|
۱۳۹۰/۱۱/۸
نویسنده : Ahmad Salahi, Seyed Naser Mousavi, Farhad Foroudi,Mozhdeh Moosanezhad Khabisi and Mojtaba Norozi
سرفصل : جوجه کشی
Effects of in ovo Injection of Butyric Acid in Broiler Breeder Eggs on Hatching Parameters, Chick Quality and Performance
The experiment was conducted to evaluate the effect of butyric acid glyceride injection into amniotic
fluid on hatching, chick quality, organs weight and performance parameters broiler breeder chick. From flock
with 45 week age, 504 Ross 308 eggs with 66.5±0.5 g, in a completely randomized design with 3 treatment
(including control or without injection, injection of Nacl 0.9% or positive control and 0.3% butyric acid
injection), 4 replicate and 42 eggs on each replicate were selected. The results showed that butyric acid injection
on chick weight at hatch day was not significant but chick yield was significant (P<0.05). Also there were
significant differences in chick length and incubation duration (P<0.05), but there were not significant effects
on hatchability and chick quality. Chick body weight at 10 day post hatch was effected by butyric acid injection
(P<0.05) and butyric acid injection caused to increased 7.1 g chick weight on 10 day compare with control. Effect
of butyric acid injection on small intestine and jejunum length on hatch day and yolk free body mass (YFBM)
was significant (P<0.05) and butyric acid injected treatment had longer small intestine and jejunum length
compare with control. Injection effect on breast weight was not significant, but on thigh weight, liver and heart
weight at 7 day post hatch was significant (P<0.05). Duodenum weight at hatch day was affected by injection
(P<0.05). We can conclude that butyric acid injection on chick weight at hatch day was not significant but this
effect on 10 day was significant, also increased small intestine length and this topic help to increase
consumption, absorption of feeds and increased body weight.
کلید واژه های مرتبط :
In ovo injection - Butyric acid - Chick quality - Incubation parameters - Broiler breeder eggs
|