Publication: Japon Bıldırcınlarında (Coturnix Japonica) Kuluçkalık Yumurta Ağırlığının Kuluçka Sonuçları İle Gelişme ve Yumurta Verim Özelliklerine Etkileri
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ÖZET Bu deneme, bıldırcınlarda yumurta ağırlığının kuluçka sonuçları, civciv ağırlığı ile gelişim performansı ve yumurta verim özelliklerine olan etkilerini saptamak amacıyla yapılmıştır. Dört farklı ağırlıktaki (1. grup: >11.6 g., 2. grup: 10.6-11.5 g., 3. grup: 9.6-10.5 g. ve 4. grup: < 9.5 g.) kuluçkalık yumurtalar ve bunlardan elde edilen civcivler araştırmanın materyalini oluşturmuştur. Bu dört ağırlık grubundaki yumurtalarda döllülük oranı ve çıkış gücü, bunlardan elde edilen civcivlerde ise günlük, 1, 2, 3, 4, 5 ve 6 haftalık canlı ağırlıklar, yemden yararlanma, 6. hafta sonundaki kesim randımanı, yaşama gücü, %50 verim yaşı ve ağırlığı ile 150 günlük süre içerisindeki yumurta verim ve kalite özellikleri üzerinde durulmuştur. Gruplar arasında en iyi çıkış gücü 2. grupta tespit edilirken, en iyi döllülük oranı ve kuluçka randımanı 1. grupta tespit edilmiştir. Yumurtalarda döllülük oranı sırasıyla %60.58, %58.10, %55.92 ve %37.68; çıkış gücü %68.93, %69.38, %60.78 ve %55.76; olarak tespit edilmiştir. Yumurta ağırlıklarına bağlı olarak, civcivlerde çıkış ağırlığı da farklılık göstermiş, yalnız 6. hafta sonunda 2, 3 ve 4. grup arasında farklılık bulunmamıştır. Bıldırcınların 6. hafta sonu canlı ağırlıkları gruplara göre sırasıyla 155.0212.39, 144.38il.69, 146.57±1.85 ve 146.8014.15 (P<0.05); grupların 6. hafta sonu yemden yararlanma oranları 3.9510.16, 3.58İ0.11, 3.99± 0.12 ve 3.97İ0.28 olarak saptanmıştır. Altı haftalık büyütme dönemi boyunca elde edilen en yüksek yaşama gücü 1. grupta (%92.40± 2.50) tespit edilirken, diğer 3 grup arasındaki farklılığın (%82.84 ±1.77, %83. 5311.93 ve %71. 4214.33) bu özellik bakımından önemli olmadığı saptanmıştır (P>0.05). 6. hafta sonu kesim randımanları 1. grupta : %75.3611.09, 2. grupta: %77.51i 1.09, 3. grupta: %77.82±1.09 ve 4. grupta %75. 6511.09 olarak tespit edilmiş ve bu özellik bakımından gruplar arasındakifarklılıklar önemsiz bulunmuştur. %50 verim yaşları bakımın dan, ilk üç grupta 7 haftalık yaşta %50 verim yaşına ulaşırken, 4. grup ise 8 haftalık yaşta %50 verim yaşma ulaşabilmiştir. Yine bu yaştaki canlı ağırlık bakımından ilk 3 grup arasında istatistik! bir fark yokken (181.0313.60, 178.60±2.49, 174.23±2. 77), 4. grup (161. 80± 6.55) diğer gruplardan önemli düzeyde düşük bulunmuştur (P<0.05). Aynı şekilde yumurta verimine uygulanan istatistiki test sonucunda 4. grup diğer gruplardan önemli düzeyde düşük bulunmuştur (P<0.05) (Bıldırcın-gün yumurta verimleri 1. grupta: 97.01±13.86,2. grupta: 94.78İ9.80, 3. grupta: 79.65±10.74 ve 4. grupta: 14.80±24.01 adet). İncelenen yumurta kalite özelliklerinden ise sadece yumurta ağırlığı bakımından gruplar arasında 1. grup, 2. ve 3. gruptan farklı çıkmıştır (P<0.05) (1. grupta: 11.16i 0.24, 2. grupta: 10.87i0.24, 3. grupta: 10.4810.08). Genelde 4. grup hariç ilk üç yumurta grubu arasında üzerinde durulan özellikler bakımından önemli bir farklılık bulunamamıştır. Bu sonuçlara dayanarak 9.5 g. 'm üzerindeki yumurtaların kuluçkalık olarak kullanılmasının gerek etlik bıldırcın üretimi gerekse yumurta verimi için uygun olduğu sonucuna varılmıştır.
