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Autor:
B. Kouwenhoven
Publikováno v:
Avian Pathology. 22:643-645
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81c7416f5c3999ca72b8f2b26f3c9028
https://doi.org/10.1080/03079459308418951
https://doi.org/10.1080/03079459308418951
Publikováno v:
Avian pathology : journal of the W.V.P.A. 26(1)
Broilers with maternally-derived immunity (MDI) to infectious bronchitis (IB) were either spray-vaccinated with H120 at 1 day old, or not vaccinated, then challenged at 28 days with one of four different IBV serotypes. Birds were bled frequently and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f222179544feaa980d504da078652b6
https://pubmed.ncbi.nlm.nih.gov/18483894
https://pubmed.ncbi.nlm.nih.gov/18483894
Publikováno v:
The Journal of Nutrition 122 (1992)
The Journal of Nutrition, 122, 333-339
The Journal of Nutrition, 122, 333-339
The effect of infection with infectious bronchitis virus (IBV) and reovirus (RV) on vitamin A status was investigated in chickens with a normal or marginal intake of vitamin A. At the age of 4 wk, chickens were infected with either IBV or RV, primari
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::085496d6bf724430e4153f803bb0f829
https://pubmed.ncbi.nlm.nih.gov/1310111
https://pubmed.ncbi.nlm.nih.gov/1310111
Autor:
B. Kouwenhoven, H. Kuil
Publikováno v:
Veterinary Parasitology. 2:283-292
In the indirect immunofluorescent antibody (IFA) test using sporozoites as an antigen, sera from chickens immunized via the natural route were positive in dilutions as high as 1 : 1 048. Serum from a rabbit, immunized only to sporozoites by subcuntan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c18465e2d29383c38c0a47491436a940
https://doi.org/10.1016/0304-4017(76)90086-8
https://doi.org/10.1016/0304-4017(76)90086-8
Publikováno v:
Veterinary Parasitology. 3:33-40
The effect of the inoculation dose on the development of antibodies as measured by the indirect fluorescent antibody (IFA) test against E. maxima and E. acervulina was studied in two experiments in each of which six groups of six chickens each were i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d74a39f97f44db5ca734306a8d4cc8f
https://doi.org/10.1016/0304-4017(77)90005-x
https://doi.org/10.1016/0304-4017(77)90005-x
Publikováno v:
JAMA: The Journal of the American Medical Association. 251:3133-3136
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::90262e541b552b66391871bc8cd820e2
https://doi.org/10.1001/jama.251.23.3133
https://doi.org/10.1001/jama.251.23.3133
Publikováno v:
Avian Pathology. 17:139-148
The neutralisation of immunofluorescent foci test was adapted to the grouping of 14 recent Dutch infectious bronchitis virus isolates. This test provides a distinct grouping of the isolates and the corresponding sera. Evaluation of the tests was carr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5f754417615a721ef9c6aa2d42d30f55
https://doi.org/10.1080/03079458808436434
https://doi.org/10.1080/03079458808436434
Publikováno v:
Avian Pathology. 5:261-272
Two outbreaks of dropped egg production and production of soft shelled and shell-less eggs are described. The outbreaks were selected from a larger number of flocks with similar problems in the field. The drop in egg production was closely correlated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f4c43a377b76c345f5581ab022af4e0
https://doi.org/10.1080/03079457608418195
https://doi.org/10.1080/03079457608418195