METHOD FOR DETECTION OF BLOOD LYSOZYME ACTIVITY IN AGRICULTURAL ANIMALS

Author(s):  
V.Ya. Sarukhanov ◽  
◽  
N.N. Isamov ◽  
I.M. Kolganov ◽  
◽  
...  
Keyword(s):  
2005 ◽  
Vol 94 (5) ◽  
pp. 746-752 ◽  
Author(s):  
Haijun Zhang ◽  
Yuming Guo ◽  
Jianmin Yuan

This study was undertaken to investigate the growth performance and immune responses of broiler chicks fed diets supplemented with conjugated linoleic acid (CLA). Two hundred and forty day-old Arbor Acre male broiler chicks were randomly allotted into four dietary treatments with different inclusion levels of CLA (0, 2·5, 5·0 or 10·0g pure CLA/kg) for 6 weeks. Growth performance, lysozyme activity, peripheral blood mononuclear cell (PBMC) proliferation, prostaglandin E2 (PGE2) synthesis and antibody production were investigated. There were no significant differences in growth performance among treatments (P>0·05). Chicks fed 10·0g CLA/kg diet produced 40% and 49% more lysozyme activity in serum and spleen than the control group at 21d of age (P<0·05). Dietary CLA enhanced the PBMC proliferation in response to concanavalin A at the age of 21 and 42d (P<0·05). Systemic and peripheral blood lymphocytic synthesis of PGE2 in chicks fed 10·0g CLA/kg diet was significantly decreased by 57% and 42% compared to chicks fed control diet (P<0·05). Antibody production to sheep red blood cell and bovine serum albumin were elevated in either 2·5 or 10·0g CLA/kg dietary treatments (P<0·05). The results indicated dietary CLA could enhance the immune response in broiler chicks, but did not alter the growth performance.


1978 ◽  
Vol 71 (9) ◽  
pp. 1109-1111 ◽  
Author(s):  
N. LEVY ◽  
R. G. GIBSON ◽  
A. A. MIHAS ◽  
B. I. HIRSCHOWITZ

1990 ◽  
Vol 36 (1) ◽  
pp. 71-76 ◽  
Author(s):  
Louis Lamy ◽  
Marie-Odile Portmann ◽  
Mohamed Mathlouthi ◽  
Véronique Lurreta-Garde

2001 ◽  
Vol 53 (4) ◽  
pp. 549-554 ◽  
Author(s):  
Yong-Hong Liao ◽  
Marc B. Brown ◽  
Gary P. Martin
Keyword(s):  

1977 ◽  
Vol 55 (5) ◽  
pp. 418-424 ◽  
Author(s):  
Niels Ebbe Hansen ◽  
Hans Karle ◽  
Anette Jensen ◽  
Elisabeth Rock

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