Article
Veterinary Sciences
Yan Huang, Jing Wen, Yezi Kong, Chenxu Zhao, Siqi Liu, Yaoquan Liu, Lan Li, Jiaqi Yang, Xiaoyan Zhu, Baoyu Zhao, Binyun Cao, Jianguo Wang
Summary: The goats with SCHK and SCHC showed a more dramatic decline in body condition scores and a significant decrease in milk yield post-kidding compared to healthy goats. NEFA levels peaked at parturition in SCHK and SCHC groups, while MDA concentration increased in both groups during the periparturient period. H2O2 concentration decreased in SCHK and SCHC goats from 2-weeks antepartum to 1-week post-kidding, and T-AOC and SOD levels decreased at 1-week antepartum in both groups. GSH-Px level increased in SCHK and SCHC goats during early lactation.
BMC VETERINARY RESEARCH
(2021)
Article
Agriculture, Dairy & Animal Science
R. Couto Serrenho, M. Williamson, O. Berke, S. J. LeBlanc, T. J. DeVries, B. W. McBride, T. F. Duffield
Summary: Ketosis in dairy cattle is primarily diagnosed based on the concentrations of ketone bodies in the blood, milk, or urine. Urine testing is more sensitive than milk testing, but both urine and milk testing diagnose ketotic cows approximately 2 days later than blood testing.
JOURNAL OF DAIRY SCIENCE
(2022)
Article
Agriculture, Dairy & Animal Science
Davi Pinheiro Teixeira, Raphael Bermal Costa, Gregorio Miguel Ferreira de Camargo
Summary: Cow milk containing A1 beta-casein may cause gastrointestinal disorders and abdominal pain, while A2 milk, which contains A2 beta-casein, does not. This study found that Guzerat cattle have a relatively high frequency of the A2A2 genotype and A2 allele, indicating their potential for A2 milk production.
ANIMAL BIOTECHNOLOGY
(2023)
Review
Agronomy
Yulin Ma, Muhammad Zahoor Khan, Jianxin Xiao, Gibson Maswayi Alugongo, Xu Chen, Tianyu Chen, Shuai Liu, Zhiyuan He, Jingjun Wang, Muhammad Kamal Shah, Zhijun Cao
Summary: Increasing milk production is a key concern in animal production, but traditional breeding has limited achievements in this area. Identifying candidate genes associated with milk production traits can improve the accuracy of animal selection.
Article
Agriculture, Dairy & Animal Science
Menghua Zhang, Hanpeng Luo, Lei Xu, Yuangang Shi, Jinghang Zhou, Dan Wang, Xiaoxue Zhang, Xixia Huang, Yachun Wang
Summary: This study compared the reliability of different methods and models for breeding value estimation, including pedigree-based best linear unbiased prediction (PBLUP) and single-step genomic best linear unbiased prediction (ssGBLUP), single-trait and multitrait models, and restricted maximum likelihood (REML) and Bayesian methods. The results showed that the ssGBLUP calculation results of the multitrait models obtained using the REML and Bayesian methods were better than those of other strategies. The genetic evaluation of the multitrait model is better than that of the single-trait model, and genomic selection can be applied to small population varieties to improve the reliability of the genomic estimated breeding value.
Article
Agriculture, Dairy & Animal Science
Helen Schneider, Johannes Heise, Jens Tetens, Georg Thaller, Robin Wellmann, Joern Bennewitz
Summary: This study aimed to analyze the additive and dominance genetic variance components and their effects on health traits and milk production traits. The contribution of dominance variance to phenotypic variance was low for all traits, but larger for health traits, encouraging further studies on QTL discovery based on their additive and dominance effects.
JOURNAL OF ANIMAL BREEDING AND GENETICS
(2023)
Article
Genetics & Heredity
Paula Korkuc, Danny Arends, Katharina May, Sven Koenig, Gudrun A. Brockmann
Summary: A genome-wide association analysis of German Black Pied cattle identified SNPs affecting milk production traits, with significant effects found on chromosomes 1, 6, and 20. The study confirmed that not all detected SNPs are definitive, but the results can provide a basis for genetic improvement of DSN cattle.
