🖼️ Poster
Reproduction in Beef Cattle
2022
RB-P14
Comparison Between 5-Day And 7-Day Progestogen-Based Protocols For Estrus Synchronization And Ovulation In Pasture Beef Cattle In Spain: Fixed-Time Ai And Subsequent Natural Services
Luis Quevedo Sánchez et al.
Pablo Guarnido López3. Jandavet, Medina Sidonia, Spain
Objectives: The present study evaluates the reproductive efficiency of two fixed-time AI treatments based on progesto- gen devices maintained for 5 or 7 days in pasture-based beef cattle in Spain. Also, it was
🖼️ Poster
Reproduction in Beef Cattle
2022
RB-P15
Effect Of Supplementation With Vitamins And Minerals At The Beginning Of A Fixed Timed Ai Protocol On Fertility Of Sucking Beef Cows
Gustavo Müller et al.
Universidad Nacional de La Plata & CONICET, La Plata, Argentina.
Objective: Study the effect of supplementation with vita- mins and minerals at the beginning of a fixed timed AI (FTAI) protocol on the fertility of suckling beef cows. Material and methods: Estrus was synchron
🖼️ Poster
Reproduction in Beef Cattle
2022
RB-P16
Comparison Among Color-Doppler Ultrasonography And Conventional Transrectal B-Mode Ultrasonography Of Corpus Luteum, And Serum Pspb To Diagnose Early Pregnancy In Beef Heifers.
Brenda Soledad Alonso et al.
Franco3, Luis Oscar Zapata3, Luisina Andrea Chapero4, Victor Emanuel Leavi4, Pedro Meléndez5, Julián Alberto Bartolomé1, María Guillermina Bilbao4. Facultad de Ciencias Veterinarias - UNLPam - Argentina, Facultad de Ciencias Veterinarias - UNLPam - A
🖼️ Poster
Reproduction in Beef Cattle
2022
RB-P17
Some Tools To Chose A Good Sire: Young Bulls Of Bruna Dels Pirineus Beef Testing Station
Marta Fina I Pla et al.
Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Spain
Objectives: A standard goal for beef cattle production is one calf per mature cow and year. There are several factors in- fluencing on this goal, and the reproductive performance of the bull is one of them very
🖼️ Poster
Reproduction in Beef Cattle
2022
RB-P18
Results Of Fixed Time Insemination In The Retinta Breed, During The Period 2009-2021
Gema Vara Solana et al.
CENSYRA, Badajoz, Spain
Introduction: The connection between livestock, allows to assess males in different livestock and thus increase the reli- ability of the genetic evaluation. This connection can be made through the transfer of b
🖼️ Poster
Reproduction in Beef Cattle
2022
RB-P19
Effects Of R-Met-Hu G-Csf On Testicular Morphometry In Prepubertal Brahman Bulls
Darío Arévalo et al.
Aponte1. Universidad San Francisco de Quito USFQ, Quito, Pichincha, Ecuador
Introduction and objectives: Puberty is the physiological process when fertility is acquired. Precocious animals have the potential to offer longer productive lives. The aim of this study was to test the effect
🖼️ Poster
Reproduction in Beef Cattle
2022
RB-P22
Pilot Survey Of Zearalenone In The Concentrates And Forages Fed To Low And High Fertile Hungarian Cows Khairi El Battawy.
National Research Centre et al.
Abstract The objective of this investigation was to study the exis- tence and the level of zearalenone (ZON) in concentrates and forages for cow consumption and their effect on reproduction in Hungary. A survey of ZON was performed in the samples of
🖼️ Poster
Reproduction in Beef Cattle
2022
RD-P01
Superovulatory Response And Embryo Production In Holstein Heifers
Carlos Antônio De Carvalho Fernandes et al.
Biotran LTD/Unifenas University, Alfenas/Minas Gerais, Brazil
Objectives: The Multiple Ovulation and Embryo Transfer (MOET) technique for bovine genetic multiplication has been used commercially since the 1960s. Using the new knowledge of reproductive physiology, such as
🖼️ Poster
Reproduction in Beef Cattle
2022
RD-P02
Risk And Protective Factors Of Milk Components On Dairy Herds Days Open In Northern Region Of Antioquia-Colombia
Elisa Sierra-Montoya et al.
University of Antioquia, Faculty of Agricultural Sciences, Biogenesis Research Group, Medellin, Colombia.
Objectives: The aim of this study was to estimate the amount of milk yield, fat concentration, somatic cell count, milk ureic nitrogen and lactose, and to determine the probability of being risk factors to incr
🖼️ 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