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Ticari Etlik Piliçlerde Büyüme Eğrilerinin Doğrusal Olmayan Modeller Kullanılarak Karşılaştırılması

Year 2016, Volume: 13 Issue: 2, 12 - 16, 01.10.2016

Abstract

Ticari etlik piliçlerde büyümenin doğrusal olmayan modeller kullanılarak karşılaştırması amacıyla yapılan bu araştırmada, ticari Ross 308 olarak adlandırılan hattın cinsiyet ayrımı yapılmış 240 adet günlük yaşta etlik civcivler kullanılmıştır. Günlük etlik civcivler her bölmede 10 erkek ve 10 dişi olacak şekilde erkek – dişi karışık 20 hayvan, 3 tekerrürlü tesadüf parselleri deneme düzeninde rastgele dağıtılmışlardır. Altı haftalık deneme süresince haftalık bireysel tartımlar yapılarak canlı ağırlık verileri toplanmıştır. Büyüme eğrilerinin karşılaştırılması amacıyla Gompertz ve Lojistik modeller kullanılmıştır. Gompertz ve Lojistik modellerde ergin ağırlıklar (β0) sırasıyla 4364,53 ve 3010,32 g olarak bulunmuştur. İntegrasyon katsayısı (β1) değeri Gomperzt modelde 4.62 olarak hesaplanmasına karşın Lojistik modelde bu değer 31.52 olarak Gomperzt modele göre daha yüksek hesaplanmıştır. Anlık büyüme oranı (β2) değeri Gompertz ve Lojistik modeller için sırasıyla 0.356 ve 0.835 olarak gerçekleşmiştir. Bükülme Noktası Yaşı (BNY) Gompertz ve Lojistik modellerde sırasıyla 4.31 ve 4.13 hafta, Bükülme Noktası Ağırlığı (BNA) sırasıyla 1605.79 ve 1505.16 g olarak tahmin edilmiştir. En çok büyüme hızı (EBH) Gompertz ve Lojistik modellerde sırasıyla 568.82 ve 628.17 g olarak bulunmuştur. Her iki modelden de hesaplanan Belirleme katsayısı (R2) ve Düzeltilmiş R2değerleri 0.997-0.999 arasında değişmektedir

Comparison of Growth Curve Using Some Nonlinear Models in Broiler Production

Year 2016, Volume: 13 Issue: 2, 12 - 16, 01.10.2016

Abstract

In this study, which was conducted to compare the growth of commercial broiler chicks using non-linear models, 240-day old (gender-diverged) called Ross 308 broilers were utilized. They were divided into 20 chicks with 10 males and 10 females per section (mixed male and female) and were randomly distributed into 3 repetitions in randomized block design. During the six-week trial performed weekly individual weighing body weight data were collected. Gompertz and Logistic Models were used to compare growth curves. In Gompertz and Logistic Models, adult weights (β0) were found as 4364.53 and 3010.32 g respectively. Although the integration coefficient (β1) is calculated as 4.62 in the Gompertz model, this value is 31.52 in the logistic model, which is higher than the Gompertz model. The instantaneous growth rate (β2) was 0.356 and 0.835 for Gompertz and Logistic Models, respectively. The Bending Point Age (BNY) was estimated to be 4.31 and 4.13, the Bending Point Weight (BNA) was estimated to be 1605.79 and 1505.16 g weeks in Gompertz and Logistic Models, respectively. The highest growth rate (EBP) was found to be 568.82 and 628.17 g respectively in Gompertz and Logistic Models. The coefficient of determination (R2) and adjusted coefficient of determination (adj.R2) values calculated from both models range from 0.997 to 0.999.

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Details

Other ID JA66RZ68CK
Journal Section Research Article
Authors

Hasan Eleroğlu This is me

Hüdaverdi Bircan This is me

Arda Yıldırım This is me

Firdes Kılıç This is me

Publication Date October 1, 2016
Published in Issue Year 2016 Volume: 13 Issue: 2

Cite

APA Eleroğlu, H., Bircan, H., Yıldırım, A., Kılıç, F. (2016). Comparison of Growth Curve Using Some Nonlinear Models in Broiler Production. Journal of Poultry Research, 13(2), 12-16.
AMA Eleroğlu H, Bircan H, Yıldırım A, Kılıç F. Comparison of Growth Curve Using Some Nonlinear Models in Broiler Production. JPR. October 2016;13(2):12-16.
Chicago Eleroğlu, Hasan, Hüdaverdi Bircan, Arda Yıldırım, and Firdes Kılıç. “Comparison of Growth Curve Using Some Nonlinear Models in Broiler Production”. Journal of Poultry Research 13, no. 2 (October 2016): 12-16.
EndNote Eleroğlu H, Bircan H, Yıldırım A, Kılıç F (October 1, 2016) Comparison of Growth Curve Using Some Nonlinear Models in Broiler Production. Journal of Poultry Research 13 2 12–16.
IEEE H. Eleroğlu, H. Bircan, A. Yıldırım, and F. Kılıç, “Comparison of Growth Curve Using Some Nonlinear Models in Broiler Production”, JPR, vol. 13, no. 2, pp. 12–16, 2016.
ISNAD Eleroğlu, Hasan et al. “Comparison of Growth Curve Using Some Nonlinear Models in Broiler Production”. Journal of Poultry Research 13/2 (October 2016), 12-16.
JAMA Eleroğlu H, Bircan H, Yıldırım A, Kılıç F. Comparison of Growth Curve Using Some Nonlinear Models in Broiler Production. JPR. 2016;13:12–16.
MLA Eleroğlu, Hasan et al. “Comparison of Growth Curve Using Some Nonlinear Models in Broiler Production”. Journal of Poultry Research, vol. 13, no. 2, 2016, pp. 12-16.
Vancouver Eleroğlu H, Bircan H, Yıldırım A, Kılıç F. Comparison of Growth Curve Using Some Nonlinear Models in Broiler Production. JPR. 2016;13(2):12-6.

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Print ISSN:1302-3209 - Online ISSN:2147-9003

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