Article
Agriculture, Dairy & Animal Science
Y. Y. Mu, W. P. Qi, T. Zhang, J. Y. Zhang, S. J. Mei, S. Y. Mao
Summary: This study investigated the changes in rumen fermentation and bacterial communities in cows with subacute ruminal acidosis (SARA) following rumen content transplantation (RCT). The results showed that nearly all rumen fermentation parameters returned to normal levels after 6 days of transplantation, regardless of RCT. Both the self-recipient (SR) and donor-recipient (DR) cows quickly rebuilt their rumen bacterial homeostasis within 4 days after RCT, with the DR group displaying a higher level of bacterial community diversity.
JOURNAL OF DAIRY SCIENCE
(2021)
Article
Microbiology
Boxue Si, Kaizhen Liu, Guoxin Huang, Meiqing Chen, Jiyong Yang, Xufang Wu, Ning Li, Wenhao Tang, Shengguo Zhao, Nan Zheng, Yangdong Zhang, Jiaqi Wang
Summary: The variation of milk fat is closely related to rumen bacteria, and certain rumen bacteria have a potential impact on the deposition of specific fatty acids in raw milk.
FRONTIERS IN MICROBIOLOGY
(2023)
Article
Microbiology
Jenna R. Williamson, Todd R. Callaway, Jeferson M. Lourenco, Valerie E. Ryman
Summary: This study aimed to characterize similarities between rumen, fecal, and milk microbiota simultaneously and investigate their associations with milk somatic cell count (SCC) and milk yield. The results demonstrated that rumen, fecal, and milk microbiota populations were distinct, with milk microbiota being the least diverse. Milk microbial populations from cows with low SCC showed a more evenly distributed microbiome compared to cows with high SCC values.
FRONTIERS IN MICROBIOLOGY
(2022)
Article
Microbiology
Miika Tapio, Daniel Fischer, Paivi Mantysaari, Ilma Tapio
Summary: Efficient feed utilization in dairy cows was evaluated based on rumen microbial data in this study. It was found that taxonomic variation in the microbial community can predict feed efficiency, and efficient animals had more highly interacting microbes and consortia. Furthermore, differences in metabolic pathways between efficient and inefficient rumen were observed, with the efficient group emphasizing bacterial environmental sensing and motility.
Article
Microbiology
Shuo Wang, Fanlin Kong, Jingjing Liu, Jianmin Xia, Wen Du, Shengli Li, Wei Wang
Summary: Simple indigestion in cows causes significant economic losses in the dairy industry. This study examined rumen fluid samples from cows with simple indigestion and healthy cows, revealing that the former exhibited lower milk yield, reduced rumination duration, and weakened rumen contraction. However, there was no significant difference in microbiota alpha-diversity. Analysis identified distinct bacteria in the rumen of cows with indigestion, while different bacteria dominated the rumen of healthy cows. These findings provide insights into the prevention and treatment of simple indigestion in dairy cows.
Article
Multidisciplinary Sciences
Lais L. da Cunha, Hugo F. Monteiro, Caio C. Figueiredo, Igor F. Canisso, Rodrigo C. Bicalho, Felipe C. Cardoso, Bart C. Weimer, Fabio S. Lima
Summary: Comparing the rumen contents collected by oro-esophageal tubing and rumen cannula, it was found that there were slight differences in the microbiome and metabolome. However, the overall microbiome composition and diversity were similar between the two methods. This suggests that oro-esophageal sampling can be used as a proxy to study the rumen microbiome compared to the traditional rumen cannula technique.
SCIENTIFIC REPORTS
(2023)
Article
Microbiology
Xiaoyu Hu, Shuang Li, Ruiying Mu, Jian Guo, Caijun Zhao, Yongguo Cao, Naisheng Zhang, Yunhe Fu
Summary: Mastitis in dairy cows is commonly caused by local infection, and our study found that rumen microbiota abundance also plays an important role in its development. The elevated abundance of Stenotrophomonas in the rumen was closely associated with the development of mastitis. This study provides a foundation for novel therapeutic strategies that target the rumen microbiota in cow mastitis.
