Zobrazeno 1 - 2
of 2
pro vyhledávání: '"M A Lebdah"'
Publikováno v:
Mansoura Veterinary Medical Journal. 17:1-10
Vaccination against E. coli with two types of inactivated vaccine was carried out to study the immunogenicity in breeder hens and protection of the progeny from infection. Two groups of breeder hens were immunized with E.coli sonicated and formalized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::830c5b25d31c7902c22032e525715e26
https://doi.org/10.21608/mvmj.2016.129780
https://doi.org/10.21608/mvmj.2016.129780
Publikováno v:
Zagazig Veterinary Journal. 41:108-123
A total of 100 broiler farms reprsenting 765 500 chickens from 5 different Egyptian governorates at Delta, including ; Al-Dakahlia (56), Dametta (20), Al-Sharkia (6), Kafer Elsheakh (8), Al-Gharbia (10) farms respectively; were examined with both cli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f3f418e41d4a99cb9e32dca75376233
https://doi.org/10.21608/zvjz.2013.94462
https://doi.org/10.21608/zvjz.2013.94462