Effects of Dietary Protein and Energy on Growth Performance and Carcass Characteristics of Betong Chickens (Gallus domesticus) During Growing Period

Nguyen, Tuan Van; Bunchasak, Chaiyapoom; Chantsavang, Somchai

doi:10.3923/ijps.2010.468.472

Cited by 24 publications

(25 citation statements)

References 11 publications

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“…Increasing levels of protein increased feed intake, body weight gain and improved FCR as compared with least level of protein (Attia et al, 2001;Ghazanfari et al, 2010). Jackson et al, (1982) found that a low protein diet below 18% CP reduced growth rate and increasing dietary protein levels, positively improved growth performance and feed utilization in Betong chicks (van Nguyen and Bunchasak, 2005).…”

Section: Growth Performancementioning

confidence: 99%

“…The low protein diet decreased carcass and breast percentage during different periods and thigh percentage at 21 days of age (van Nguyen and Bunchasak, 2005;Smith and Pesti, 1998;Attia et al, 2001). The significant effect of energy levels on abdominal fat is similar to the previous study of Seatton et al, (1978) and Attia et al, (1998) found an increasing carcass fat with elevation of energy levels.…”

Section: Carcass Characteristicsmentioning

confidence: 99%

“…The relative percentages of breast and thigh for individual broilers were calculated by dividing the weight of the carcass parts to the individual carcass weight. The relative percentages of carcass for individual broilers were calculated by dividing the weight of carcass to the individual body weight (van Nguyen and Bunchasak, 2005).…”

Section: Carcass Yield Assaysmentioning

confidence: 99%

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Changes in ghrelin mRNA level, plasma growth hormone concentration and performance in different dietary energy and protein levels in broiler chicken

Ghazanfari

Tahmoorespur

Nobari

2010

Italian Journal of Animal Science

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We studied the effects of different energy and protein contents of the diet on performance, growth hormone concentration and ghrelin gene expression in broiler chicken. Two experiments were conducted to determine whether different dietary energy and protein levels alter growth hormone concentration and ghrelin mRNA abundance in broiler chicks. Body weight and feed intake were recorded weekly. Blood, carcass traits and proventriculus samples were collected at 21, 42 and 56 days of age. Blood samples assayed for growth hormone (GH) concentration by radio immuno assay (RIA) and ghrelin gene expression from proventriculus tissue was measured by Real Time polymerase chain reaction (PCR). Feed intake and body weight gain increased in broilers fed on low-energy diets compared with those fed on high-energy diets at 21 days of age (P<0.0001). Also, increasing dietary energy improved feed conversion (FCR) at 22-42 days of age in broiler chicken (P<0.0001). Increasing levels of protein increased feed intake, body weight gain and improved FCR as compared with low level of protein. Carcass percentage and breast percentage increased in broilers fed on high protein diets compared with those fed on low-protein diets during different periods. High-energy and low-protein diets increased abdominal fat percentage in broiler chickens. The result of this experiment indicated that there was no effect of different dietary energy and protein levels on growth hormone concentration and ghrelin gene mRNA expression for broiler chicken.

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Section: Growth Performancementioning

confidence: 99%

Section: Carcass Characteristicsmentioning

confidence: 99%

Section: Carcass Yield Assaysmentioning

confidence: 99%

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Changes in ghrelin mRNA level, plasma growth hormone concentration and performance in different dietary energy and protein levels in broiler chicken

Ghazanfari

Tahmoorespur

Nobari

2010

Italian Journal of Animal Science

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“…Di pihak lain, pencapaian BH dan PBH kelompok ayam yang diberi ransum R6, 17% PK, 2.800 kkal ME/kg (ransum dengan kadar gizi paling rendah), dimana diketahui bahwa tingkat BH dan PBH tidak berbeda secara nyata (P>0,05) dengan kelompok perlakuan R2 (21% PK, 2.800 kkal ME/kg), R3 (19% PK, 3.000 kkal ME/kg), R4 (19% PK, 2.800 kkal ME/kg), R5 (17% PK, 3.000 kkal ME/kg) menunjukkan bahwa ayam Sentul-G5 betina yang dipelihara sampai umur 15 minggu masih menunjukkan kinerja pertumbuhan yang baik ketika diberi ransum dengan kadar gizi rendah (R6, 17% PK, 2.800 kkal ME/kg). Suatu studi yang dilaporkan oleh Nguyen et al (2010) bahwa untuk pertumbuhan dan kualitas karkas prima untuk ayam lokal Thailand Bethong memerlukan 19% protein kasar dengan 3.000 kkal ME/kg. Pada ayam Sentul-G5 sedikit lebih tinggi akan kebutuhan proteinnya, kemungkinan disebabkan oleh pengaruh seleksi terhadap pertumbuhan, sementara pada ayam Bethong masih merupakan ayam asli (belum terseleksi) tipe pedaging.…”

Section: Hasil Dan Pembahasanunclassified

“…Nguyen et al (2010) melaporkan rasio 158 untuk kadar energi dan protein ransum yang masing-masing 3000 kkal ME/kg dan 19% merupakan ransum terbaik untuk pertumbuhan ayam lokal Betong (dari Thailand). Sementara itu, ayam lokal Hilly di Bangladesh tumbuh lebih baik pada ransum gizi tinggi (22% PK, 3.153 kkal ME/kg, rasio energi terhadap protein 143) (Rahman et al 2013).…”

Section: Hasil Dan Pembahasanunclassified

Pengaruh Berbagai Kadar Protein dan Energi Ransum pada Pertumbuhan dan Nilai Ekonomis Ayam Sentul-G5 Betina