MICROBIOLOGY SPECTRUM
(2022)
Article
Agriculture, Dairy & Animal Science
Jiamei Song, Yuansheng Ma, Hengwei Zhang, Lijun Wang, Yonggen Zhang, Guangning Zhang
Summary: Fermented total mixed ration (FTMR) can improve the microbiota diversity and increase the concentrations of rumen acetate and NH3-N in dairy cows. It can also enhance lipid and amino acid metabolism. Therefore, FTMR has a positive impact on ruminal fermentation and microbiome in dairy cows.
Article
Multidisciplinary Sciences
Joao Albuquerque, Ana R. Neves, Ingrid Van Dorpe, Antonio J. M. Fonseca, Ana R. J. Cabrita, Salette Reis
Summary: This study investigated the potential of rumen-resistant nanoparticles as a lysine delivery system for dairy cattle supplementation. The results showed that these nanoparticles had stability in the digestive tract but degraded in the bloodstream, releasing lysine for animal use. The purity of lipids and production method did not significantly affect the nanoparticles' properties or resistance to rumen degradation. Additionally, the nanoparticles retained their properties after storage and could be produced on a large scale via pilot production.
SCIENTIFIC REPORTS
(2023)
Article
Agriculture, Dairy & Animal Science
Yang Zhou, Wei Jin, Fei Xie, Shengyong Mao, Yanfen Cheng, Weiyun Zhu
Summary: The study investigated the role of Methanomassiliicoccales (Mmc) in trimethylamine (TMA) metabolism in the rumen of dairy cows through in vitro and in vivo trials. Results showed that Mmc played an important role in eliminating TMA in the rumen, leading to high levels of TMA in the blood circulation of dairy cows.
Article
Biochemistry & Molecular Biology
Xue'er Du, Zhijie Cui, Rui Zhang, Keliang Zhao, Lamei Wang, Junhu Yao, Shimin Liu, Chuanjiang Cai, Yangchun Cao
Summary: This study investigated the effects of rumen-protected choline (RPC) and rumen-protected nicotinamide (RPM) on liver metabolic function in periparturient dairy cows using transcriptome analysis. The results showed significant differences in the expression of 11,023 genes between the RPC and RPM groups, with 1123 differentially expressed genes mainly related to fat metabolism, oxidative stress, and inflammatory pathways. Additionally, compared to the NAM group, the CHO group exhibited significantly increased expression levels of FGF21, CYP26A1, SLC13A5, SLCO1B3, FBP2, MARS1, and CDH11 genes. These findings suggest that RPC plays a crucial role in regulating liver metabolism, particularly in fatty acid synthesis and metabolism as well as glucose metabolism, while RPM is more involved in biological processes such as the TCA cycle, ATP generation, and inflammatory signaling.
Article
Genetics & Heredity
Jian Guo, Ruiying Mu, Shuang Li, Naisheng Zhang, Yunhe Fu, Xiaoyu Hu
Summary: This study explored the characteristics of ruminal microbiota in cows with laminitis, finding significantly increased levels of LPS and lactic acid in the laminitis group. Higher abundances of certain bacteria were also detected in the rumen fluid of laminitis cows. These differences in rumen microbiota may contribute to the development and risks of laminitis in bovines.
Article
Agriculture, Dairy & Animal Science
A. E. Fleming, K. Garrett, K. Froehlich, M. R. Beck, M. C. Mangwe, R. H. Bryant, G. Edwards, P. Gregorini
Summary: The results of the experiment show that supplementing grazing dairy cows with fodder beet can increase rumination and chewing intensity to counteract the reduced degradation of perennial ryegrass due to low ruminal pH.
JOURNAL OF DAIRY SCIENCE
(2021)
Article
Agriculture, Dairy & Animal Science
Chunbo Wei, Tao He, Xuanchen Wan, Siwen Liu, Yibo Dong, Yongli Qu
Summary: This paper conducts a meta-analysis to evaluate the influence of rumen-protected methionine (RPM) on milk yield and milk compositions of dairy cows. The results indicate that adding RPM can improve milk fat and protein concentrations, but does not significantly affect milk yield and lactose concentration. The effects are more pronounced in high-protein feed.
