were used.  The birds were fed starter and grower commercial rations.  Moringa leaf solution was given through drinking water.  A completely randomized design with 4 treatments and 5 replicates was used.   Treatments consisted of drinking water containing no moringa leaf solution (R0), drinking water containing 5% moringa leaf solution (R1), drinking water containing 10% moringa leaf solution (R2), drinking water containing 15% moringa leaf solution (R3).  Data were subjected to an analysis of variance and a Duncan test.  Measurements were taken on feed intake, body weight gain (BWG), feed conversion, and mortality rate.  Results showed that there were significant effects (P<0.05) of treatments on BWG in week 2 and 4 and feed conversion in week 2.  No mortality of quails was found.  It was concluded that the inclusion of 10% moringa leaf solution in drinking water could increase BWG in week 2 and 4, improve feed conversion, and maintain the life of quails.  It was recommended that further studies on the effects of moringa leaf solution inclusion in drinking water on egg production in laying period.  Key words: performance, quail, moringa leaf solution

scholarly journals Penggunaan Tepung Limbah Udang sebagai Bahan Pakan Sumber Protein terhadap Performa Produksi Puyuh Fase Layer (Coturnix-coturnix japonica)

2018 ◽  
Vol 5 (2) ◽  
pp. 31
Author(s):  
Hamdan Has ◽  
Astriana Napirah ◽  
Widhi Kurniawan ◽  
Natsir Sandiah
Keyword(s):  
Egg Production ◽  
Production Performance ◽  
Feed Consumption ◽  
Shrimp Waste ◽  
Feed Conversion ◽  
Treatment Unit ◽  
Egg Weight ◽  
Randomized Design ◽  
Average Production ◽  
Laying Quail

ABSTRAKLimbah udang merupakan limbah pengolahan udang yang memiliki potensi sebagai pakan sumber protein bagi ternak puyuh. Penelitian ini bertujuan mengkaji penggunaan tepung limbah udang (TLU) sebagai sumber protein pakan pada puyuh fase layer. Penelitian ini menggunakan rancangan acak lengkap empat perlakuan lima ulangan perlakuan yang digunakan terdiri dari empat level penggunaan tepung limbah udang dalam ransum yaitu P0 (kontrol), P1 (5% TLU), P2 (7,5% TLU) dan P3 (10% TLU), tiap unit perlakuan disi dengan 5 ekor puyuh. Puyuh yang diguanakan adalah puyuh fase layer umur 20 minggu, sebanyak 100 ekor yang didistribusikan kedalam 20 unit percobaan. Bahan pakan yang digunakan adalah jagung, dedak padi, konsentrat petelur dan tepung limbah udang. Data yang diperoleh dianalisis ragam dan data yang berbeda nyata (P<0,05) diuji lanjut menggunakan uji duncan. Variabel yang diamati adalah performa produksi: konsumsi pakan, produksi telur, bobot telur dan konversi ransum. Hasil penelitian menunjukkan bahwa penggunaan TLU dalam ransum (P1,P2 dan P3) menunjukkan pengaruh nyata (P<0,05) dibanding kontrol pada minggu ke-tiga penelitian terhadap bobot telur dan konversi ransum, penggunaan TLU (P1,P2,P3) selama lima minggu meningkatkan konsumsi ransum (P<0,05) dibanding kontrol tetapi tidak berbeda nyata (P>0,05) terhadap produksi telur, bobot telur dan konversi ransum. Kesimpulan penelitian ini bahwa penggunaan TLU dalam ransum dapat digunakan hingga level 7,5% sedangkan level 10% menunjukkan adanya penurunan rata-rata performa produksi.Kata kunci: tepung limbah udang, puyuh fase layer, performa produksiABSTRACTShrimp waste was shrimp processing waste which has the potential as protein source for quail feed. This study was aimed to examine the use of shrimp waste flour (SWF) asprotein source for laying quail feed. This study used  completely randomized design that consist of four treatments and five replications.The treatmentswere using levels of shrimp waste flour in feed and consist of P0 (control), P1 (5% SWF), P2 (7.5% SWF) and P3 (10% SWF ). Each treatment unit was filled with 5 quails. One hundred of 20 weeks laying quails were used in this study. Self mixing feed that contained corn, rice bran, laying concentrate and shrimp waste flour were used in this study. The data obtained were analyzed using analyze of variance and continued using Duncan multiple range test. The variables observed were production performance that consist of feed consumption, egg production, egg weight and feed conversionratio. The results showed that the use of SWF in feed (P1, P2 and P3) showed a significant effect (P <0.05) compared to controls in the third week of research on egg weight and feed conversion ratio.The use of SWF (P1, P2, P3) for five weeks increased feed consumption (P <0.05) compared to controls but not significantly different (P>0.05) for egg production, egg weight and feed conversion. The conclusion of this study was the use of SWF in feed can be used until 7.5% on laying quail feed while the level of 10% indicates a decrease in average production performance.Keywords: shrimp waste flour, laying quail, production performance

