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ARS Home » Plains Area » Clay Center, Nebraska » U.S. Meat Animal Research Center » Reproduction Research » Research » Publications at this Location » Publication #359400

Research Project: Improving Lifetime Productivity in Swine

Location: Reproduction Research

Title: Associations between day one piglet serum immunocrit ratio and subsequent growth during gilt development

Author
item Supakorn, C - Iowa State University
item Lents, Clay
item Martinez, X - Smithfield Foods, Inc
item Vallet, Jeffrey - Jeff
item Boyd, R - Hanor Family Of Companies
item Rohrer, Gary
item Dedecker, A - Smithfield Foods, Inc
item Stalder, K - Iowa State University

Submitted to: Journal of Animal Science Supplement
Publication Type: Abstract Only
Publication Acceptance Date: 11/8/2018
Publication Date: N/A
Citation: N/A

Interpretive Summary:

Technical Abstract: Colostrum intake affects gut development in the neonatal piglet. The pig’s subsequent growth performance and viability may be affected by colostrum intake. Immunoglobulin uptake can be effectively estimated from the piglet’s immunocrit ratio (IR). The objective for this study was to determine the association between IR and growth performance from weaning to 200 days. Associations between serum IR measures and subsequent growth performance such as body weight, backfat thickness, caliper reading, and flank-to-flank distance at weaning (WW), 100, 142, 160, and 200 days, average daily gain (ADG) between weaning to 100 days (ADG1), and ADG between 100 to 200 days (ADG2) were evaluated. The IR measures were collected from 2,715 female piglets on Day 1 at Circle 4 Farms, Milford, UT and measured by USMARC. The IR evaluation was divided into 5 groups: lowest (0.05'IC; n=90), low (0.05'IC'0.1; n=362), medium (0.1'IC'0.15; n=1,314), high (0.15'IC<0.2; n=949), and highest (IC ' 0.2; n=141), respectively. Weaning weight, subsequent growth performance and ADG least square means for each IR category were analyzed using PROC GLM and PDIFF option for mean comparisons. Fixed effects for post-weaning growth traits were contemporary group (week x room), development diet, and birth weight category. Development diet was not included in the model for WW. Gilts from high and highest IR had significantly (P<0.05) greater weaning weight (6.5±0.1 kg and 6.5±0.1 kg, respectively), backfat thickness, caliper reading, and flank-to-flank distance at 100 to 200 days, ADG1 (0.45±0.004 kg/day and 0.45±0.007 kg/day, respectively) and ADG2 (0.79±0.005 kg/day and 0.81±0.001 kg/day, respectively) when compared to gilts from lowest IR (5.9±0.2 kg for WW, 0.39±0.008 kg/day for ADG1, and 0.75±0.01 kg/day for ADG2). These data support the concept that neonatal piglet colostrum intake results in improved subsequent growth performance.