Article
Agriculture, Dairy & Animal Science
Yuxuan Wang, Jianzhao Zhou, Xinjie Wang, Qingyuan Yu, Yukun Sun, Yang Li, Yonggen Zhang, Weizheng Shen, Xiaoli Wei
Summary: A prediction model for rumen fermentation parameters using in vitro techniques and machine learning is established. The model shows better prediction results for rumen methane, acetic acid, and propionic acid. It can simulate the variation of methane and VFAs in relation to the dietary fiber content.
Article
Veterinary Sciences
Verena Maria Herb, Angelika Url, Alexander Tichy, Barbara Nell
Summary: This study established a semi-quantitative method for assessing the presence of IgG in equine, canine, and feline corneas. The results showed significant medium signal intensity in the stroma, with variable immunosignal in the epithelium, DM, and endothelium. Further research is needed to evaluate IgG presence in diseased corneas.
VETERINARY OPHTHALMOLOGY
(2022)
Article
Public, Environmental & Occupational Health
S. K. Finsterwalder, I Loncaric, A. Cabal, M. P. Szostak, L. M. Barf, M. Marz, F. Allerberger, I. A. Burgener, A. Tichy, A. T. Fessler, S. Schwarz, S. Monecke, R. Ehricht, W. Ruppitsch, J. Spergser, F. Kuenzel
Summary: This study investigates whether dogs are carriers of resistant and/or virulent C. difficile strains. The results indicate that dogs may carry C. difficile strains that are both virulent and resistant to antibiotics.
ZOONOSES AND PUBLIC HEALTH
(2022)
Article
Agriculture, Dairy & Animal Science
Britta Vidoni, Masoud Aghapour, Sibylle Kneissl, Aldo Vezzoni, Michaela Gumpenberger, Harald Hechinger, Alexander Tichy, Barbara Bockstahler
Summary: Canine hip dysplasia, an important orthopedic disorder, involves factors like body weight, heredity, and growth. Early diagnosis can aid in planning preventive methods, and accurate screening methods improve detection. Evaluation of radiographic parameters among experienced observers showed high agreement for quantitative values, suggesting reliability and potential for increased accuracy when combined with clinical exams.
Article
Agriculture, Dairy & Animal Science
Danae Charalambous, Therese Strasser, Alexander Tichy, Barbara Bockstahler
Summary: Physical therapy and rehabilitation in veterinary medicine are becoming increasingly important, with studies showing significant changes in ground reaction forces and center of pressure in dogs walking over obstacles, which poses a challenge even for healthy adult dogs.
Article
Veterinary Sciences
Bianca Bieber, Bianca Reicher, Alexander Tichy, Barbara Bockstahler
Summary: This study investigated the effects of wearing dog boots on ground reaction forces (GRF) and center of pressure (COP) in dogs. It was found that certain configurations of the boots had significant impacts on GRF and COP parameters in dogs.
FRONTIERS IN VETERINARY SCIENCE
(2022)
Article
Agriculture, Dairy & Animal Science
Anna Weissenbacher, Alexander Tichy, Karl Weissenbacher, Barbara Bockstahler
Summary: The study aimed to evaluate the influence of two types of harness on the force distribution between the paws of guide dogs. The results showed that both types of harness had clear effects on impulse when used with a handle and under re-enactment of lead work. Additionally, the use of a Y-harness with handles shortened the stride length.
Article
Pathology
Janina Janssen, Anna Oevermann, Ingrid Walter, Alexander Tichy, Stefan Kummer, Gabriele Gradner
Summary: The high expression of OPN in canine meningioma was found to be independent of WHO grade and Ki-67 labeling index. However, OPN expression was significantly higher in WHO grade I samples compared with grade II samples, and significantly lower in meningioma samples that invaded surrounding tissues.
JOURNAL OF COMPARATIVE PATHOLOGY
(2023)
Article
Veterinary Sciences
Viktoria Brandstetter, Jarno M. M. Schmidt, Laurent Findji, Laura E. E. Selmic, Daniela Murgia, Carlos H. de Mello H. Souza, Lea M. M. Liehmann, Henry L'Eplattenier, Alexander Tichy, Simona Vincenti
Summary: This retrospective study on primary nonhematopoietic malignant liver tumors (PMLT) in cats found that hepatocellular carcinoma and bile duct carcinoma were the most common tumors. Liver lobectomy surgery was associated with prolonged survival times for cats with hepatocellular carcinoma.
