The aim of the present study is to investigate the effects Saccharomyces cerevisiae (Yea-Sacc 1026/Alltech) yeast culture on humoral and cellular immunity of Jersey cows in early lactation. Twenty Jersey cows in the second lactation period were equally divided to control and study groups. Starting from the 45th day of the lactation period, 10 g day(-1) of S. cerevisiae (Yea-Sacc/All-Tech Co.) were administrated to cows for 21 days. Blood were collected via vena jugularis on the 45, 52, 59, 66, 73th days postpartum. From the smears obtained, T and B lymphocyte numbers were recorded and in blood sea Bovine IgG, Bovine IgG,, Bovine IgG(2), Bovine IgM and Bovine IgA levels were deteected. In conclusion, the results of this study indicated an immunstimulant tendency of Saccharomyces cerevisia at 10 g daily in. take for dairy cows in early lactation.
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Alexandria Univ, Dept Anim Prod, Fac Agr, Alexandria, EgyptAlexandria Univ, Dept Anim Prod, Fac Agr, Alexandria, Egypt
Ei-Adawy, M. M.
Yacout, M. H.
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Alexandria Univ, Dept Anim Prod, Fac Agr, Alexandria, EgyptAlexandria Univ, Dept Anim Prod, Fac Agr, Alexandria, Egypt
Yacout, M. H.
Kamel, H. E. M.
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Alexandria Univ, Dept Anim Prod, Fac Agr, Alexandria, EgyptAlexandria Univ, Dept Anim Prod, Fac Agr, Alexandria, Egypt
Kamel, H. E. M.
Salem, A. Z. M.
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Alexandria Univ, Dept Anim Prod, Fac Agr, Alexandria, Egypt
Univ Autonoma Estado Mexico, Fac Med Vet & Zootecnia, Toluca, Estado De Mexic, MexicoAlexandria Univ, Dept Anim Prod, Fac Agr, Alexandria, Egypt
Salem, A. Z. M.
EI-Magdoub, A. A.
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Alexandria Univ, Dept Anim Prod, Fac Agr, Alexandria, EgyptAlexandria Univ, Dept Anim Prod, Fac Agr, Alexandria, Egypt
EI-Magdoub, A. A.
Mellado, M.
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Alexandria Univ, Dept Anim Prod, Fac Agr, Alexandria, Egypt
Autonomous Agr Univ Antonio Narro, Dept Anim Nutr, Saltillo, Coahuila, MexicoAlexandria Univ, Dept Anim Prod, Fac Agr, Alexandria, Egypt
Mellado, M.
Camacho, L. M.
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Alexandria Univ, Dept Anim Prod, Fac Agr, Alexandria, Egypt
Univ Autonomade Guerrero, Unidad Acad Med Vet & Zootecnia, Altanirano 40660, MexicoAlexandria Univ, Dept Anim Prod, Fac Agr, Alexandria, Egypt
Camacho, L. M.
Alsersy, H. N.
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Alexandria Univ, Dept Anim Prod, Fac Agr, Alexandria, EgyptAlexandria Univ, Dept Anim Prod, Fac Agr, Alexandria, Egypt
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China Agr Univ, Natl Feed Engn Technol Res Ctr, Beijing 100094, Peoples R ChinaChina Agr Univ, Natl Feed Engn Technol Res Ctr, Beijing 100094, Peoples R China
Li, J
Xing, JJ
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China Agr Univ, Natl Feed Engn Technol Res Ctr, Beijing 100094, Peoples R ChinaChina Agr Univ, Natl Feed Engn Technol Res Ctr, Beijing 100094, Peoples R China
Xing, JJ
Li, DF
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China Agr Univ, Natl Feed Engn Technol Res Ctr, Beijing 100094, Peoples R ChinaChina Agr Univ, Natl Feed Engn Technol Res Ctr, Beijing 100094, Peoples R China
Li, DF
Wang, X
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China Agr Univ, Natl Feed Engn Technol Res Ctr, Beijing 100094, Peoples R ChinaChina Agr Univ, Natl Feed Engn Technol Res Ctr, Beijing 100094, Peoples R China
Wang, X
Zhao, LD
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China Agr Univ, Natl Feed Engn Technol Res Ctr, Beijing 100094, Peoples R ChinaChina Agr Univ, Natl Feed Engn Technol Res Ctr, Beijing 100094, Peoples R China
Zhao, LD
Lv, S
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China Agr Univ, Natl Feed Engn Technol Res Ctr, Beijing 100094, Peoples R ChinaChina Agr Univ, Natl Feed Engn Technol Res Ctr, Beijing 100094, Peoples R China
Lv, S
Huang, DS
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China Agr Univ, Natl Feed Engn Technol Res Ctr, Beijing 100094, Peoples R ChinaChina Agr Univ, Natl Feed Engn Technol Res Ctr, Beijing 100094, Peoples R China