The Impact of Colostrum on Immune System Development in Newborn Lambs
DOI:
https://doi.org/10.52331/cvj.v30i1.15Keywords:
Colostrum quality, passive immunity, neonatal health, Brix refractometric value, hypothermia, diarrhea, body weight, maternal nutrition, lamb survival.Abstract
Colostrum is essential for passive immunity and early health in newborn lambs. This study examined the relationship between colostrum refractometric values and neonatal health outcomes—hypothermia, diarrhea, and body weight—in Turcana lambs from primiparous, second-parity, and third-parity ewes. Colostrum quality was evaluated using a refractometer, followed by statistical analyses (ANOVA and Pearson correlation analyses were conducted. The results showed no statistically significant differences in colostrum refractometric values across neonatal health conditions (F = 2.97, p = 0.116), though a trend indicated lower values in lambs with diarrhea. ANOVA analysis of body weight across health conditions found no significant differences (F = 2.13, p = 0.189). The Pearson correlation between colostrum refractometric values and body weight was weak and statistically non-significant (r = 0.226, p = 0.530). In third-parity ewes, colostrum values did not differ significantly between healthy and diarrhea-affected lambs (F = 0.47, p = 0.511). These findings indicate that although colostrum quality is essential for immunity, neonatal health is also shaped by maternal care, environmental factors, and pathogen exposure. The study underscores the need for comprehensive lamb management strategies, including optimizing colostrum intake, ensuring adequate maternal nutrition, and maintaining hygiene to improve neonatal survival and growth [8]. Further research should explore genetic and environmental factors affecting early lamb development to enhance overall health and productivity.
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