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Animal Reproduction and Physiology
Asian-Australasian Journal of Animal Sciences 1997;10(4): 435-438.
DOI: https://doi.org/10.5713/ajas.1997.435    Published online August 1, 1997.
Effects of stomach worm (Haemonchus contortus) infection on the kids born of infected mother goats
M. M. R. Howlader, S. S. Capitan, S. L. Eduardo, N. P. Roxas, C. C. Sevilla
Abstract
Twelve newborn goat kids born of philippine does (3.5 and 5 years old) were used in this study. Four mother (candidate) doe goats were randomly allocated to each group. The mother does were infected orally with three levels (0, 15,000 and 30,000 larvae) of infective Haemonchus contortus larvae. Before infection all animals were housed in individual pens with concrete floors. They were provided with a uniform management. Estrus of does were synchronized using PGF2 alpha. All the animals were bred naturally by the same buck. Baby goat born of infected mother goats were divided into three groups. Birth weight and growth of goat kids born from H. contortus infected mother goats were determined. Birth weights of kids of T1, T2 and T3 were 1.9, 1.5 and 1.2 kg, respectively. No significant (p > 0.05) differences in birth weight of kids for the 3 treatment groups were found. However, significant (p < 0.05) effects of stomach worm infection and duration of infection on liveweight gain of kids were observed. After second and third week of birth, respectively, the kids of groups 3 and 2 registered lover liveweight gains than the kids in control group. However, no significant (p > 0.05) difference in liveweight gain was found between the kids of infected mother does. Fecal egg counts of the infected mother does showed patent infections which also indicated by postmortem worm counts. However, no worm egg was found in the feces of the test kids.
Keywords: Effects; Newborn Goat Kid; Haemonchus contortus; Experimental infection; Mother Goat


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