Effects of dietary organic and inorganic trace mineral levels on sow reproductive performances and daily mineral intakes over six parities

Journal of Animal Science
J C Peters, D C Mahan

Abstract

Dietary trace mineral sources and levels were fed to developing gilts to evaluate their performance responses during the growth phase, but treatments were continued into the reproductive phase in which subsequent reproductive responses were evaluated. In Exp. 1, three groups of gilts (n = 216) were used in a 2 x 2 factorial in a randomized complete block design (6 replicates) with treatment diets initially fed at 30 kg of BW. The first factor was trace mineral source (organic or inorganic), whereas the second factor evaluated dietary levels. The NRC requirement was the first level evaluated, whereas the second level was formulated to average industry standards (IND). Organic trace minerals were mineral proteinates, whereas the inorganic minerals were provided in salt form. The results of Exp. 1 indicated that trace mineral source or level did not affect gilt growth or feed performance responses to 110 kg of BW. Experiment 2 continued with the same females but was a 2 x 3 factorial in a split-plot design using 3 groups of females over a 6-parity period and had a total of 375 farrowings. Factors in Exp. 2 were the same as in Exp. 1, except that 2 additional pens of gilts during their development had been fed the IND level trace m...Continue Reading

Citations

May 1, 2012·Pakistan Journal of Biological Sciences : PJBS· MahimaDebashis Roy
Jan 30, 2019·Animals : an Open Access Journal From MDPI·Jessica R CraigJohn R Pluske
Oct 24, 2019·Anais Da Academia Brasileira De Ciências·Carine A BarrosJosé E S Ribeiro
Apr 24, 2019·Asian-Australasian Journal of Animal Sciences·Lianxiang MaDongyou Yu
Jan 1, 2013·ISRN Biotechnology·Alan LeonardiMaddalena Rossi
Feb 10, 2016·Porcine Health Management·Μarina LisgaraLeonidas Leontides
Feb 16, 2021·Research in Veterinary Science·Mengru ChangZheng Gao

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