Publications by authors named "Xaysana Panyavong"
Article Synopsis
- Two experiments tested the use of seeds (PA) as a feed additive to reduce methane emissions in ruminants.
- In Experiment 1, Hanwoo steers on a TMR-PA diet showed improved digestibility and significant reductions in methane and nitrogen excretion compared to the control group.
- Experiment 2 confirmed that Holstein steers on the TMR-PA diet had lower rumen ammonia levels, increased short-chain fatty acids, and a notable decrease in rumen protozoa, indicating PA's potential as a natural supplement for reducing emissions.
Article Synopsis
- The study aimed to investigate how adding fruit and vegetable waste (FVW) affects the quality of corn stalk silage, which was made by mixing corn stalks with 3% FVW.
- Significant differences in nutritional components like dry matter, fiber levels, and digestibility were observed, with orange waste leading to the most beneficial results in terms of chemical composition and fermentation.
- Results showed that orange waste improved nutritional quality the most, while broccoli waste enhanced fermentation quality, highlighting that the type of waste used plays a crucial role in silage improvement.
Objective: This trial was conducted to explore the impact of different wilting time of Italian ryegrass (IRG) in the field on the nutritional quality and fermentation characteristics of its silage.
Methods: The harvested IRG was directly wilted in the field for 0 day (W0), 1 day (W1), 2 days (W2), and 3 days (W3), respectively, and tedded every 6 hours. And the preserved IRG was sampled at 1, 2, 3, 5, 10, 20, 30, and 45 days after ensiling and three replicates per treatment.
We hypothesized that the provision of rumen-inert fat (RIF) to growing cattle (9 to 13 mo of age) would affect the expression of genes involved in lipid metabolism and thereby affect the size and number of adipocytes of steers slaughtered at 30 mo of age. Thirty steers with an average initial body weight (BW) of 239 ± 25 kg were allocated to six pens, balanced for BW and genetic merit for marbling, and assigned to one of two treatment groups: control (only basal diet) or test diet (basal diet with 200 g of RIF per day, on an as-fed basis) for 5 mo. Biopsy samples of longissimus lumborum (LM) muscle were then collected for analysis of fatty acid composition and gene expression.
View Article and Find Full Text PDF