Piglets are born with reduced plasma concentrations of 25-hydroxycholecalciferol (25-OH-D3) and are thus highly predisposed to vitamin D deficiency. Furthermore, sow milk contains little vitamin D, and the slow intestinal vitamin D absorption of sows limits the efficacy of dietary vitamin D supplementation. Hence, the neonate depends, to a large extent, on the vitamin D stores built up in fetal tissues from maternal sources. The current study was undertaken to evaluate whether the source and quantity of dietary vitamin D provided to the gestating and lactating sow, and also directly in the form of creep feed to the piglet, would influence the vitamin D status, growth performance, and skeletal development of piglets. A total of 39 primiparous and multiparous sows were randomly assigned to 1 of 3 dietary treatments (13 in each treatment), supplemented with either 5 or 50 \u03bcg of the commonly used cholecalciferol (vitamin D3) or 50 \u03bcg of 25-OH-D3 per kilogram of feed. By wk 3 of lactation, piglets were offered a creep diet with vitamin D supplementation according to the treatment of the dam, and they were offered the same creep diets after weaning at d 35 of age until they reached a BW of approximately 20 kg. When dietary 25-OH-D3 was provided, circulating concentrations of 25-OH-D3 in piglet serum increased as early as d 21 and later at d 33 and 77, indicating greater body stores in those animals. Bone-breaking strength and cortical bone mineral content and density at the tibial midshaft of piglets were reduced when vitamin D3 was supplemented at 5 \u03bcg\/kg compared with the bone traits of other groups, but no differences were observed between the 2 other groups. After weaning, ADFI was greater and growth performance tended to improve when doses of 50 \u03bcg\/kg were administered, regardless of the vitamin D source. In conclusion, supplementation of the diet with 50 \u03bcg\/kg of either source of vitamin D was proved to be adequate in meeting the needs of gestating sows and in permitting the accumulation of vitamin D in J ANIM SCI 2011, 89:1347-1357fetal tissues, as well as for normal skeletal mineralization and growth in the offspring. Furthermore, the markedly improved vitamin D status of piglets whose mothers received 25-OH-D3 possibly resulted from greater tissue reserves present at birth and a greater availability of vitamin D when released from those stores.<\/p>\n","protected":false},"excerpt":{"rendered":"
Piglets are born with reduced plasma concentrations of 25-hydroxycholecalciferol (25-OH-D3) and are thus highly predisposed to vitamin D deficiency. Furthermore, sow milk contains little vitamin D, and the slow intestinal vitamin D absorption of sows limits the efficacy of dietary vitamin D supplementation. Hence, the neonate depends, to a large extent, on the vitamin D […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[930],"tags":[8051,8882,640,13816,2863,4818,6146,12251,2817,3965,9265,7840,577,1287,23694,25122,10774,6904,46,8108,20007,158,8991,20792,13370,5683,6825,61,10858,7258,1063,10859,63,14,126,89,16262,92,2120,104,96,23609,35,20911,1579,18011,52,5164,12476,10641,7947,77],"class_list":["post-8131","post","type-post","status-publish","format-standard","hentry","category-production","tag-25-hydroxycholecalciferol","tag-al","tag-animal","tag-ass","tag-birth","tag-blood","tag-bone","tag-born","tag-cla","tag-content","tag-creep","tag-creep-feed","tag-diet","tag-diets","tag-dir","tag-eet","tag-effect-of-source-and-quantity-of-dietary-vitamin-d-in-maternal-and-creep-diets-on-bone-metabolism-and-growth-in-piglets","tag-fee","tag-feed","tag-gestating-sow","tag-gh","tag-growth","tag-hydroxycholecalciferol","tag-influence","tag-ken","tag-lactating","tag-lactating-sow","tag-lactation","tag-mark","tag-milk","tag-mineral","tag-nat","tag-performance","tag-pig","tag-piglet","tag-piglets","tag-pl","tag-plasma","tag-release","tag-sow","tag-sows","tag-spring","tag-swine","tag-t","tag-test","tag-tot","tag-treatment","tag-vitamin","tag-vitamin-d","tag-vitamin-d-piglets","tag-vitamin-d3","tag-weaning"],"_links":{"self":[{"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/posts\/8131","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/comments?post=8131"}],"version-history":[{"count":6,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/posts\/8131\/revisions"}],"predecessor-version":[{"id":10654,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/posts\/8131\/revisions\/10654"}],"wp:attachment":[{"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/media?parent=8131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/categories?post=8131"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/tags?post=8131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}