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Bone traits and gastrointestinal tract parameters of piglets fed cholecalciferol and 1, 25-dihydroxycholecalciferol glycoside

Trautenmüller, Heloíse; Genova, Jansller Luiz; Faria, Adriana Bulcão Bock de; Martins, Juliana Stocco; Viana, Sthefany Caroline Marques; Castilha, Leandro Dalcin; Gonçalves Junior, Affonso Celso; Baraldi-Artoni, Silvana Martinez; Carvalho, Paulo Levi de Oliveira.
Rev. bras. zootec; 50: e20210098, 2021. ilus, tab
Artigo em Inglês | VETINDEX | ID: biblio-1443424


The objective of this study was to evaluate the cholecalciferol and 1,25-dihydroxycholecalciferol glycoside supplementation in piglet diet on organ biometry and physicochemical composition, pH of the digestive tract contents, and bone traits. A total of 128 entire male piglets (21 days-old, 6.82±0.38 kg body weight) were distributed in a completely randomized block design with eight replications and four animals per experimental unit. The treatments were composed of a diet 100/0 = 100% of the vitamin D supplemented with cholecalciferol; 50/50 = 50% supplemented with cholecalciferol + 0.25 µg of 1,25(OH)2 D3 glycoside; 25/75 = 25% supplemented with cholecalciferol + 0.375 µg of 1,25(OH)2 D3 glycoside; and 0/100 = 0.50 µg of 1,25(OH)2 D3 glycoside. The results indicated that piglets fed 100/0 showed an increase in spleen weight compared with those fed 0/100 and greater heart dry matter than piglets fed the 50/50 diet. Phosphorus concentration in the spleen was higher in piglets that received 25/75 when compared with those that received the 100/0 and 0/100 diets. Piglets that received the 0/100 diet showed higher pH of the stomach contents, but showed reduced pH of the contents of the jejunum and ileum. The width of the epiphysis and diaphysis was greater when piglets consumed the 50/50 treatment; however, a lower epiphysis height was observed. The use of 1,25(OH)2 D3 glycoside alone in piglet diets does not negatively influence the pH of the gastrointestinal tract and organ physicochemical composition. In addition, the use of diets with 1,25(OH)2 D3 glycoside as a replacement for cholecalciferol reduces spleen weight and promotes improvements in bone development.
Biblioteca responsável: BR68.1