ORIGINAL PAPER
Dietary inclusion of almond hull on growth performance,
nutrient digestibility, faecal microbiome, faecal score,
and noxious gas emissions in weaning pigs
1
Dankook University, Department of Animal Resource & Science, Anseodong, Cheonan, Chungnam, 330-714, Korea
Publication date: 2024-04-05
Corresponding author
I. H. Kim
Dankook University, Department of Animal Resource & Science, Anseodong, Cheonan, Chungnam, 330-714, Korea
Dankook University, Department of Animal Resource & Science, Anseodong, Cheonan, Chungnam, 330-714, Korea
KEYWORDS
TOPICS
ABSTRACT
In a 42-day study, a total of 195 [(Landrace × Yorkshire) × Duroc)] piglets with 6.52 ± 0.59 kg were randomly assigned into three treatments with 13 replication and five pigs (3 barrows and 2 gilts) per pen, which was used to evaluate the impact of weaning pig diets including almond hulls (AH) on growth performance, nutrient utilization, fecal microbiome, noxious gas emissions, and fecal score. The following dietary treatment groups were used: Basal diet as control; basal diet + 3% almond hull as TRT1; basal diet + 6% almond hull as TRT2. At the end of the experiment, ADG (average daily gain), and gain to feed ratio (G: F) presented a trend in increase (p < 0.10). However, the average daily feed intake (ADFI) remained constant (p > 0.05) along with nutrient digestibility, fecal microbiome (Salmonella, E.coli, and Lactobacillus), and fecal score. Among noxious gases, only NH3 tended to reduce (p < 0.10) and other gases (CO2, H2S, Methyl mercaptans, acetic acid) remained steady (p > 0.05). These findings indicated that the inclusion of AH in diet could improve growth performance and reduce NH3 gas discharges without negative effect on nutrient absorption, microbial count, and fecal score in weaned piglets.
FUNDING
This research was financially supported by Basic
Science Research Program through the National
Research Foundation of Korea (NRF), funded by the
Ministry of Education (NRF-RS-2023-00275307).
CONFLICT OF INTEREST
The Authors declare that there is no conflict of
interest.
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