Bursa il merkezine yakın çevre yumurtacı işletmelerde farklı genotiplerin üretim parametreleri ve ekonomik verimlilik
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Date
1999
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Publisher
Uludağ Üniversitesi
Abstract
Bu çalışma Bursa ili ve yakın çevre işletmelerinde yumurtacı genotiplerin üretim parametreleri ve ekonomik verimliliklerini belirlemek amacıyla yapılmıştır. Isa, Hisex, Shaver, Lohman ve Babcock genotipleri için % 50 verim yaşları sırasıyla; 155.5, 164.3, 154.5, 151. 7 ve 160.0 gün bulunmuştur. Yumurtacı genotiplerin 72 haftalık yaşa kadar tavuk başına tavuk-gün eklemeli yumurta verimleri sırasıyla; 295.6, 258.0, 281.0, 288.8 ve 265.9 adet bulunmuştur. Bu farklılıklar önemli bulunmuştur (P<0.01). lsa, Hisex, Shaver, Lahman ve Babcock genotiplerinin 21-72 haftalık dönemde tavuk başına tavuk-kümes yem tüketimleri sırasıyla; 41.61, 43.38, 42.30, 41.55 ve 39.71 kg bulunmuştur. Her kg yem tüketimi için üretilen yumurta sayısı sırasıyla; 6.64, 5.44, 6.48, 6.52 ve 6.18 adet hesaplanmıştır. Genotip gruplarında yumurtlama dönemi ortalama ölüm oranları sırasıyla; % 13. 40, 13.88, 4. 90, 11.95 ve 13.69 bulunmuş. Gruplar arası farklılıklar önemli bulunmuştur (P<0. 05). Yumurtlama dönemi için değişken ve sabit giderler kahverengi yumurta işletmelerinde sırasıyla; % 92.67 ve 7. 33, beyaz yumurta işletmelerinde % 93.28 ve 6. 72 hesaplanmıştır. Gelir-gider oranı kahverengi ve beyaz yumurta işletmeleri için sırasıyla; 1.225 ve 1.247 bulundu. Sonuçta genotiplerin performansının bildirilen literatürler ile hemen hemen aynı ve bölgedeki işletmeler için ekonomik karlılığın oldukça düşük olduğu anlaşıldı.
This study was made to determine the production parameters and economic efficiencies of layer genotypes in enterprises of Bursa province and its near vicinity. The ages of 50 % egg production of Isa, Hisex, Shaver, Lohman and Babcock genotypes were found 155.5, 164.3, 154.5, 151.7 and 160.0 days, respectively. The additive egg numbers per hen produced up to 72 weeks of ages by the layer genotypes were found 295.6, 258.0, 281.0, 288.8 and 265.9 for hen-day, respectively. These differences were found significant (P<0.01). The average feed consumption per hen for Isa, Hisex, Shaver, Lohman and Babcock genotypes were found 41.61, 43.88, 42.30, 41.55 and 39.71 kg on a hen-housed basis between 21 and 72 weeks of ages, respectively. The egg numbers for per kg feed consumed of above genotypes were calculated 6.64, 5.44, 6.48, 6.52 and 6.18, respectively. The average rate of mortality in genotype groups were found 13.40, 13.88, 4.90, 11.95 and 13. 69 percent for laying periods, respectively. The differences among groups were found significant (P<0.05). The variable and fixed cost for laying periods were calculated 92.67 and 7. 33 percent for brown egg enterprises, 93.28 and 6. 72 percent for white egg enterprises, respectively. The input-output ratio were found 1.225 and 1.247 for brown andwhite egg enterprises. it was concluded that the performance of the genotypes was the same figures that of the references, approximately and the economic profitability of the enterprises in the area was markedly Iow.
This study was made to determine the production parameters and economic efficiencies of layer genotypes in enterprises of Bursa province and its near vicinity. The ages of 50 % egg production of Isa, Hisex, Shaver, Lohman and Babcock genotypes were found 155.5, 164.3, 154.5, 151.7 and 160.0 days, respectively. The additive egg numbers per hen produced up to 72 weeks of ages by the layer genotypes were found 295.6, 258.0, 281.0, 288.8 and 265.9 for hen-day, respectively. These differences were found significant (P<0.01). The average feed consumption per hen for Isa, Hisex, Shaver, Lohman and Babcock genotypes were found 41.61, 43.88, 42.30, 41.55 and 39.71 kg on a hen-housed basis between 21 and 72 weeks of ages, respectively. The egg numbers for per kg feed consumed of above genotypes were calculated 6.64, 5.44, 6.48, 6.52 and 6.18, respectively. The average rate of mortality in genotype groups were found 13.40, 13.88, 4.90, 11.95 and 13. 69 percent for laying periods, respectively. The differences among groups were found significant (P<0.05). The variable and fixed cost for laying periods were calculated 92.67 and 7. 33 percent for brown egg enterprises, 93.28 and 6. 72 percent for white egg enterprises, respectively. The input-output ratio were found 1.225 and 1.247 for brown andwhite egg enterprises. it was concluded that the performance of the genotypes was the same figures that of the references, approximately and the economic profitability of the enterprises in the area was markedly Iow.
Description
Bu çalışma, Bursa Uludağ Üniversitesi Sosyal Bilimler Enstitüsünde Nevzat Uludağ 'in danışmanlığında Metin Petek tarafından yazılan "Bursa il merkezine yakın çevre yumurtacı ve broyler işletmelerinde farklı genotiplerin üretim parametreleri ve ekonomik verimlilik" adlı doktora tezine dayanılarak hazırlanmıştır.
Keywords
Genotip, Yumurtacı, İşletme, Ekonomi, Genotype, Layer, Economy, Enterprise
Citation
Uludağ Üniversitesi Veteriner Fakültesi Dergisi, 18(1-2), 65-77.