The Effect of Genotype on Response in Body Composition to Variation in Dietary Protein : Energy Ratios

Indarsih, Budi; Pym, R. A.

doi:10.14710/jitaa.35.2.101-108

Cited by 1 publication

(2 citation statements)

References 23 publications

(18 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…However, FCR for both sexes was not significant (P>0.05). This indicates that males required a higher level of dietary lysine than females for maximal BWG and dietary digestible lysine for FCR was higher than for BWG (Greenwood et al, 2005;Dozier et al, 2009;Dozier et al, 2010;Indarsih and Pym, 2010;Mehri et al, 2010). Male growing chickens gained faster than females due to higher daily feed intake in males (Samadi and Libiert, 2006) were also observed in this study.…”

Section: Performancesupporting

confidence: 71%

“…Therefore, some studies revealed the need to correct the proportion levels of crude protein to lysine (Harm and Russell, l995;Labadan et al, 2001). This is due to the fact that the lysine requirement is higher than the NRC (1994) requirement measured with the experimental situation (Lehmann et al, 1996;Kerr et al, 1999;Rezaei et al, 2004;Aftab et al, 2007;Indarsih and Pym, 2010). Breast meat deposition can be optimized on feeding at a higher level of lysine in the starter and finisher diets than those recommended by NRC (1994) as studied by Rezaei et al (2004).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Response of Different Genotypes of Broilers to Lysine Supplementation Raised Under Practical Condition

Indarsih

Tamsil

2012

J. Indonesian Trop. Anim. Agric.

Self Cite

View full text Add to dashboard Cite

ABSTRAKPenelitian ini dilakukan untuk mengevaluasi suplementasi lisine pada broiler komersial umur 4 sampai 42 hari. Percobaan faktorial dengan 2 strain (Arbor Acres dan Lohmann) yang dibedakan jantan dan betina sebanyak 450 ekor, kemudian ditimbang dan secara acak ditempatkan pada 60 kadang bambu ukuran 2 m 2 dalam bangunan kandang terbuka. Starter komersial diberi lisin mono-HCL dengan level 0,0; 0,5; 1,0; 1,5; dan 2,0 g/kg dari umur 4-21 hari, kemudian diberi pakan finisher komersial dari umur 22-42 hari. Konsumsi pakan dan pertambahan bobot badan diukur setiap minggu. Pada umur 43 hari, 4 ekor untuk setiap ulangan diambil sebagai sampel dan dipotong untuk mengukur parameter karkas. Hasil penelitian menunjukkan bahwa penambahan lisin pada ransum komersial meningkatkan berat karkas secara signifikan (P<0,05), dan cenderung meningkatkan daging dada serta menurunkan lemak abdominal. Strain Arbor Acres merespon dengan baik pada pakan dengan lisin yang rendah sedangkan strain Lohmann merespon lebih baik pada pakan dengan lisin tinggi. Katakunci: lisin, broiler, strain, daging dada, lemak abdominal ABSTRACTThis study evaluated lysine supplementation of 4 to 42 day of age of two commercial broiler genotypes (Arbor Acres and Lohmann). Four hundred and fifty day-old chicks were sexed and randomly distributed into 60 bamboo pens each 2 m 2 . A starter commercial diet as a basal diet was supplemented with lysine mono-HCL in a 2x2x5 factorial arrangement with lysine levels of 0.0, 0.5, 1.0, 1.5 and 2.0 g/kg fed from 4-21 days of age, and then followed by a finisher diet fed from 22-42 days of age. Feed consumption, body weight gain and FCR were determined on weekly basis. On d 43 of experiment, 4 birds per each replicate were processed for carcass parameters. Results of the study revealed that lysine supplementation in a starter commercial diet increased significantly carcass weight (P<0.05. Improved breast meat and lower abdominal fat were found in lysine supplementation. Arbor Acres broilers response more efficient in low lysine whilst Lohmann broilers were better in a higher level of lysine.

show abstract