Effect of energy intake on performance and carcass composition of broiler chickens from two different genetic groups

Rosa, P. S.; Filho, D. E. Faria; Dahlke, Fabiano; Vieira, B. S.; Macari, Marcos; Furlan, Renato Luís

doi:10.1590/s1516-635x2007000200007

Cited by 37 publications

(40 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The superior performance of Ross 308 than Hubbard in 21-day weigh and weight gain during the restriction period has been reported in similar studies by Bruggman et al (2005), Rosa et al (2007). Plavnik and Balnave (1992) and Dozier et al (2003), however, restricted the feed intake of different strains of broilers for 7 and 5 days respectively during the starter period and reported insignificant differences among strains in response to feed restriction.…”

Section: Discussionsupporting

confidence: 72%

“…Benyi et al (2011) reported significant strain × feeding regime interactions effects on 35-day weight, weight gain and feed intake. The significant differences between the strains in feed intake, growth rate and market weight during the entire study period have been previously reported (Rosa et al, 2007) but other authors such as Dozier et al (2003) reported insignificant differences among strains of broilers in response to skip-a-day feed restriction. The similar feed utilization of Ross 308 and Hubbard observed in this study supports similar reports by Dozier et al (2003) and Khajali et al (2007) but is contrary to an observation by Ghazanfari et al (2010) that skip-a-day feed restriction improved feed efficiency.…”

Section: Discussionsupporting

confidence: 56%

See 1 more Smart Citation

Responses of two broiler chicken strains to early-age skip-a-day feed restriction in a semi-arid subtropical environment

Netshipale¹,

Benyi²,

Baloyi³

et al. 2012

Afr. J. Agric. Res.

View full text Add to dashboard Cite

Four hundred and eighty 7-day-old Ross 308 and Hubbard chicks were fed ad libitum or full-fed every other day for 4, 6 and 8 days followed by ad libitum feeding to 49 days of age in a 2 x factorial experiment to study the effects of the different treatments on growth. The strains did not differ in feed conversion ratio and mortality rate but Ross 308 gained more weight and was heavier at market age but consumed more feed and deposited more abdominal fat. Overall, feed removal neither reduced feed intake and mortality rate nor improved feed efficiency but the control and the 4-and 6-day feed restricted birds had similar post-restriction weight gains and market weights and deposited more abdominal fat than the 8-day feed restricted ones. There was a significant strain × feeding regime interaction effects on 49-day weight and weight gain from 7 to 21 days. It is suggested that for profitable broiler production in the subtropics, Ross 308 be used and feed-restricted for 6 days during the starter period.

show abstract

Section: Discussionsupporting

confidence: 72%

Section: Discussionsupporting

confidence: 56%

Responses of two broiler chicken strains to early-age skip-a-day feed restriction in a semi-arid subtropical environment

Netshipale¹,

Benyi²,

Baloyi³

et al. 2012

Afr. J. Agric. Res.

View full text Add to dashboard Cite

show abstract

“…However, the level of fat pad of the native chicken breeds was again much lower than of exotic broiler chicken (Azizi et al 2011). The absence of effect on dressing percentage and cut carcass composition associated with the similar protein energy ratio among all treatment diets, Rosa et al (2007) said that some of the results of the experiment showed that the content of energy and protein in the diet had no influence on the composition of cut carcass composition of chicken.…”

Section: Carcassmentioning

confidence: 88%

Growth response of improved native breeds of chicken to diets differed in energy and protein content