-45- 7. SUMMARY This research was carried out the effect of egg weight of the quails upon the hathability, chick weight, growth performance, and traits of egg production. The materials of the reseach were the hatching eggs having four different groups of weight (1st group >11.6 g; the 2nd group 10.6-11.5 g; the 3rd group 9.6-10.5 g; and the 4th group <9.5 g), and the chicks obtained from the eggs mentioned. The fertility and hatchability of four groups of hatching eggs were observed. Also, feed conversion, slaughter percentage at the end of the 6th week, and the body weight of daily, the 1st, the 2nd, 3rd, the 4th, the 5th, and 6th week were taken into consideration. Furthermore, the 50% production age and weight, and traits of egg production and quality in a period of 150 days were searched. While the best viability among the groups was found in the 2nd group, the best fertility rate and hatchability were obtained in the first group. The fertility rate of the eggs were 60.58%, 58.10%, 55.92%, and 37.68%; hatchabilities were 68.93%, 69.38%, 60.78%, and 55.76% respectively. Depending on the egg weight, the hatching weight of chicks has showed differences. However, no differences were found among the groups of 2, 3, and 4 at the end of the 6th week. The body weights of quails at the end of the 6th week were found as 155.02±2.39, 144.38±1.69, 146.57±1.85, and 146.8014.15 g respectively (p<0.05). Feed conversion of groups by 6th week were 3.95İ0.16, 3.58İ0.11, 3.99İ0.12, and 3.97±0.28. While the highest viability obtained during the growth period of 6 weeks was found in the first group (92. 40±2. 50%), the same trait was not significant (P>0.05) among the other groups (82.84±1.77%, 83.53± 1.93%, and 71. 42±4. 33%). The slaughter percentages of the 6th week were 75.36±1.09% for the first group, 77.51±1.09% for the second group, 77.82±1.09% for the third group, and finally 75.65±1.09% for the forth group. Differences among the groups in terms of slaughter percentage-46- was not significant. The forth group has reached the 50% production age at the 8th weeks of age while the first three groups have reached the 50% produt age at their 7th weeks of age. Moreover, while the body weight among the first three groups at the same age was not statistically different (181.03±3.60, 178.6012.49, and 174.23±2. 77), 4th group (161.8016.55 g) was found lower than the others significantly (p<0.05). The same result was obtained for the 4th group in terms of egg production (p<0.05), which were 97.01113.86 in the 1st group, 94.7819.80 in the 2nd group, 79.65110.74 in the 3rd group, and 14.80124.01 in the 4th group. In regard to the traits of egg quality examined, just differences of egg weight of group 1, 2, and 3 were different (P<0.05), (11.1610.08 in the 1st group, 10.8710.08 in the 2nd group, 10.481 0.08 g in the 3rd group). In general, It was not found significant differences among the first three groups of eggs in points of the properties focused on, except the 4th group. According to the results obtained, It is possible to say that the eggs over 9.5 g weight can be used as hatching for both egg and quail - meat production.
-45- 7. SUMMARY This research was carried out the effect of egg weight of the quails upon the hathability, chick weight, growth performance, and traits of egg production. The materials of the reseach were the hatching eggs having four different groups of weight (1st group >11.6 g; the 2nd group 10.6-11.5 g; the 3rd group 9.6-10.5 g; and the 4th group <9.5 g), and the chicks obtained from the eggs mentioned. The fertility and hatchability of four groups of hatching eggs were observed. Also, feed conversion, slaughter percentage at the end of the 6th week, and the body weight of daily, the 1st, the 2nd, 3rd, the 4th, the 5th, and 6th week were taken into consideration. Furthermore, the 50% production age and weight, and traits of egg production and quality in a period of 150 days were searched. While the best viability among the groups was found in the 2nd group, the best fertility rate and hatchability were obtained in the first group. The fertility rate of the eggs were 60.58%, 58.10%, 55.92%, and 37.68%; hatchabilities were 68.93%, 69.38%, 60.78%, and 55.76% respectively. Depending on the egg weight, the hatching weight of chicks has showed differences. However, no differences were found among the groups of 2, 3, and 4 at the end of the 6th week. The body weights of quails at the end of the 6th week were found as 155.02±2.39, 144.38±1.69, 146.57±1.85, and 146.8014.15 g respectively (p<0.05). Feed conversion of groups by 6th week were 3.95İ0.16, 3.58İ0.11, 3.99İ0.12, and 3.97±0.28. While the highest viability obtained during the growth period of 6 weeks was found in the first group (92. 40±2. 50%), the same trait was not significant (P>0.05) among the other groups (82.84±1.77%, 83.53± 1.93%, and 71. 42±4. 33%). The slaughter percentages of the 6th week were 75.36±1.09% for the first group, 77.51±1.09% for the second group, 77.82±1.09% for the third group, and finally 75.65±1.09% for the forth group. Differences among the groups in terms of slaughter percentage-46- was not significant. The forth group has reached the 50% production age at the 8th weeks of age while the first three groups have reached the 50% produt age at their 7th weeks of age. Moreover, while the body weight among the first three groups at the same age was not statistically different (181.03±3.60, 178.6012.49, and 174.23±2. 77), 4th group (161.8016.55 g) was found lower than the others significantly (p<0.05). The same result was obtained for the 4th group in terms of egg production (p<0.05), which were 97.01113.86 in the 1st group, 94.7819.80 in the 2nd group, 79.65110.74 in the 3rd group, and 14.80124.01 in the 4th group. In regard to the traits of egg quality examined, just differences of egg weight of group 1, 2, and 3 were different (P<0.05), (11.1610.08 in the 1st group, 10.8710.08 in the 2nd group, 10.481 0.08 g in the 3rd group). In general, It was not found significant differences among the first three groups of eggs in points of the properties focused on, except the 4th group. According to the results obtained, It is possible to say that the eggs over 9.5 g weight can be used as hatching for both egg and quail - meat production.
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Tez (yüksek lisans) -- Ondokuz Mayıs Üniversitesi, 1994
Libra Kayıt No: 36229
Libra Kayıt No: 36229
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Scopus Q
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