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Effect of in OVO injection by nutritive solutions and post hatch early feeding on hatchability, growth performance and physiological response of local strain chicks
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Abstract: This study included two experiments which conducted to investigate the effect of in ovo injection by nutritive solutions and early feeding in the hatcher on hatchability, growth performance, weights of some body parts, small intestine development, as well as some immune organs and some blood serum constituents in local Sinai strain chicks. A total of 750 hatching eggs used were divided into 6 equal treatments (125 eggs per each). At 18th day of incubation each egg in all treatments except treatment 1 was injected with 0.3 ml solution (1 % concentration), of different compounds into amniotic sac through the air sac as follows: negative control without injection (treatment 1), sterile distilled water alone (treatment 2), glucose (treatment 3), methionine (treatment 4), bee bread (treatment 5) and ascorbic acid (treatment 6). Hatched chicks of each treatment were subdivided into two equal groups and reared till 28 days of age. Chicks of first group were fed starter diet in hatcher (early feeding), whereas, chicks of second group were fed same diet after their access to poultry farm (late feeding). All birds were reared till 28 days of age, which recorded live weight and feed intake as well as calculated weight gain and feed conversion during the periods, 0-2, 2-4 and 0-4 weeks of age. Slaughter test was carried out at 5 and 28 days of age for determining some weight of body parts and blood constituents.
Results obtained could be summarized as follows:
1-Hatchability of fertile eggs was significantly improved by ovo injection with nutritive solutions as compared to the control.
2- Live weight and feed intake as well as weight gain and feed conversion ratio were significantly improved by early feeding as compared to late feeding, whereas, the same traits were significantly improved by in ovo injection with nutritive solutions as compared to the control during the experiment periods.
3- Body weight for early feeding group was significant heavier than late feeding group by 8.7%, during overall experimental period (0-28 days of age)
4- Early feeding resulted in a significant improvement in relative weights of some body parts compared to late feeding, whereas, the same traits were significantly higher for injected groups with nutritive solutions comparing to the control.
5-Lengths of small intestine parts were significantly developed by early feeding as compared to late feeding, whereas, in ovo injection by nutritive solutions resulted in a significant improvement in small intestine lengths as compared to the control.
6- Early feeding resulted in a significant improvement in serum proteins level comparing to late feeding and recorded improvement in injection groups by nutritive solutions comparing to the control.
7 - Serum content of total lipids and cholesterol was significantly decreased in chicks which fed in hatcher (early feeding) comparing with chicks fed at their access to poultry farm (late feeding), whereas, in ovo injection by nutritive solutions resulted in same of result comparing by the control. .
8- Early feeding resulted in significantly higher of blood hemoglobin level as well as white blood cells count.
Previous results illustrated that it can be by in ovo injection with nutritive solutions at 18th day of incubation and early feeding in the hatcher improved hatchability and nutrition advantage of chicks produced by improving growth and digestion and absorption in the small intestine. Also the best nutrition solutions used were glucose, methionine, bee bread, and ascorbic acid solutions, respectively.
Key Words: Injection, hatch., early feeding, growth, immune organs and small intestine.
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| Publication year |
2014
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| Pages |
993-1018
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| Availability location |
معهد بحوث الانتاج الحيوانى- شارع نادى الصيد- الدقى- الجيزة
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| Availability number |
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| Organization Name |
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| City |
الاسكندرية
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| serial title |
Egyptian Poultry Science Journal
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| ISSN |
1110-5623
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| Author(s) from ARC |
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| Agris Categories |
Animal physiology - Reproduction
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AGROVOC
TERMS |
Growth.
Hatching.
Injection.
Intestines.
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| Proposed Agrovoc |
early feeding;immune organs;
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| Publication Type |
Journal
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