scholarly journals Utilitas Asam Organik Sari Belimbing Wuluh dan Asam Sitrat Sintetis Sebagai Acidifier Terhadap Performa Produksi Puyuh (Coturnix coturnix Japonica) Fase Grower

2020 ◽  
Vol 7 (2) ◽  
pp. 133
Author(s):  
Hamdan Has ◽  
Astriana Napirah ◽  
Widhi Kurniawan ◽  
La Ode Nafiu ◽  
Takdir Saili
Keyword(s):  
Body Weight ◽  
Weight Gain ◽  
Citric Acid ◽  
Body Weight Gain ◽  
Coturnix Japonica ◽  
Feed Consumption ◽  
Coturnix Coturnix Japonica ◽  
Feed Conversion ◽  
Coturnix Coturnix ◽  
Randomized Design

ABSTRAKPenggunaan acidifier baik organik atau sintetis dapat meningkatkan optimalisasi nutrien di dalam saluran pencernaan.  Optimalisasi nutrien diharapkan dapat meningkatkan performa ternak khususnya puyuh. Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan dua macam acidifier terhadap performa puyuh fase grower. 100 ekor unsexed puyuh (Coturnix coturnix Japonica) fase grower umur 14-40 hari digunakan dalam penelitian yang menggunakan rancangan acak lengkap dengan lima perlakuan dan empat ulangan. Bahan pakan yang digunakan adalah jagung kuning, dedak, konsentrat puyuh komersil, sari belimbing wuluh, dan asam sitrat sintetis. Perlakuan yang dicobakan terdiri dari perlakuan kontrol (P0), penggunaan 0,3% asam sitrat sintetis (P1), penggunaan 0,25% sari belimbing wuluh (P2), penggunaan 0,6% asam sitrat sintetis (P3), dan penggunaan 0,5% sari belimbing wuluh (P4). Variabel yang diamati adalah konsumsi ransum, pertambahan bobot badan dan konversi ransum mingguan. Penggunaan sari belimbing wuluh memiliki konsumsi pakan yang lebih rendah  (P<0,05) pada minggu pertama dibanding kontrol dan asam sitrat sintetis.  Penggunaan asam sitrat sintetis meningkatkan pertambahan bobot badan pada minggu pertama (P<0,05). Penggunaan asam sitrat sintetis nyata dapat menurunkan konversi pakan minggu ke tiga dan empat dibanding kontrol dan asam organik belimbing wuluh. Kesimpulan penelitian ini yaitu penggunaan sari belimbing wuluh sebagai acidifier belum menunjukkan perbaikan performa yang signifikan sedangkan penggunaan asam sitrat sintetis memiliki performa yang lebih baik dibanding perlakuan kontrol dan penggunaan sari belimbing wuluh.Kata kunci: acidifier, asam sitrat, belimbing wuluh, puyuh fase growerABSTRACTThe organic and synthetic acidifiers could improve the optimization of nutrients utilization in the quail digestive tract. Furthermore, the optimization of nutrients is expected to improve quail performance. This study was aimed to determine the effect of using two types of acidifiers (Averrhoa bilimbi juice and synthetic citric acid) on the grower phase of quail performance. Total of 100 unsexed quails (Coturnix coturnix japonica) grower phase aged 14-40 days were used in this research and designed as a completely randomized design of five treatments and four replications. Feed ingredients used were yellow corn, rice bran, commercial quail concentrate, Averrhoa bilimbi juice (organic acidifier), and synthetic citric acid. The treatments consisted of control (P0), 0.3% synthetic citric acid (P1), use of 0.25% Averrhoa bilimbi juice (P2), use of 0.6% synthetic citric acid (P3), and use of 0.5% Averrhoa bilimbi juice (P4). The variables observed were weekly feed intake, body weight gain, and feed conversion. The result showed that utilization of Averrhoa bilimbi juice has lower feed consumption (P<0.05) in the first week compare to control and synthetic citric acid, and synthetic citric acid utilization increases body weight gain in the first week (P<0.05). The use of synthetic citric acid significantly reduces feed conversion in the third and fourth weeks compared to control and organic acid groups. The conclusion of this study is the utilization of Averrhoa bilimbi juice as an acidifier has not shown significant improvements in quail performance. The use of synthetic citric acid has a better performance compared to control and Averrhoa bilimbi juice utilization.Keywords: acidifier, organic acidifier, citric acid, growing quail