Hidayat

Iskandar

2017

Teknologi Peternakan Dan Veteriner Mendukung Diversifikasi Sumber Protein Asal Ternak

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Sentul-G5 chicken is prepared to be one of the best of pure chicken breed in the local national chicken industry. Therefore, the maximum biological performance information in maintenance with optimum feed supply is needed to know in production efficiency. The aim of this experiment was to determine the effect of levels of dietary protein and energy on the growth and economic efficiency of Sentul-G5 chicken. The experimental design used was a complete randomized design with 6 treatments; R1 (21% CP, 3,000 kcal ME/kg); R2 (21% CP, 2,800 kcal ME/kg); R3 (19% CP, 3,000 kcal ME/kg); R4 (19% CP, 2,800 kcal ME/kg); R5 (17% CP, 3,000 kcal ME/kg); and R6 (17% CP, 2,800 kcal ME/kg). Each treatment was conducted in four replicates, each containing nine days old female chicks. The results showed that Sentul-G5 females up to 15 weeks performed well significantly (P<0.05) when fed diet of R1 (21% CP, 3,000 kcal ME/kg). Key Words: Sentul-G5 Female, Dietary Protein, Dietary Energy ABSTRAKAyam Sentul-G5 dipersiapkan untuk dijadikan salah satu galur unggul murni ayam lokal dalam industri ayam lokal nasional. Oleh karena itu, informasi kinerja biologis maksimum dalam pemeliharaan dengan pasokan pakan optimum perlu diketahui dalam rangka efisiensi produksi. Tujuan dari percobaan ini adalah untuk mengetahui pengaruh berbagai kadar protein dan energi ransum terhadap pertumbuhan dan efisiensi ekonomis ayam Sentul-G5 yang dipelihara sampai umur 15 minggu. Rancangan percobaan yang digunakan adalah rancangan acak lengkap dengan 6 perlakuan; R1 (21% PK, 3.000 kkal ME/kg); R2 (21% PK, 2.800 kkal ME/kg); R3 (19% PK, 3.000 kkal ME/kg); R4 (19% PK, 2.800 kkal ME/kg); R5 (17% PK, 3.000 kkal ME/kg); dan R6 (17% PK, 2.800 kkal ME/kg). Setiap perlakuan dilengkapi dengan empat kelompok ulangan yang masing-masing berisi sembilan ekor anak ayam Sentul-G5 betina umur satu hari. Hasil percobaan menunjukkan bahwa ayam Sentul-G5 betina sampai umur 15 minggu menunjukkan kinerja nyata (P<0,05) terbaik ketika diberi perlakuan pakan R1 (21% PK, 3.000 kkal ME/kg).Kata Kunci: Sentul-G5 Betina, Protein Ransum, Energi Ransum PENDAHULUANAyam Sentul-G5 adalah ayam asli Indonesia berasal dari rumpun Sentul, yang diseleksi untuk pertumbuhan optimum sesuai permintaan pasar, rata-rata bobot hidup 1 kg per ekor umur 10 minggu (Hasnelly et al. 2011). Ayam Sentul-G5 dipersiapkan untuk dijadikan salah satu galur unggul murni ayam lokal dalam industri ayam lokal nasional. Oleh karena itu, informasi kinerja biologis maksimum dalam pemeliharaan dengan pasokan pakan optimum, perlu diketahui dalam rangka efisiensi produksi.Peningkatan produktivitas pada ayam Sentul akan diikuti dengan peningkatan kebutuhan gizinya. Rekomendasi kebutuhan gizi dari Sinurat (1991; 1999) masih

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Effect of energy density of diet on growth performance of Thai indigenous (50% crossbred) Korat chickens from hatch to 42 days of age

Maliwan

Khempaka

Molee

et al. 2018

Trop Anim Health Prod

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The aim of the current study was to investigate the effect of the energy density of diet on the growth performance of Thai indigenous crossbred (50%) chickens known as Korat chicken (KRC). A total of 1440 mixed-sex KRC (720 birds in each phase) were randomly allocated to 4 dietary treatments containing 2750, 2900, 3050, or 3200 kcal ME/kg diet with 6 replicates of each treatment in a completely randomized design. The experimental diets were tested from hatch to 21 days and from 22 to 42 days of age. In both age groups, body weight gain was not affected (P > 0.05) by the ME density of the diets. Feed intake however decreased with increasing (metabolizable energy) ME (P < 0.05), thereby significantly improving the feed conversion ratio (FCR). Broken-line analysis was performed to estimate the ME content of feed to obtain minimum FCR and maximum protein efficiency ratio (PER) values. Minimum FCR and maximum PER values were found when the diet contained 3000 kcal ME/kg from hatch to 21 days of age and 3175 kcal ME/kg from 22 to 42 days of age, respectively, using diets containing 7.5 and 6.6 g of protein/100 kcal ME, respectively. In conclusion, we established that the ME requirements of KRC from hatch to 21 days and 22 to 42 days of age were 3000 and 3175 kcal/kg, respectively.

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Effects of Dietary Protein and Energy on Growth Performance and Carcass Characteristics of Betong Chickens (Gallus domesticus) During Growing Period

Cited by 24 publications

References 11 publications

Changes in ghrelin mRNA level, plasma growth hormone concentration and performance in different dietary energy and protein levels in broiler chicken

Changes in ghrelin mRNA level, plasma growth hormone concentration and performance in different dietary energy and protein levels in broiler chicken

Pengaruh Berbagai Kadar Protein dan Energi Ransum pada Pertumbuhan dan Nilai Ekonomis Ayam Sentul-G5 Betina

Effect of energy density of diet on growth performance of Thai indigenous (50% crossbred) Korat chickens from hatch to 42 days of age

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