Chunpeng James Chen
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View article: An automated approach for counting ants in densely populated images and gaining insight into ant foraging behavior
An automated approach for counting ants in densely populated images and gaining insight into ant foraging behavior Open
Manual tallies of ant activity, often spanning tens of thousands of frames per experiment, are slow, error-prone, and rarely scalable. We introduce a hardware-agnostic computer-vision workflow that pairs state-of-the-art detectors (YOLOv11…
View article: Evaluating model generalization for cow detection in free-stall barn settings: Insights from the COw LOcalization (COLO) dataset
Evaluating model generalization for cow detection in free-stall barn settings: Insights from the COw LOcalization (COLO) dataset Open
Precision livestock farming (PLF) increasingly relies on advanced object localization techniques to monitor livestock health and optimize resource management. This study investigates the generalization capabilities of object detection mode…
View article: Spectral sensing for forage nutritive value determination of cool season, grass pastures during the grazing season
Spectral sensing for forage nutritive value determination of cool season, grass pastures during the grazing season Open
Management surveys suggest that few cow-calf producers in the Southeastern United States submit forage samples for laboratory analysis due to time and labor constraints. Although tools like near infrared reflectance spectroscopy have helpe…
View article: Global genotype by environment prediction competition reveals that diverse modeling strategies can deliver satisfactory maize yield estimates
Global genotype by environment prediction competition reveals that diverse modeling strategies can deliver satisfactory maize yield estimates Open
Predicting phenotypes from a combination of genetic and environmental factors is a grand challenge of modern biology. Slight improvements in this area have the potential to save lives, improve food and fuel security, permit better care of …
View article: An independent validation reveals the potential to predict Hagberg–Perten falling number using spectrometers
An independent validation reveals the potential to predict Hagberg–Perten falling number using spectrometers Open
The Hagberg–Perten falling number (HFN) method is the international standard used to evaluate the damage to wheat ( Triticum aestivum ) grain quality due to preharvest sprouting (PHS) and late maturity alpha‐amylase (LMA). However, the HFN…
View article: Evaluation of walking activity data during pregnancy as an indicator of pregnancy loss in dairy cattle
Evaluation of walking activity data during pregnancy as an indicator of pregnancy loss in dairy cattle Open
A pregnancy loss or abortion can be assumed when a dairy cow that has been previously diagnosed pregnant shows signs of estrus. In herds using leg-based pedometers as a tool to detect cows in estrus, a sudden increase in walking activity (…
View article: Genome-wide association analysis of hyperspectral reflectance data to dissect growth-related traits genetic architecture in maize under inoculation with plant growth-promoting bacteria
Genome-wide association analysis of hyperspectral reflectance data to dissect growth-related traits genetic architecture in maize under inoculation with plant growth-promoting bacteria Open
Plant growth-promoting bacteria (PGPB) may be of use for increasing crop yield and plant resilience to biotic and abiotic stressors. Using hyperspectral reflectance data to assess growth-related traits may shed light on the underlying gene…
View article: VTag: a semi-supervised pipeline for tracking pig activity with a single top-view camera
VTag: a semi-supervised pipeline for tracking pig activity with a single top-view camera Open
Precision livestock farming has become an important research focus with the rising demand of meat production in the swine industry. Currently, the farming practice is widely conducted by the technology of computer vision (CV), which automa…
View article: XSim version 2: simulation of modern breeding programs
XSim version 2: simulation of modern breeding programs Open
Simulation can be an efficient approach to design, evaluate, and optimize breeding programs. In the era of modern agriculture, breeding programs can benefit from a simulator that integrates various sources of big data and accommodates stat…
View article: Harnessing Agronomics Through Genomics and Phenomics in Plant Breeding: A Review
Harnessing Agronomics Through Genomics and Phenomics in Plant Breeding: A Review Open
Plant breeding primarily focuses on improving conventional agronomic traits, e.g. yield, quality, and resistance to biotic and abiotic stress; however, genetic improvement methods are being rapidly enhanced through genomics and phenomics. …
View article: GWAS-Based Identification of New Loci for Milk Yield, Fat, and Protein in Holstein Cattle
GWAS-Based Identification of New Loci for Milk Yield, Fat, and Protein in Holstein Cattle Open
High-yield and high-quality of milk are the primary goals of dairy production. Understanding the genetic architecture underlying these milk-related traits is beneficial so that genetic variants can be targeted toward the genetic improvemen…
View article: Ten Genetic Loci Identified for Milk Yield, Fat, and Protein in Holstein Cattle
Ten Genetic Loci Identified for Milk Yield, Fat, and Protein in Holstein Cattle Open
High-yield and high-quality of milk are the primary goals of dairy production. Understanding the genetic architecture underlying these milk production traits is beneficial so that genetic variants can be targeted toward the genetic improve…
View article: GRID: A Python Package for Field Plot Phenotyping Using Aerial Images
GRID: A Python Package for Field Plot Phenotyping Using Aerial Images Open
Aerial imagery has the potential to advance high-throughput phenotyping for agricultural field experiments. This potential is currently limited by the difficulties of identifying pixels of interest (POI) and performing plot segmentation du…
View article: Genome-wide association study of milk and reproductive traits in dual-purpose Xinjiang Brown cattle
Genome-wide association study of milk and reproductive traits in dual-purpose Xinjiang Brown cattle Open
Background Dual-purpose cattle are more adaptive to environmental challenges than single-purpose dairy or beef cattle. Balance among milk, reproductive, and mastitis resistance traits in breeding programs is therefore more critical for dua…