scholarly journals EFEK PENAMBAHAN EKSTRAK KAYU SECANG (Caesalpinia sappan L.) DAN MINYAK IKAN LEMURU DALAM RANSUM PAKAN TERHADAP HEN DAY PRODUCTION, KONVERSI PAKAN, DAN MORTALITAS PUYUH PETELUR

2020 ◽  
Vol 14 (2) ◽  
pp. 1-8
Author(s):  
Anang Widigdyo ◽  
Adiguna Sasama Wahyu Utama
Keyword(s):  
Fish Oil ◽  
Egg Production ◽  
Feed Consumption ◽  
Feed Conversion ◽  
Caesalpinia Sappan ◽  
Flavonoid Compounds ◽  
Randomized Design ◽  
Low Concentrations ◽  
Wood Extract ◽  
Completely Randomized Design

The purpose of this study was to evaluate the effect of giving levels of secang wood extract and lemuru fish oil on the appearance of laying quails which included feed consumption, Hen Day Production (HDP), feed conversion of quail egg mortality. This study used Autumn strain quail with a population of 168 individuals with basal feed supplemented with several levels of secang wood extract. This research method is an experiment using a completely randomized design (CRD) factorial with 4 treatments with 6 replications with each repetition consisting of 7 quails aged 10-15 weeks. The treatment was as follows: P0 = basal feed without the addition of secang wood extract P1 = basal feed + 0.2% EKS + 4% MIL, P2 = basal feed + 0.4% EKS + 4% MIL, P3 = basal feed + 0 , 6% EX + 4% MIL. The addition of a combination of secang wood extract and fish oil was carried out according to the level of quail feeding. The variable being measured; feed consumption, Hen Day Production (HDP), Feed conversion, mortality. Addition of secang wood extract with a level of 0%; 0.2%; 0.4%; 0.6%, and 4% lemuru fish oil had no significant effect on feed consumption, hen day production, feed conversion, mortality, this was due to flavonoids, polyphenols and active compounds in oil. lemuru fish does not affect the appearance of quail egg production. Flavonoid compounds in low concentrations have no effect on chicken feed consumption, because the content of flavonoid compounds can still be tolerated by the chicken body. The use of lemuru fish oil with a concentration of up to 6% in quails does not affect the consumption of quail feed, because the addition of lemuru fish oil does not affect the palatability of quail feed. The conclusion of this study was that the addition of secang wood extract. The addition of secang wood extract and lemuru fish oil did not affect hen day production, feed conversion and mortality of laying quails

scholarly journals PENGARUH WARNA CAHAYA LAMPU TERHADAP PRODUKSI TELUR BURUNG PUYUH ( Coturnix coturnix japonica )

ZOOTEC ◽  
2017 ◽  
Vol 37 (2) ◽  
pp. 224
Author(s):  
Jimmy Sangi ◽  
J. L.P Saerang ◽  
F.J Nangoy ◽  
J Laihat
Keyword(s):  
Egg Production ◽  
Egg Laying ◽  
Coturnix Japonica ◽  
Feed Consumption ◽  
Coturnix Coturnix Japonica ◽  
Light Bulb ◽  
Egg Weight ◽  
Coturnix Coturnix ◽  
Randomized Design ◽  
Bulb Color

