The rapid evolution of 3D technology in recent years has brought about significant change the field agriculture, including precision livestock management. From geometry information, weight and characteristics body parts Korean cattle can be analyzed to improve cow growth. In this paper, a system cameras is built synchronously capture data then reconstruct mesh representation. general, non-rigid objects, synchronized calibrated, each camera are transformed global coordinates. However, when...

Objective: To investigate genetic correlation between calving ease (CE) and gestation length (GL) traits of Korean Holstein cattle to understand structures these two their potential implications.Methods: Records progenies from first parity (P1, N=117,921) second (P2, N=141,104) Holsteins cows were used for analysis.All phenotypes (CE GL) considered as calf traits.The CE was an ordered categorical trait.It scored 1 (normal calving) 4 (difficult calving).GL observations restricted 260 305...

The study aimed to investigate the genetic parameters of production and reproduction traits Korean Duroc, Landrace, Yorkshire pigs. Three traits, namely average daily gain (ADG), age at 105 kg body weight (DAYS105) backfat thickness (BFT), three first farrowing (AFF), total number piglets born (TNB) alive (NBA), were analyzed. dataset was based on first-parity gilts only. However, comprised pigs both sexes. Genetic estimated from individual datasets using a multiple-trait animal model in...

Live weight monitoring is an important step in Hanwoo (Korean cow) livestock farming. Direct and indirect methods are two available approaches for measuring live of cows husbandry. Recently, thanks to the advances sensor technology, data processing, Machine Learning algorithms, measurement has been become more popular. This study was conducted explore evaluate feasibility machine learning algorithms estimating body cow using ten measurements as input features. Various supervised including...

This paper introduces an approach to the automated measurement and analysis of dairy cows using 3D point cloud technology. The integration advanced sensing techniques enables collection non-intrusive, precise data, facilitating comprehensive monitoring key parameters related health, well-being, productivity cows. proposed system employs imaging sensors capture detailed information about various parts cows, generating accurate, high-resolution clouds. A robust algorithm has been developed...

Genetic parameters associated with yearling weight, carcass traits, and primal-cut yields of male Hanwoo cattle were investigated using univariate bivariate animal models. The mean weight (YWT), (CWT), longissimus muscle area (LMA), backfat thickness (BFT), marbling score (MS) 352.47 ± 0.40 kg, 337.39 0.64 78.28 0.13 cm2, 8.45 0.05 mm, 3.25 0.03, respectively. Total yield (TPC) was 78.95 0.10% CWT, which 42.3% contributed by the forequarters (chuck, CHK; shoulder, SLD; ribs, RIB; brisket...

The study was conducted to analyze the genetic parameters of somatic cell score (SCS) Holstein cows, which is an important indicator udder health. Test-day records counts (SCC) 305-day lactation design from first fifth lactations were collected on Holsteins in Korea during 2000 2012. Records animals within 18 42 months, 30 54 66 78 and 90 months age at first, second, third, fourth parities analyzed, respectively. Somatic scores calculated, adjusted for production stages by Wilmink's...

Genomic selection (GS) is becoming popular in animals' genetic development. We, therefore, investigated the single-step genomic best linear unbiased prediction (ssGBLUP) as tool for GS, and compared its efficacy with traditional pedigree BLUP (pedBLUP) method.A total of 9,952 males born between 1997 2018 under Hanwoo proven-bull program was studied. We analyzed body weight at 12 months carcass (kg), backfat thickness, eye muscle area, marbling score traits. About 7,387 bulls were genotyped...

Objective The objective of this study was to investigate the genetic components daily milk yield and re-rank bulls in South Korea by estimated breeding value (EBV) under heat stress using temperature-humidity index (THI). Methods This conducted 125,312 monthly test-day records, collected from January 2000 February 2017 for 19,889 Holstein cows 647 farms Korea. Milk production data were two agencies, Dairy Cattle Genetic Improvement Center Animal Association, meteorological obtained 41...

Calving ease (CE) is a complex reproductive trait of economic importance in dairy cattle. This study was aimed to investigate the genetic merits CE for Holsteins Korea.A total 297,614 field records CE, from 2000 2015, first parity Holstein heifers were recorded initially. After necessary data pruning such as age at calving (18 42 mo), gestation length, and presence sire information, final datasets consisted 147,526 132,080 service (SCE) daughter (DCE) evaluations, respectively. The...