VETERINARY AND COMPARATIVE ONCOLOGY
(2023)
Article
Veterinary Sciences
Victoria Zwiauer-Wolfbeisser, Stephan Handschuh, Alexander Tichy, Barbara Nell
Summary: This study used microCT technology to investigate the morphology and volume of Meibomian glands (MGs) in dogs before and after partial tarsal plate excision (PTPE), cryotherapy, and laser therapy. The results showed no significant changes in the length and number of MGs after the procedures. The average length of one MG was 2.60mm. No additional preparation, such as staining, was required for the specimens prior to scanning.
VETERINARY OPHTHALMOLOGY
(2023)
Article
Agriculture, Dairy & Animal Science
Masoud Aghapour, Barbara Bockstahler, Sibylle Kneissl, Aldo Vezzoni, Michaela Gumpenberger, Harald Hechinger, Alexander Tichy, Britta Vidoni
Summary: Hip laxity is a common orthopedic disorder in dogs and a main cause of canine hip dysplasia. Timely measures can be taken to prevent/delay the disease progression and reduce its prevalence. Effective treatment strategies can improve the welfare of dogs by reducing disease severity at older ages.
Article
Agriculture, Dairy & Animal Science
Johann Kofler, Michael Hoefler, Thomas Hartinger, Ezequias Castillo-Lopez, Johann Huber, Alexander Tichy, Nicole Reisinger, Qendrim Zebeli
Summary: This study investigated the impact of different levels of diet-induced subacute rumen acidosis (SARA) on claw health in 24 first-lactation Holstein cows during early lactation. Claw health was monitored through recording claw lesions and assessing locomotion scores at multiple time points. The severity of SARA was determined based on continuous pH measurements. The study found that a higher severity of SARA was associated with an increased lameness incidence, but no significant effect was observed on locomotion scores and claw lesion prevalence.
Article
Veterinary Sciences
Danae Charalambous, Christiane Lutonsky, Stefan Keider, Alexander Tichy, Barbara Bockstahler
Summary: This study investigated the changes in vertical ground reaction forces, paw pressure distribution, and center of pressure of Belgian Malinois during heelwork walking. The results showed significant changes in the forelimbs and hindlimbs during heelwork walking, including a decrease in vertical impulse and stance phase duration in the forelimbs, an increase in craniocaudal index and speed of center of pressure in the forelimbs, and an increase in vertical impulse in the hindlimbs. These changes should be further investigated for their impact on the musculoskeletal system using electromyography and kinematic analysis.
FRONTIERS IN VETERINARY SCIENCE
(2023)
Article
Veterinary Sciences
A. Frischengruber, J. Troxler, A. Tichy, B. Senft, C. Arhant
Summary: This study aimed to determine the prevalence of noise anxiety in dogs in Austria, as well as the type and duration of responses, treatment methods and their effectiveness, and the proportion of untreated dogs. The results showed that the majority of affected dogs remain untreated, and the most effective treatments include medication, compression shirts, deep relaxation by sound modules, and reducing visual stimuli.
WIENER TIERARZTLICHE MONATSSCHRIFT
(2022)
Article
Veterinary Sciences
K. Lichtmannsperger, K. Freudenthaler, B. Hinney, A. Joachim, A. Auer, T. Rumenapf, J. Spergserf, A. Tichy, T. Wittek
Summary: We evaluated the diagnostic performance of immunochromatographic point-of-care tests (POCT) for the detection of various pathogens in diarrheal calves. The POCT showed good performance in detecting rotavirus and Cryptosporidium parvum, but poor performance in detecting coronavirus and Clostridium perfringens. The sensitivity of the POCT for Giardia intestinalis was higher in thawed samples compared to fresh samples.
WIENER TIERARZTLICHE MONATSSCHRIFT
(2022)
Article
Veterinary Sciences
P. Paulsen, F. J. M. Smulders, E. Kukleci, A. Tichy
Summary: This study determined the bacterial numbers on the surfaces of the body cavities of 352 hunted roe deer and found that the time between evisceration and carcass processing has a major impact on bacterial contamination.
WIENER TIERARZTLICHE MONATSSCHRIFT
(2022)