FRONTIERS IN GENETICS
(2021)
Article
Agriculture, Dairy & Animal Science
Carlos A. Gomez, Melisa Fernandez, Nestor Franco, Rudi Cueva
Summary: The effect of two different formulations of rbST on milk yield and body condition of dairy cattle was compared in this study. The results showed that the application of VEL-rbST significantly increased milk production in both primiparous and multiparous cows. However, differences in milk production and economic return were observed between the rbST formulations during the injection cycles.
TROPICAL ANIMAL HEALTH AND PRODUCTION
(2022)
Review
Veterinary Sciences
L. Papinchak, S. Paudyal, J. Pineiro
Summary: Self-locking feed stanchions provide convenience and save time in handling cattle. Extended lock-up time can have detrimental effects on dairy cow performance, and measures should be taken to minimize restraint time. This is an important issue that needs attention in the dairy industry.
VETERINARY QUARTERLY
(2022)
Review
Agronomy
Robert Barbour, Richard H. Young, J. Michael Wilkinson
Summary: Grassland in the UK accounts for a significant proportion of agricultural land, and despite doubts, it plays a crucial role in providing human-edible protein through cattle and sheep consumption. This protein contributes 45% to the total animal protein produced in the UK and meets one-third of the recommended daily protein intake for adults.
Article
Agriculture, Dairy & Animal Science
Z. Rodriguez, E. Shepley, M. I. Endres, G. Cramer, L. S. Caixeta
Summary: This retrospective cohort study evaluates the effects of the timing of hyperketonemia (HYK) diagnosis during early lactation on milk yield, composition, reproductive performance, and herd removal. The results show that HYK diagnosed during the first week of lactation is associated with negative performance outcomes, while no association is found for HYK diagnosed during the second week.
JOURNAL OF DAIRY SCIENCE
(2022)
Article
Agriculture, Dairy & Animal Science
Ryan S. Pralle, Joel D. Amdall, Robert H. Fourdraine, Garrett R. Oetzel, Heather M. White
Summary: The transition to lactation period in dairy cows poses metabolic challenges, with hyperketonemia being a common disorder associated with negative energy balance, comorbidity risks, and decreased milk production. Analysis of dairy herd improvement data from the Midwest region in the US identified risk factors for hyperketonemia and found that cows predicted to have hyperketonemia exhibited poorer production outcomes, including lower milk yield and protein but higher milk fat and somatic cell count. This study highlights the importance of continued efforts to reduce the prevalence of hyperketonemia in dairy cows.
Article
Multidisciplinary Sciences
Destaw Worku, Gopal Gowane, Rani Alex, Pooja Joshi, Archana Verma
Summary: The present study aimed to identify the SNP of bovine MASP2 and SIRT1 genes and investigate their effects on milk production traits in Sahiwal dairy cattle. The results showed that three SNPs were significantly associated with all milk yield traits. The heritability estimates were low, but higher for first parity, indicating the consistency and reliability of the traits during the first lactation period. Therefore, selecting based on first lactation 305dMY would be the optimal strategy for improving Sahiwal cattle.
Article
Agriculture, Dairy & Animal Science
C. R. Seely, K. D. Bach, D. M. Barbano, J. A. A. McArt
Summary: Estimating milk constituents using Fourier-transform mid-infrared (FTIR) analysis is a useful tool for monitoring energy deficit in early-lactation dairy cows. This study investigated the diurnal variation in milk fatty acids (FAs) and the association between hyperketonemia and FTIR estimates of milk FA. The results suggest that FTIR estimates of milk FA can provide insights into the energy status of early-lactation cows, and diurnal variation should be considered when analyzing absolute concentrations and yields of milk FA.
Article
Agriculture, Dairy & Animal Science
Fangyu Li, Cuicui Cai, Kaixing Qu, Jianyong Liu, Yutang Jia, Quratulain Hanif, Ningbo Chen, Jicai Zhang, Hong Chen, Bizhi Huang, Chuzhao Lei
Summary: Cattle production traits, especially milk traits, are important to human life. The DGAT1 gene variant K232A has a significant impact on milk fat content and yield in Chinese cattle breeds, showing a distinct geographical difference between northern and southern groups. The southern cattle group tends to have higher milk fat content compared to the northern group.
ANIMAL BIOTECHNOLOGY
(2021)
Article
Chemistry, Applied
M. Franzoi, A. Costa, A. Goi, M. Penasa, M. De Marchi
Summary: The study demonstrated the effectiveness of visible-near infrared spectroscopy coupled with simulated annealing PLS regression in predicting immunoglobulin fractions of bovine colostrum. The model developed using the calibration dataset showed improved accuracy in validation, particularly in quantifying IgG.
Article
Food Science & Technology
Vania Vigolo, Marco Franzoi, Mauro Penasa, Massimo De Marchi
Summary: The concentration of beta-casein B is positively correlated with protein, casein, and fat content in milk. Higher concentrations of beta-casein A1 and B are associated with faster rennet coagulation time and firmer curd, as well as higher levels of calcium and phosphorus compared to the A2 variant.
INTERNATIONAL DAIRY JOURNAL
(2022)
Article
Agriculture, Dairy & Animal Science
T. Bobbo, G. Meoni, G. Niero, L. Tenori, C. Luchinat, M. Cassandro, M. Penasa
Summary: Nuclear magnetic resonance spectroscopy was used to study the relationship between milk metabolome and udder quarter health status in dairy cows. Analysis showed that each cow could be identified based on its milk metabolomic fingerprint, and quarter milk samples of cows defined as cases were found to have mostly coagulase-negative staphylococci. Further analysis on metabolites levels indicated potential novel indicators of udder health status and milk quality.
JOURNAL OF DAIRY SCIENCE
(2022)
Article
Chemistry, Applied
Carmen L. Manuelian, Matteo Ghetti, Claudia De Lorenzi, Marta Pozza, Marco Franzoi, Massimo De Marchi
Summary: This study evaluated the feasibility of using a low-cost pocket-sized near-infrared spectrometer to predict cheese composition, achieving good results for fatty acid and nitrogen content. Although mineral content prediction was less accurate, the study showed the potential of miniaturized NIR instruments in the dairy industry.
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
(2022)
Article
Agriculture, Dairy & Animal Science
C. L. Manuelian, V. Vigolo, S. Burbi, F. Righi, M. Simoni, M. De Marchi
Summary: This study compared organic and conventional milk from farms in Northern Italy, finding that overall milk composition did not significantly differ between the two farming systems. Differences were observed in protein content and somatic cell score, with organic milk having lower protein content and higher somatic cell score compared to conventional milk. Factors such as breed and diet ingredients were found to influence milk composition.
JOURNAL OF DAIRY SCIENCE
(2022)
Article
Agriculture, Dairy & Animal Science
Chiara Rizzi, Filippo Cendron, Mauro Penasa, Martino Cassandro
Summary: This study compared yield performance and egg physical characteristics of eight autochthonous chicken breeds in the Veneto region of Italy. The results showed differences in yield and egg quality among the breeds, allowing consumers to choose eggs of different qualities based on their cooking purposes.
Article
Agriculture, Dairy & Animal Science
Filippo Cendron, Sarah Curro, Chiara Rizzi, Mauro Penasa, Martino Cassandro
Summary: This study characterized the composition of eggs from various local chicken breeds in Italy and developed VIS-NIR models to predict their composition. The results showed differences in moisture content, protein content, lipid content, and cholesterol content among different breeds. The prediction models performed better on freeze-dried samples compared to fresh samples. These findings demonstrate the potential of infrared technology in predicting the composition of eggs from local chicken breeds.
Article
Agriculture, Dairy & Animal Science
C. L. Manuelian, M. Pozza, M. Franzoi, F. Righi, U. Schmutz, M. De Marchi
Summary: This study compared the composition, minerals, and fatty acid profile of organic and conventional Italian cheeses. The results showed minimal differences in chemical composition between organic and conventional cheeses, regardless of the type considered. Asiago PDO fresco exhibited the fewest differences between organic and conventional varieties.
JOURNAL OF DAIRY SCIENCE
(2023)
Article
Genetics & Heredity
Francesco Perini, Filippo Cendron, Zhou Wu, Natalia Sevane, Zhiqiang Li, Chunhua Huang, Jacqueline Smith, Emiliano Lasagna, Martino Cassandro, Mauro Penasa
Summary: This study characterized the sequence variations associated with the dwarf phenotype in three Italian chicken breeds and investigated the genes associated with their phenotype. The results showed significant SNPs associated with dwarfism in the MERI and MUG breeds, which shared a candidate genomic region on chromosome 1. However, the PPP breed did not show any association with this region.
Article
Microbiology
Silvia Magro, Elena Visentin, Elena Chiarin, Filippo Cendron, Mauro Penasa, Angela Costa, Martino Cassandro, Massimo De Marchi
Summary: The prevalence of pathogens in milk from apparently healthy cows in Italian dairy farms was evaluated using qPCR. The most commonly detected pathogens were CNS and Streptococcus uberis. Therefore, pathogen-specific interventions are needed to improve the udder health of dairy cows.
Article
Agriculture, Dairy & Animal Science
Carmen L. Manuelian, Sophie Valleix, Heloise Bugaut, Birgit Fuerst-Waltl, Luciana da Costa, Sara Burbi, Ulrich Schmutz, Adrian Evans, Nikolaos Katsoulas, Sofia Faliagka, Uygun Aksoy, Ozge Cicekli, Danuta Drozdz, Krystyna Malinska, Lindsay Whistance, Marion Johnson, Lucas Knebl, Federico Righi, Massimo De Marchi
Summary: This study investigates the perceptions of organic livestock producers in Mediterranean and North/Western European countries. The findings reveal that finding information on alternatives to antiparasitics and antibiotics is more difficult than finding information on bedding materials. The study identifies feeding/nutrition, animal health, and welfare as the most relevant topics for organic farmers. Furthermore, the research shows that organic farmers still rely on conventional treatments.
ITALIAN JOURNAL OF ANIMAL SCIENCE
(2023)
Meeting Abstract
Agriculture, Dairy & Animal Science
C. L. Manuelian, V. Vigolo, M. Rovai, M. De Marchi
JOURNAL OF DAIRY SCIENCE
(2022)
Article
Agriculture, Dairy & Animal Science
Silvia Magro, Angela Costa, Massimo De Marchi, Carmen L. Manuelian
Summary: This study compared the milk yield and composition of Murciano-Granadina (MG) goats with Saanen (SA) and Alpine (AL) goats under the same farming system. The results showed that despite lower milk yield, MG goats produced high-quality milk and were less sensitive to season, making them suitable for the current Italian farming context.
ITALIAN JOURNAL OF ANIMAL SCIENCE
(2022)
Article
Agriculture, Dairy & Animal Science
Matteo Santinello, Massimo De Marchi, Alessia Diana, Nicola Rampado, Jean-Francois Hocquette, Mauro Penasa
Summary: This study evaluated the impact of commingling Charolais cattle in France on antibiotic use and animal performances in Italy. Animals subjected to commingling procedures had lighter carcass weight, lower average daily carcass gain, and higher treatment incidence.
ITALIAN JOURNAL OF ANIMAL SCIENCE
(2022)
Article
Agriculture, Dairy & Animal Science
Marica Simoni, Arianna Goi, Erika Pellattiero, Alexandros Mavrommatis, Eleni Tsiplakou, Federico Righi, Massimo De Marchi, Carmen L. Manuelian
Summary: This study aimed to evaluate the effects of a commercial supplement containing VitE, organic Se, yeast derivate, and S. baicalensis extract on feed intake, health and oxidative status, and growth performances of beef cattle. The results showed that this dietary inclusion did not have any detrimental effects on feed digestibility and cattle performance.
ARCHIVES ANIMAL BREEDING
(2022)