Effect of in Ovo Bovine Colostrum Powder Administration on Embryonic Growth, Yolk Sac Resorption, and Blood Biochemical Profiles in Anadolu-T Broiler Chickens

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In ovo administration of bovine colostrum powder during late incubation enhances embryonic growth, accelerates yolk sac resorption, and alters blood biochemical profiles in broiler chickens. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Canan Kop Bozbay; Berkay Kaya; Yiğit Battal Akarsu; Kürşat Selman Ovali; Miraç Mert Yildirim

doi:10.15316/selcukjafsci.1906865

August 21, 2026Selcuk Journal of Agricultural and Food SciencesOpen Access

Effect of in Ovo Bovine Colostrum Powder Administration on Embryonic Growth, Yolk Sac Resorption, and Blood Biochemical Profiles in Anadolu-T Broiler Chickens

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Key Points

To evaluate the effects of late-stage in ovo bovine colostrum powder administration on embryonic development, yolk resorption, and blood biochemical parameters in broiler chickens.
A total of 450 fertilized Anadolu-T broiler eggs were randomly assigned to six groups: non-injected control, saline-injected control, and groups receiving 1, 2, 3, or 4 mg of colostrum powder per egg.
Injections were administered into the amniotic cavity on day 18 of incubation.
Embryo weight, yolk sac weight, gastrointestinal development, and organ weights were measured on days 18–20 of incubation, followed by chick weight and blood biochemistry at hatch.
On day 19 of incubation, embryo weight was higher in the 1 mg colostrum group compared to controls and higher in the 4 mg group compared to the saline-injected control (p < 0.05).
Residual yolk sac weight at hatch was significantly lower in all colostrum-treated groups compared to the non-injected control (p < 0.05).
Chicks receiving 4 mg of colostrum powder exhibited increased serum total protein and globulin concentrations along with decreased urea levels at hatch (p < 0.05).

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Implication

Demonstrates improved embryonic growth and yolk absorption following in ovo bovine colostrum in broiler chicks, suggesting enhanced late-incubation nutrient utilization.

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Bozbay et al. (2026) studied this question.

synapsesocial.com/papers/6a8aad667677a34114445981 https://doi.org/10.15316/selcukjafsci.1906865

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Effect of in Ovo Bovine Colostrum Powder Administration on Embryonic Growth, Yolk Sac Resorption, and Blood Biochemical Profiles in Anadolu-T Broiler Chickens

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Implication

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Cite This Study

Effect of in Ovo Bovine Colostrum Powder Administration on Embryonic Growth, Yolk Sac Resorption, and Blood Biochemical Profiles in Anadolu-T Broiler Chickens

Key Points

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