🖼️ Poster
Reproduction in Beef Cattle
2022
RB-P11
Pregnancy Rates In Nellore And Crossbreed Beef Cattle With A Single And Multiple Corpus Luteum
Tomas J. Acosta et al.
D. Gimenez2, Ruben D. Tellez Fariña3, Cynthia Nuñez2, