The paternal effect of Campylobacter jejuni colonization in ceca in broilers
Related Experiment Video
Updated: Jul 2, 2026

Detection and Isolation of Campylobacter spp. from Raw Meat
Published on: February 23, 2024
X Li1, C L Swaggerty, M H Kogut
1Department of Poultry Science, Texas A&M University, College Station 77843, USA.
Abstract:
Campylobacter jejuni is one of the most common causes of acute enteritis worldwide. Chickens are believed to be the main reservoir of C. jejuni. The role that host genetics play in resistance/susceptibility to C. jejuni colonization in broilers is still not clear. Day-old broilers from 2 parental lines (A and B) and their F(1) reciprocal crosses (C and D) were challenged orally with 10(5) cfu of C. jejuni to address the role of genetics in determining resistance/susceptibility to C. jejuni colonization in broilers. Cloacal swabs were collected on 6, 10, and 13 d postinoculation (dpi), and cecal contents cultured for C. jejuni on 7 and 14 dpi. The number of C. jejuni colonies in the cloacal swabs and cecal contents of each bird were recorded at each time point. Significantly fewer bacteria were found in the cecal contents from line A than B (P < 0.05) and cross D (A male x B female) when compared with cross C (A female x B male) at both 7 and 14 dpi. There was a significant correlation between C. jejuni counts in cloacal swabs and those in cecal contents. The results indicated that a paternal effect might be one of the important genetic factors influencing resistance to C. jejuni colonization in broilers.
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