effects of using gracilariopsis persica in layer hen diet on performance, egg quality and lipids of blood serum

نویسندگان

امید وثوق شریفی

کارشناس ارشد، گروه علوم دام و طیور، پردیس ابوریحان، دانشگاه تهران، تهران سید داود شریفی

دانشیار گروه علوم دام و طیور، پردیس ابوریحان، دانشگاه تهران، تهران اکبر یعقوبفر

استاد بخش تغذیه و فیزیولوژی، مؤسسة تحقیقات علوم دامی کشور، کرج قدرت الله میرزاده

استادیار مرکز تحقیقات جهادکشاورزی استان هرمزگان، بندر عباس فیروز عسکری

چکیده

this study was conducted to investigate the effects of using gracilariopsis persica in layer diet on performance, egg quality and lipids of blood serum of layer hens. one-hundred hy-line w-36 hens were allocated to five dietary treatments (experimental diets containing 0, 5, 10, 15 and 20 percent seaweed) and five replicates and four birds in each for 12 week period (23-34 week of age). the results showed that in the birds fed diets containing more than 5% seaweed, had lower egg production and higher feed conversion ratio (p

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عنوان ژورنال:
علوم دامی ایران

جلد ۴۵، شماره ۴، صفحات ۳۰۹-۳۱۶

کلمات کلیدی
[ ' t h i s s t u d y w a s c o n d u c t e d t o i n v e s t i g a t e t h e e f f e c t s o f u s i n g g r a c i l a r i o p s i s p e r s i c a i n l a y e r d i e t o n p e r f o r m a n c e ' , ' e g g q u a l i t y a n d l i p i d s o f b l o o d s e r u m o f l a y e r h e n s . o n e ' , ' h u n d r e d h y ' , ' l i n e w ' , ' 3 6 h e n s w e r e a l l o c a t e d t o f i v e d i e t a r y t r e a t m e n t s ( e x p e r i m e n t a l d i e t s c o n t a i n i n g 0 ' , 5 , 1 0 , ' 1 5 a n d 2 0 p e r c e n t s e a w e e d ) a n d f i v e r e p l i c a t e s a n d f o u r b i r d s i n e a c h f o r 1 2 w e e k p e r i o d ( 2 3 ' , ' 3 4 w e e k o f a g e ) . t h e r e s u l t s s h o w e d t h a t i n t h e b i r d s f e d d i e t s c o n t a i n i n g m o r e t h a n 5 % s e a w e e d ' , ' h a d l o w e r e g g p r o d u c t i o n a n d h i g h e r f e e d c o n v e r s i o n r a t i o ( p ' ]

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