🎤 Oral
Reproduction in Dairy Cattle
2022
RD-26
Elevated Tail: Clinical Sign For The Early Diagnosis Of Vaginal Pathologies
Angel Revilla Ruiz et al.
Vicente González-Martín1. Universidad Complutense de Madrid, Madrid, Spain
Objectives: The present study assesses the usefulness of the sign of “elevated tail” as an indicator to detect in an easy and fast way, cows with vaginal pathologies. Our hypothesis was that selecting those pos
🎤 Oral
Reproduction in Dairy Cattle
2022
RD-27
Uterine Contractility Patterns Of Early Puerperal Hypocalcaemic Dairy Cows Without And With Fetal Membrane Retention
Arpad Csaba Bajcsy et al.
University of Veterinary Medicine Hannover, Foundation, Hannover, Clinic for Cattle, Germany
Objectives: Characteristics of the early postpartum uter- ine contractility based on the measurement of intrauterine pressure (IUP) changes in hypocalcaemic cows without and with retained placenta during the fi
🎤 Oral
Reproduction in Dairy Cattle
2022
RD-28
Novel Methods To Analyse Mucus. Use Of Ftir-Spectroscopy To Examine Bovine Cervical Vaginal Mucus
Ida Beate Løken et al.
Norwegian University of Life Scienses, Ås, Norway
Objective: Cervical vaginal mucus (CVM) has important functions related to reproduction and reproductive disease in cattle. To facilitate further study of CVM, an appropriate meth- od of storing and processing
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P03
Blood Lactate Concentration As A Diagnostic Tool For Survival Of Cow And Calf And Further Fertility After Caesarean Section With And Without Uterine Torsion
Doreen Zoller et al.
Clinic of Reproductive Medicine, Department of Farm Animals, Vetsuisse-Faculty University Zurich, Zurich, Switzerland
Objectives: In case of a uterine torsion, the rotation of the uterus leads to vascular congestion and low tissue perfusion. This can lead to edema, but also bleeding or even tissue ne- crosis, which in turn lea
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P04
Injectable Progesterone On Timed Artificial Insemination Protocols In Dairy Cows
Carlos Fernandes et al.
Alfenas/Minas Gerais, Brazil
Objectives: Low circulating progesterone (P4) concentra- tions before and after AI have been implicated as having a negative effect on conception rate, especially in high produc- ing dairy cows In addition, exp
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P05
The Association Between Bhb, Nefa And Glucose With Progesterone And Milk Yield Duting Postpartum In Jersey Cows
Scott Poock et al.
University of Missouri, Columbia MO, United States
this study was to determine the association between plasma concentration of beta-hydroxy-butyrate (BHB), non-esterified fatty acids (NEFA) and glucose at first week postpartum and plasma progesterone and milk y
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P06
Differences In Cervical Mucus Characteristics Between Repeat-Breeder And Fertile Cows. Preliminary Study
Sofía Lara Villar et al.
Luis A. Quintela1. Unit of Reproduction & Obstetrics, Department of Animal Pathology, Faculty of Veterinary Sciences, Universidade de Santiago de Compostela, Lugo, Spain
Objective: The aim of this study was to compare CM char- acteristics between fertile cows and cows with repeat-breeder syndrome to determine a potential involvement of CM in this syndrome. Materials and methods
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P07
Can Image Analysis Be Used To Predict Bovine Foetal Body Weight, Calving Time And Risk Of Dystocia?
Ciaran Feeney et al.
HerdEye, Roscommon, Republic of Ireland
Objectives: There is currently a growing interest in and research about prediction of calving time. However, most of this work does not focus on dystocia, which is of greater in- terest to farmers. The most com
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P08
An Evaluation Of Timing Of Ai With Frozen Sex-Sorted Semen In Lactating Dairy Cows In Pasture-Based Seasonal-Calving Herds
Evelyn Drake et al.
Stephen G. Moore1, Clio Maicas3, Andrew R. Cromie4, Federico Randi5, Patrick Lonergan3, Stephen T. Butler1. Teagasc, Animal and Grassland Research and Innovation Centre, Moorepark, Fermoy, Co. Cork, Republic of Ireland
Objectives: The objective was to use ovulation synchroni- zation with a PRID-Ovsynch protocol for timed artificial insem- ination (TAI), to evaluate the effect of timing of insemination (16 h or 22 h after the
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P09
Evaluation Of An Investigative Model In Dairy Herds With High Calf Perinatal Mortality Rates In Switzerland
Thomas Mock et al.
Campos4, Jürg Hüsler5, Brigitte Michel1, Irene M. Häfliger6, Cord Drögemüller6, Michèle Bodmer1, Gaby Hirsbrunner1. Clinic for Ruminants, Vetsuisse Faculty, University of Bern, Bern, Switzerland
Objectives: In Switzerland, farmers and practicing veteri- narians perceive an increasing rate of perinatal mortality (PM). However, only one study was carried out in Switzerland on PM, over a decade ago, which
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P10
Retrospective Evaluation Of The Incidence Of Later Embryo Death And Early Fetal Death In High Production Dairy Cows In The Canton Of Fribourg (Ch)
Giovanni Maria Gnemmi et al.
Cristina Maraboli2. Catholic University of Valencia, Valencia, Spain
Bovineve Internacional, Huesca, Spain; 3Humeco, Huesca, Spain. Introduction: Late embryonic death is a serious problem in the breeding of high production dairy cattle. Losing a ges- tation between 30-60 days of
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P11
Is Twin Pregnancy, Calving And Pregnancy Loss Predictable By Serum Pregnancy Specific Protein B Concentration (Pspb) 28-35 Days After Ai In Dairy Cows?