Purpose – This paper holds the purpose to investigate impact of ethical leadership and civility on organizational commitment also explore mediating role work engagement in relationship. Design/methodology/approach With questionnaire survey, current uses a sample 340 employees from manufacturing sector Lahore Pakistan. To test hypotheses, analysis was accomplished by using Statistical Package for Social Science Software, through confirmatory factor regression analysis. Findings The results...

The objective of this study was to compare the effects body weight growth adjustment methods on genetic parameters and tissue among three pig breeds. Data collected 101,820 Landrace, 281,411 Yorkshire, 78,068 Duroc pigs, born in Korean swine breeder farms since 2000, were analyzed. Records included weights test day amplitude (A)-mode ultrasound carcass measures backfat thickness (BF), eye muscle area (EMA), retail cut percentage (RCP). Days 90 kg (DAYS90), through an age based at day,...

Understanding animals’ genetic potential for carcass traits is the key to improvements in any beef cattle. In this study, we investigated merits of using Hanwoo males raised a 30-month production system (PROD30). We achieved dataset comprising 6092 born between 2005 and 2017 measures four (carcass weight, CWT; eye muscle area, EMA; backfat thickness, BFT; marbling score, MS). Genetic parameters were estimated multiple-trait animal model through AIREMLF90 program. According model, h2 CWT,...

Water reservoirs are facing universal sedimentation problems worldwide. Land covers, whether natural or manmade, eventually change, and the vegetation cover rainfall have a great effect on sediment load. Traditional techniques for analysing this problem time-consuming spatially limited. Remote sensing (RS) provides convenient way to observe land changes, geographic information system (GIS) tools analysis. This study demonstrates GIS-based methodology calculating impact of load using remotely...

Objective The growth, carcass and retail cut yield records on 1,428 Hanwoo steers obtained through progeny testing were analyzed in this study, their heritability genetic relationships among the traits estimated using animal models. Methods Two different models compared study. Each model was fitted for fixed class effects, date of slaughter batch test live measurement traits, a choice covariates (carcass weight Model 1 or backfat thickness 2) traits. Results differences body composition...

Three-dimensional point cloud generation systems from scanning data of a moving camera provide extra information about an object in addition to color. They give access various prospective study fields for researchers. With applications animal husbandry, we can analyze the characteristics body parts dairy cow improve its fertility and milk production efficiency. However, depth image stereo data, previous solutions using traditional matching algorithms have several drawbacks, such as...

This study presents a novel approach for automating the body condition scoring of dairy cows, leveraging advancements in 3D imaging technology and deep neural networks. The primary objective was to design implement system capable accurately efficiently assessing critical metric livestock management optimizing health productivity. To achieve this, camera employed capture detailed point cloud data, reconstructing three-dimensional morphology individual cows. obtained data were then fed into...

Abstract Hanwoo is one of the indigenous cattle breeds in South Korea, and genetic evaluation at national level conducted using custom Illumina SNP arrays. Accurate gender assignment essential breeding programs for livestock species. In this study, we described a method single nucleotide polymorphism (SNP) array data to predict logistic regression model. We analyzed set 958 SNPs, with 947 located on X chromosome 11 Y chromosome, focusing heterozygosity rates from missing SNPs. Using training...

Abstract Feed efficiency is an important economic trait in beef cattle production, and improving feed can reduce production costs environmental impact. Residual intake (RFI) a useful measure of individual efficiency, representing the difference between actual animal its predicted based on body weight (BW) growth. This study aimed to investigate analyze RFI Hanwoo improve efficiency. Data were collected from 120 steers (9 11 mo old) six different test stations across country. Individual daily...

We investigated genetic parameters of calving ease (CE) using several animal models in Korean Holstein and searched for suitable routine evaluation CE.

Accurate weight measurement is pivotal for monitoring the growth and well-being of cattle. However, conventional weighing process, which involves physically placing cattle on scales, labor-intensive distressing animals. Hence, development automated prediction techniques assumes critical significance. This study proposes a approach Korean using 3D segmentation-based feature extraction regression machine learning from incomplete shapes acquired real farm environments. In initial phase, we...

The objective of the present study was to determine best model describe and quantify changes in live body weight, height at withers, rump, length chest girth Holstein cows raised under Korean feeding conditions for 50 months. five standard growth models namely polynomial linear regression models, variables on first second-order ages days (model 1) age covariates from third-order 2) as well non-linear were fitted evaluated representing pattern circumstances. Nonlinear three exponential curve...