Publications by authors named "Zengyuan Zhao"
Article Synopsis
- - Supplementation of benzoic acid (BA) in dairy calf diets improved growth performance, with higher daily gains and altered feed intake patterns compared to a control group not receiving BA.
- - The study involved 32 Holstein calves divided into four groups, including a control group and three BA-supplemented groups (0.25%, 0.50%, and 0.75%), monitored over 42 days post-weaning.
- - BA supplementation positively influenced rumen fermentation by increasing the molar proportions of beneficial fatty acids but did not significantly change the overall diversity of rumen microbiota, while boosting beneficial bacteria and reducing harmful ones.
Article Synopsis
- Researchers established epiblast-derived pluripotent stem cells (bEpiSCs) from cattle to improve agricultural biotechnology, addressing challenges in embryonic epiblast development and stem cell self-renewal signaling.
- Using modified single-cell transcription sequencing, they monitored gene expression during six key stages of bovine embryonic development and discovered similarities with pigs, which aided in successful bEpiSC generation.
- The resulting bEpiSCs showed stable expression of pluripotency genes, maintained growth for over 112 passages, and demonstrated potential for various applications, including cultured meat production, gene editing, and animal breeding.
Traditional measurement methods often rely on manual operations, which are not only inefficient but also cause stress to cattle, affecting animal welfare. Currently, non-contact cattle dimension measurement usually involves the use of multi-view images combined with point cloud or 3D reconstruction technologies, which are costly and less flexible in actual farming environments. To address this, this study proposes an automated cattle dimension measurement method based on an improved keypoint detection model combined with unilateral depth imaging.
View Article and Find Full Text PDFIn the current study, we explored the relationship between melatonin and lactose synthesis in and conditions. We found that long-term melatonin feeding to the dairy cows significantly reduced the milk lactose content in a dose dependent manner. This lactose reduction was not associated with a negative energy balance, since melatonin treatment did not alter the fat, glucose, or protein metabolisms of the cows.
View Article and Find Full Text PDFCryptosporidium parvum is a major zoonotic pathogen responsible for outbreaks of severe diarrhoea in humans and calves. Almost all investigations of cryptosporidiosis outbreaks caused by C. parvum have focused on its IIa subtype family in industrialized nations.
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