Zoltán Szelényi et al.
i- University of Veterinary Medicine, Clinic and Department of Obstetrics and Farm Animal Medicine, Hungary
Objectives: Double ovulation occurs more frequently in multiparous cows with high milk production than in primipa- rous cows and the rate of twin pregnancy/calving is worldwide increasing. Diagnosis of twin pre
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P12
Impact Of The Intramammary Infections On Reproductive Parameter In Cows
Jan Twardoń1 et al.
Wrocław University of Environmental and Life Sciences, Wrocław, Poland
Objectives: The mammary gland inflammation is the most common and the most expensive disease of dairy cows. It causes loss of milk production and its sanitary quality, as well as fertility problems. It is the c
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P13
Assessment Of Reproductive Performance Of Adamawa Gudali Cattle Using Methanol Leaves Extract Of Ficus Sur And Pgf2Α As Synchronizing Agent
Hassan Mohammed Mai et al.
Adama University, Yola, Nigeria.
Objectives: The primary factor affecting the profitability of animal breeding enterprise is reproduction and the most powerful tool at the breeder’s disposal to significantly impact reproductive performance is
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P14
Positive Long-Term Effect Of Increased Days Open On Milk Production During That Lactation And The Following Lactation In Holstein Dairy Cows Aurora Villarroel.
Athyr Vet et al.
Objective: Emphasis on early conception after calving has long been a target as an important step for high produc- tivity in dairy cattle. The objective of this study was to deter- mine if cows that conceived early after calving (low days open [DOPEN
Materials and Methods: This was a longitudinal observa- tional study based on data collected at 6 dairy farms in the US and Canada ranging in herd size between 300 and 3,000 milk- ing cows. Milk production was
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P15
Early Estrus After Calving Results In Improved Reproduction In Holstein Dairy Cows Aurora Villarroel.
Athyr Vet et al.
Objective: It is known that follicles that have grown during prolonged presence of progesterone are more fertile than those that have had little progesterone exposure. The objec- tive of this study was to determine if cows that showed estrus early af
Materials and Methods: This was a longitudinal obser- vational study based on data collected at 2 dairy farms in the US with similar reproductive management. First insemination is based on a synchronization pro
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P16
Vaginal Temperature At Artificial Insemination Correlates Negatively With The Conception Rate Of Dairy Cows
Mònica Llobera Balcells et al.
Universidad de Lleida, Lleida, Spain.
Objectives: To evaluate possible relationships between vaginal and rectal temperatures at artificial insemination (AI) and corpus luteum (CL) size (mm) 7 days post-AI on the con- ception rate in high producing
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P17
Two Cloprostenol Doses Before Artificial Insemination Protocol Was Related To An Increased Corpus Luteum Size Besides An Increased Pregnancy Rate In Postpartum Dairy Cows
Roger Joan Palacín Chauri et al.
Universidad de Lleida, Lleida, Spain.
Objectives: To determine whether the addition of clopros- tenol at Days 30-36 (pp1) and 44-50 (pp2) postpartum could improve luteal function and pregnancy rates of high producing dairy cows independently of the
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P18
Effect Of Equine Chorionic Gonadotrophin (Ecg) In 7-Day Gnrh Plus Progesterone Device Protocol On Tai Pregnancy Rate In Dairy Cows In Argentina A,
Lucas Manzi et al.
Universidad Nacional de La Plata, La Plata, Argentina.
Objective: Was to evaluate the effect of equine chorionic gonadotrophin (eCG) on pregnancy rate per timed AI (TAI) in dairy cattle synchronized with the 7-d GnRH plus intravaginal progesterone releasing device
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P19
In Vitro Produced Frozen Angus Embryos Has Similar Conception Rate Than In Vitro Produced Fresh Embryos In High Producing Dairy Cattle
Queralt Ballonga-Casas et al.
University of Lleida, Lleida, Spain
Objectives: To compare conception rate (CR) between in vitro produced (IVP) fresh and IVP Angus frozen embryos. Moreover, to analyze whether uterus size of receptor cows affect subsequent CR following embryo tr
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P20
Can Ovarian Follicle Size Predict The Optimal Time For Mating As Defined By An Automated Monitoring System In Dairy Grazing Farms?
Ryan Luckman et al.
Veterinary Centre Waimate, Waimate, New Zealand
Objectives: Evaluation of heat detection performance on farm has long relied on retrospective data analysis, or expen- sive serial progesterone testing. The objective of this study was to assess whether the siz
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P21
Reproductive Performance Of Dairy Cows Supplemented With A Low Dose Of Bypass Omega 3 Fatty Acids
Leandro Royo Volta et al.
Norel S.A., Madrid, Spain.
Objectives: The aim of this study was to evaluate the ef- fect of supplementation with a low dose of bypass omega 3 fatty acids (FA), on reproductive performance of a dairy herd. Materials and methods: Ninety-o
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P22
Determining The Optimal Characteristics Of The Corpus Luteum As The Key To Satisfactory Pregnancy Results In Embryo Recipient Cows
Bartłomiej M. Jaśkowski et al.
Wojciech Niżański1. Wroclaw University of Environmental and Life Sciences, Wrocław, Poland
Objectives: The effectiveness of embryo transfer (ET) - despite the development of assisted reproductive technics - has not improved in recent years. This results in a constant search for other factors influenc
🖼️ Poster
Reproduction in Dairy Cattle
2022
RD-P23
Detection Of Coxiella Burnetii By Pcr In Tank Milk From Cattle Herds With Reproductive Problems In France
Brigitte Trezzani et al.
Gisbert. Ceva Santé Animale, Libourne, France.
Objectives: Q fever is a ubiquitous disease in cattle, sheep and goat farms. In France, a study has shown that nearly 30% of cattle herds have cattle seropositive for Q fever (Gache et al., 2017). The diagnosis