Department of Nutrition and Dietetics, Faculty of Health Sciences, Osmaniye Korkut Ata University, Osmaniye, Turkey.
Department of Animal Breeding and Husbandry, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey.
J Anim Physiol Anim Nutr (Berl). 2021 Sep;105(5):946-951. doi: 10.1111/jpn.13506. Epub 2021 Feb 24.
The aim of this research was to determine the effects of coating broiler hatching eggs with chitosan on egg quality, embryonic growth, hatching results and chick quality. Eggs obtained from old broiler breeder, aged 59 weeks, were used. Eggs were divided into two groups (coated with chitosan and uncoated) groups. Each group was divided into three groups according to the storage period. Eggs were stored for periods of 1, 4 and 7 days at 15°C and 80% humidity. Then, they were incubated. Storage period of eggs up to 7 days did not affect the egg quality, egg weight loss, embryo growth, chick properties and hatchability of fertile eggs. However, embryo development, relative residual yolk sac weight and relative chick weight were affected by coating eggs with chitosan. Interaction was not found between storage lengths and coating of eggs with chitosan for all examined parameters. The results of the present study suggested that hatching eggs obtained from old broiler breeder flocks were immersed into chitosan solution once and quickly have negative effect on the embryo weight, yolk sac absorption and relative chick weight. It has been observed that covering the hatching eggs with chitosan is not suitable in this respect even if immersion takes place once and in a short time.
本研究旨在确定给种鸡孵化蛋包被壳聚糖对蛋品质、胚胎发育、孵化结果和雏鸡质量的影响。使用来自 59 周龄老种鸡的鸡蛋。将鸡蛋分为两组（包被壳聚糖和未包被）。每组又根据储存期分为三组。将鸡蛋在 15°C 和 80%湿度下储存 1、4 和 7 天。然后进行孵化。鸡蛋储存不超过 7 天不会影响蛋品质、蛋失重、胚胎生长、雏鸡特性和种蛋孵化率。然而，胚胎发育、相对残留卵黄囊重量和相对雏鸡重量会受到给鸡蛋包被壳聚糖的影响。在所有检查的参数中，都没有发现储存时间和给鸡蛋包被壳聚糖之间的相互作用。本研究结果表明，来自老种鸡群的种蛋被壳聚糖溶液浸泡一次，会对胚胎重量、卵黄囊吸收和相对雏鸡重量产生负面影响。观察到，即使浸泡时间短，给种蛋包被壳聚糖也不适合这方面。
