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补饲开食料对断奶前后仔猪行为和生产性能的影响

Effects of Creep Feed Provision on Behavior and Performance of Piglets Around Weaning.

作者信息

Middelkoop Anouschka, Choudhury Raka, Gerrits Walter J J, Kemp Bas, Kleerebezem Michiel, Bolhuis J Elizabeth

机构信息

Adaptation Physiology Group, Department of Animal Sciences, Wageningen University & Research, Wageningen, Netherlands.

Host-Microbe Interactomics Group, Department of Animal Sciences, Wageningen University & Research, Wageningen, Netherlands.

出版信息

Front Vet Sci. 2020 Nov 12;7:520035. doi: 10.3389/fvets.2020.520035. eCollection 2020.

Abstract

Creep feed provision may ease weaning, hence we determined the impact of providing fibrous creep feed before weaning and adding this feed to the post-weaning diet on piglet behavior and performance. Pre-weaning, litters with on average 12 piglets were given creep feed (CF, = 12 litters) or not (NF, = 10 litters). Post-weaning, piglets ( = 8 pens with 4 piglets/treatment) were given a weaner diet (CON) or weaner diet supplemented with creep feed (CS). Behaviors were scored in the home pen at d11, 16, 22 and 27 after birth and at wk 1 and 2 post-weaning. Feed intake, growth and fecal consistency were measured up to d14 post-weaning. A blood sample was taken at d2, 15 and 29 after birth and d2, 5 and 14 post-weaning. CF-piglets consumed on average 397 ± 71 g creep feed before weaning. CF-piglets grew faster in the last week before weaning than NF-piglets (249 ± 7 vs. 236 ± 11 g/d, = 5.81, = 0.03). However, CF- and NF-piglets did not differ in weaning weight, within-litter coefficient of variation in weaning weight, behaviors in the farrowing and weaner pen, and haptoglobin concentrations. Creep feed supplementation enhanced feed exploration at wk 2 post-weaning (0.29 ± 0.08 vs. 0.11 ± 0.03%, = 5.27, = 0.03), but did not affect other post-weaning behaviors. Pre-weaning creep feed provision and post-weaning creep feed supplementation did not affect overall feed intake, growth, feed efficiency and fecal consistency for the first 14 days post-weaning, neither body weight at d14 post-weaning. Nevertheless, CF-piglets had a lower within-pen coefficient of variation in body weight at d14 post-weaning than NF-piglets (13.6 ± 1.9 vs. 15.1 ± 1.5%, = 6.89, = 0.01). In conclusion, pre-weaning creep feed provision and post-weaning creep feed supplementation had no clear effects on piglet behavior and performance.

摘要

提供补饲可能会使断奶过程更顺利,因此我们确定了在断奶前提供纤维性补饲并将这种饲料添加到断奶后日粮中对仔猪行为和生产性能的影响。断奶前,平均每窝12头仔猪的窝组接受补饲(CF,n = 12窝)或不接受补饲(NF,n = 10窝)。断奶后,仔猪(n = 8个栏,每个处理4头仔猪)被给予断奶仔猪日粮(CON)或添加了补饲的断奶仔猪日粮(CS)。在出生后第11、16、22和27天以及断奶后第1周和第2周在仔猪的圈舍内对行为进行评分。在断奶后第14天之前测量采食量、生长情况和粪便稠度。在出生后第2、15和29天以及断奶后第2、5和14天采集血样。CF组仔猪在断奶前平均消耗397±71克补饲。CF组仔猪在断奶前最后一周的生长速度比NF组仔猪快(249±7 vs. 236±11克/天,F = 5.81,P = 0.03)。然而,CF组和NF组仔猪在断奶体重、窝内断奶体重变异系数、分娩栏和断奶仔猪栏内的行为以及触珠蛋白浓度方面没有差异。添加补饲提高了断奶后第2周的饲料探索行为(0.29±0.08 vs. 0.11±0.03%,F = 5.27,P = 0.03),但不影响其他断奶后行为。断奶前提供补饲和断奶后添加补饲对断奶后前14天的总体采食量、生长、饲料效率和粪便稠度以及断奶后第14天的体重均无影响。然而,CF组仔猪在断奶后第14天栏内体重变异系数低于NF组仔猪(13.6±1.9 vs. 15.1±1.5%,F = 6.89,P = 0.01)。总之,断奶前提供补饲和断奶后添加补饲对仔猪行为和生产性能没有明显影响。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8dcb/7689248/cbdffdb8c3b8/fvets-07-520035-g0001.jpg

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