Tudisco, Raffaella and Calabrò, Serena and Cutrignelli, Monica Isabella and Moniello, Giuseppe and Grossi, Micaela and Mastellone, Vincenzo and Lombardi, Pietro and Pero, Maria Elena and Infascelli, Federico (2015) Genetically modified soybean in a goat diet: influence on kid performance. Small Ruminant Research, Vol. 126 (Supplement 1), p. 67-74. eISSN 1879-0941. Article.
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The in vivo and post mortem performance and serum immunoglobulin G (IgG) concentration in kids born from goats fed conventional (group C) or genetically modified (group T) soybean meal were evaluated. The goat colostrum quality, in terms of chemical composition, as well as immunoglobulin concentration, and the presence of feed DNA fragments were also investigated. Kid birth weights were similar, while significantly (P < 0.05) higher in those born from goats in group C at day 30 and at slaughtering. In addition, kids from mothers fed conventional soybean recorded significant (P < 0.05) higher height at the withers and chest width. Concerning the post mortem measurements, only carcass weights were significantly affected by the treatment resulting in lighter T kids (P < 0.05). Colostrum from the treated groups recorded a significantly (P < 0.01) lower percentage of protein and fat. Similarly, both chemical parameters significantly differed in milk collected 15 days after kidding, although these differences disappeared in the successive samplings. Both colostrum and kids serum IgG concentration were significantly (P < 0.01) lower in the treated groups. Transgenic target DNA sequences (35S and CP4 EPSPS) were not detected in colostrum from goats that received a diet containing conventional soybean meal. By contrast, transgenic DNA fragments were amplified (P < 0.05) in samples from goats that received the transgenic soybean.
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