Journals / Animal Health Production and Hygiene / 2026 / Cilt: 15 Sayı: 4

Effects of In Ovo Injection of Different Gut Health-Promoting Additives on Hatchability, Liveability and Intestinal Total Aerobic Bacterial Load in Broiler Chickens

Bağırsak Sağlığını Destekleyici Farklı Katkı Maddelerinin Yumurta İçi Enjeksiyonunun Etlik Piliçlerde Kuluçka Oranı, Yaşam Oranı ve Bağırsak Toplam Aerobik Bakteri Yükü Üzerindeki Etkileri

Bekir Hakan Köksal(Aydın Adnan Menderes Üniversitesi Veteriner Fakültesi)0000-0002-5676-446X
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Publication Date
2026-10-26
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

Under the present conditions, the in ovo delivery of these three biotics neither impaired nor improved hatching results, early performance or intestinal aerobic load.

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Objective & Hypothesis:This study evaluated the effects of the in ovo injection of a prebiotic, a probiotic and a postbiotic on hatchability, livability, early growth performance and intestinal total aerobic bacterial load in broiler chickens.
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Key Findings & Data:A total of 300 fertile Ross 308 eggs obtained from a 32-week-old breeder flock were individually weighed, allocated to five equal groups (n = 60 eggs per group) and incubated under standard conditions.
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Conclusion & Impact:Under the present conditions, the in ovo delivery of these three biotics neither impaired nor improved hatching results, early performance or intestinal aerobic load.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Biyotikler · kuluçka oranı · yumurta içi enjeksiyon

Abstract

This study evaluated the effects of the in ovo injection of a prebiotic, a probiotic and a postbiotic on hatchability, livability, early growth performance and intestinal total aerobic bacterial load in broiler chickens. A total of 300 fertile Ross 308 eggs obtained from a 32-week-old breeder flock were individually weighed, allocated to five equal groups (n = 60 eggs per group) and incubated under standard conditions. At 17.5 days of incubation, 0.2 mL of the corresponding solution was injected into the amniotic fluid: negative control (no injection), positive control (sterile distilled water), prebiotic (0.2% inulin), probiotic (0.2% Bacillus clausii) and postbiotic (0.2% Lactiplantibacillus plantarum-derived preparation). After hatching, the chicks were reared for 10 days in five replicate pens per group and were offered a commercial starter diet and water ad libitum. Hatchability, livability, body weight, body weight gain, feed intake and feed conversion ratio were recorded, and the intestinal contents of six chicks per group were cultured to determine total aerobic bacterial counts (log10 cfu/g). Hatchability ranged from 90.0% to 95.0% and livability from 94.4% to 100.0%, with no difference among groups (χ² = 1.77, P = 0.779 and χ² = 6.76, P = 0.149, respectively). Body weight at hatch and at 10 days, body weight gain, feed intake and feed conversion ratio were also similar among groups (P > 0.05), although the highest body weight gain was numerically recorded in the prebiotic group. Total aerobic bacterial counts did not differ significantly (P = 0.101); the lowest mean was obtained in the probiotic group (6.16 log10 cfu/g) and the highest in the prebiotic group (6.90 log10 cfu/g). Under the present conditions, the in ovo delivery of these three biotics neither impaired nor improved hatching results, early performance or intestinal aerobic load.

Özet

Bu çalışma, yumurta içine uygulanan prebiyotik, probiyotik ve postbiyotik enjeksiyonunun etlik piliçlerde kuluçka oranı, yaşama oranı, erken büyüme performansı ve bağırsaktaki toplam aerobik bakteri yükü üzerindeki etkilerini değerlendirmiştir. 32 haftalık bir damızlık sürüsünden elde edilen toplam 300 adet döllenmiş Ross 308 yumurtası tek tek tartılmış, beş eşit gruba (grup başına 60 yumurta) ayrılmış ve standart koşullar altında kuluçkaya yatırılmıştır. Kuluçkanın 17,5. gününde, amniyotik sıvıya ilgili çözeltinin 0,2 mL'si enjekte edilmiştir: negatif kontrol (enjeksiyon yok), pozitif kontrol (steril damıtılmış su), prebiyotik (%0,2 inülin), probiyotik (%0,2 Bacillus clausii) ve postbiyotik (%0,2 Lactiplantibacillus plantarum kaynaklı preparat). Kuluçkadan sonra, civcivler 10 gün boyunca grup başına beş tekrarlı kafeste yetiştirilmiş ve ticari bir başlangıç ​​yemi ve su serbestçe verilmiştir. Kuluçka oranı, yaşama oranı, vücut ağırlığı, vücut ağırlığı artışı, yem tüketimi ve yem dönüşüm oranı kaydedildi ve her gruptan altı civcivin bağırsak içeriği, toplam aerobik bakteri sayısını (log10 cfu/g) belirlemek için kültüre edildi. Kuluçka oranı %90,0 ile %95,0 arasında, yaşama oranı ise %94,4 ile %100,0 arasında değişti ve gruplar arasında anlamlı bir fark bulunmadı (sırasıyla χ² = 1,77, P = 0,779 ve χ² = 6,76, P = 0,149). Kuluçkadan çıkışta ve 10. günde vücut ağırlığı, vücut ağırlığı artışı, yem tüketimi ve yem dönüşüm oranı da gruplar arasında benzerdi (P > 0,05), ancak en yüksek vücut ağırlığı artışı sayısal olarak prebiyotik grubunda kaydedildi. Toplam aerobik bakteri sayılarında anlamlı bir fark yoktu (P = 0,101); En düşük ortalama değer probiyotik grubunda (6,16 log10 cfu/g), en yüksek değer ise prebiyotik grubunda (6,90 log10 cfu/g) elde edildi. Mevcut koşullar altında, bu üç biyotiğin yumurta içine verilmesi, kuluçka sonuçlarını, erken performansı veya bağırsak aerobik yükünü ne olumsuz ne de olumlu yönde etkilediği gözlenmiştir.

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Cite This Article

Durmaz, İ. F., Köksal, B. H. (2026). Effects of In Ovo Injection of Different Gut Health-Promoting Additives on Hatchability, Liveability and Intestinal Total Aerobic Bacterial Load in Broiler Chickens. Animal Health Production and Hygiene, Cilt: 15 Sayı: 4. https://doi.org/10.53913/aduveterinary.2002843

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