EFFECT OF LIGHT BULB COLOR ON EGG PRODUCTION OF QUAILS  (Coturnix Coturnix japonica). The present study was conducted to determine the effect of different color of light bulbs on egg production of Quails (Coturnix Coturnix japonica).  The trial was conducted for seven weeks during the egg laying period. A Completely Randomized Design (CRD) with 4 treatments and 5 replications was used to as experimental design. Treatments were formulated using 5 different light bulb colors, as follow:  R0 = no color (transparent) light bulb, R1 = yellow color light bulb; R2 = green color light bulb, and R3 = red color light bulb. The variables measured were: feed consumption, egg production, and egg weight. Research results showed that treatment did not significantly (P > 0.05) affect daily feed consumption, egg production, and egg weight. It can be concluded that color differences (transparent, yellow, green, and red) in lighting can be used interchangeably in Quail egg production purposes.Keywords: Light bulb color, Quail, feed consumption, egg production, egg weight

scholarly journals Performa Ayam Arab dengan Pemberian Energi-Protein pada Level Berbeda

2019 ◽  
Vol 1 (1) ◽  
pp. 7-12
Author(s):  
Windawati Alwi ◽  
Laily Agustina ◽  
Muhammad Zain Mide
Keyword(s):  
Analysis Of Variance ◽  
Protein Level ◽  
Egg Production ◽  
Feed Consumption ◽  
Feed Conversion ◽  
Randomized Design ◽  
Optimal Feed ◽  
Completely Randomized Design ◽  
Materials Used

This research aimed to determine the effect of different energy and protein level giving in Arabic chicken on feed consumption, egg production and feed conversion. The materials used for this experiment were 80 heads of arabic chicken 5 months age and maintained for 6 weeks (36 days). The method used was completely randomized design (CRD) which consists of 4 treatments and 10 replications that R1 (protein 15% and EM 2 500 Kcal), R2 (protein 16% and EM 2 600 Kcal), R3 (protein 17% and EM 2 700 Kcal) and R4 (protein 18% and EM 2 800 Kcal). Analysis of variance showed that treatment significantly (P<0.05) on feed consumption, egg production and feed conversion. It could be concluded that more increasing energy and protein, the higher egg production, feed consumption and generates optimal feed conversion. Energy and protein with a protein level of 18% and energy 2 800 Kcal kg-1 showed better performance.

scholarly journals Time-Restricted Feeding in Commercial Layer Chickens Improves Egg Quality in Old Age and Points to Lack of Adipostat Activity in Chickens

2021 ◽  
Vol 12 ◽  
Author(s):  
Ganesan Saibaba ◽  
Mark Ruzal ◽  
Dima Shinder ◽  
Sara Yosefi ◽  
Shelly Druyan ◽  
...  
Keyword(s):  
Feed Intake ◽  
Visceral Fat ◽  
Egg Production ◽  
Egg Quality ◽  
Feed Consumption ◽  
Control Group ◽  
Restricted Feeding ◽  
Fat Accumulation ◽  
Visceral Fat Accumulation ◽  
Ad Libitum

In mammals, time-restricted feeding (TRF) with no caloric restriction provides health benefits and extends longevity, usually with a minor (∼3%) or no reduction in total food consumption. In the current study, a TRF regimen of 6 h free access to food (08:00–14:00 h) was applied to Leghorn chickens from 25 to 86 weeks of age; control birds ate freely during the light hours (06:00–20:00 h). Unexpectedly, the TRF-treated birds consumed, on average, 11.7% less food than the controls. This was manifested by an average reduction of 9.6% in body weight, 2.6-fold in visceral fat accumulation, and 6.5% in egg weight. Hen-housed egg production was reduced by 3.6% in the TRF group compared with the control, along the first 40 weeks of the follow-up (P &lt; 0.05), and changed into a tendency of 0.7% higher egg production thereafter. Several parameters of egg quality showed significant improvement (P &lt; 0.05) in the TRF group compared with the controls. A comparison of diurnal patterns of feed consumption revealed a higher rate of hourly consumption in the TRF group and increased consumption before dark in the control group. In conclusion, the reduced feed intake in response to the TRF treatment and loss in visceral fat accumulation supports the lack of a strong adipostat activity in chickens and different appetite regulation mechanisms compared with mammals. Therefore, future TRF studies in chickens should be adjusted by extending the ad libitum time window. The lower feed intake by the TRF-treated chickens compared with the ad libitum-fed controls seems to reduce the efficiency of egg production. Nevertheless, the improved egg quality and persistence of egg lay at the older age suggest that similarly to mammals, the TRF treatment delayed at least some of the negative impacts associated with advanced age.

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