Hidayat

Iskandar

Sartika

et al. 2017

JITV

View full text Add to dashboard Cite

ABSTRAKHidayat C, Iskandar S, Sartika T , Wardhani T. 2016. Respon pertumbuhan galur ayam lokal terseleksi terhadap ransum dengan kadar energi metabolis dan protein berbeda. JITV 21(3): 174-181. DOI: http://dx.doi.org/10. 14334/jitv.v21i3.1397 Penelitian ini bertujuan untuk mengetahui respon pertumbuhan galur ayam lokal hasil seleksi terhadap ransum dengan kadar energi metabolis dan protein ransum berbeda.. Tiga kelompok anak ayam hasil perkawinan galur ayam lokal terseleksi, yaitu Line 1 (♂KUB dengan ♀KUB), Line 2 (♂SenSi dengan ♀KUB) dan Line 3 (♂Gaok dengan ♀KUB), diberi tiga ransum perlakuan berbeda, yang terdiri dari ransum Diet 1 (2800 kkal ME/ kg dengan 17,81% protein kasar), Diet 2, (2950 kkal ME/ kg dengan 18,61% protein kasar) dan Diet 3 (3100 kkal ME/ kg dengan 19,25% protein kasar). Percobaan ini menggunakan rancangan percobaan faktorial 3x3. Setiap kombinasi perlakuan diulang sebanyak 7 kali dengan jumlah anak ayam umur sehari (DOC) sebanyak 5 ekor/ulangan, yang dipelihara sampai dengan umur 10 minggu. Hasil penelitian menunjukkan bahwa galur Line 2 (♂SenSi x ♀KUB) menunjukkan bobot hidup umur 10 minggu yang lebih tinggi (P<0,05), feed conversion ratio (FCR) yang rendah dan European Production Efficiency Factor (EPEF) yang tinggi, dibandingkan dengan kedua galur lainnya. Ransum yang optimum untuk galur Line 2 adalah ransum Diet 2, maka diambil kesimpulan bahwai galur ayam hasil perkawinan ♂SenSi dengan ♀KUB berpotensi untuk dimanfaatkan sebagai ayam lokal tipe pedaging komersial di Indonesia dengan menggunakan ransum optimum yang mempunyai kadar energi 2950 kcal ME/kg dengan 18,61% protein kasar. The aim of doing this experiment was to observe the growth response of improved native breeds of chicken under diets differed in energy and protein content. Three groups of improved native breeds, obtained from mating of ♂KUB to ♀KUB (Line 1), of ♂SenSi to ♀KUB (Line 2) and of ♂Gaok x ♀KUB (Line 3), were subjected to three experimental diets, differed in metabolizable energy (ME) and crude protein (CP) content. The experimental diets consisted of Diet 1 (2,800 kcal ME/ kg with 17,81% CP), Diet 2 (2,950 kcal ME/ kg with 18,61% CP) and Diet 3 (3,100 kcal ME/ kg with 19,25% CP). The experiment was designed as factorial 3 x 3 with 7 replications of each treatment combination, consisted of 5 birds per treatment combination. The chickens were raised up to 10 weeks of age. Results of the experiment showed that Line 2 (♂SenSi mated to ♀KUB) had highest body weight at 10 weeks of age (P<0.05), lowest feed conversion ratio (FCR) and highest European Production Efficiency Factor (EPEF), compared to other two lines. The appropriate diet for Line 2 was Diet 2. It could be concluded the crossbred line that was resulted from crossing of ♂SenSi to ♀KUB (Line 2), had potential to be used as improved native chicken for the industry in Indonesia supported by appropriate diet containing 2,950 kcal ME/kg with 18.61% crude protein.

show abstract

“…However, the present findings and those of Kamran et al (2004), and Ardekani and Chamani (2012) showed no significant difference in liver weight of control and low DPL fed birds. Variations in strain, dietary energy levels (Rosa et al, 2007), and age (Bowes and Julian, 1988) may have contributed to the discrepancies. The greater relative heart weights of birds fed 16.2% DPL could be explained by their lower body weights compared to other groups.…”

Section: Amino Acids Profile For Tropical Climatementioning

confidence: 99%

Amino Acids Fortification of Low-Protein Diet for Broilers Under Tropical Climate: Ideal Essential Amino Acids Profile

Awad

Fadlullah

Zulkifli

et al. 2014

Italian Journal of Animal Science

View full text Add to dashboard Cite

A three-week trial was conducted to determine the effect of lowering dietary protein level (DPL) with optimal amino acid (AA) profile on growth performance, blood metabolites, and relative weights of abdominal fat and internal organs in broiler chickens raised under tropical hot and humid environment. Five isocaloric (3023 metabolisable energy/kg) starter (1-21 days) experimental diets were formulated in a gradual crude protein (CP) decline from 22.2 (control) to 16.2% by 1.5% interval. All diets were meeting or exceeding National Research Council recommendations except CP and metabolisable energy. The formulations were also adjusted to contain 1.1 digestible Lys to meet the ideal AA ratios concept. Body weights (BW), weight gains (WG), feed intake and feed conversion ratio of groups with 19.2, 20.7 and 22.2% DPL were not significantly different. However, BW and WG suppressed (P<0.05) with 16.2 and 17.7% DPL. Feeding the 16.2% CP diet significantly reduced serum total protein and uric acid, but increased serum triglyceride (P<0.05). Moreover, relative heart weights increased (P<0.05) but no changes occurred in liver and abdominal fat weights in chicks with 16.2% DPL. In summary, CP of broilers starter (1-21 days) diet can be reduced till 19.2% with essential AA fortification and without any adverse effect on growth performance under the hot, humid tropics.

show abstract

Effect of energy intake on performance and carcass composition of broiler chickens from two different genetic groups

Cited by 37 publications

References 12 publications

Responses of two broiler chicken strains to early-age skip-a-day feed restriction in a semi-arid subtropical environment

Responses of two broiler chicken strains to early-age skip-a-day feed restriction in a semi-arid subtropical environment

Growth response of improved native breeds of chicken to diets differed in energy and protein content

Amino Acids Fortification of Low-Protein Diet for Broilers Under Tropical Climate: Ideal Essential Amino Acids Profile

Contact Info

Product

Resources

About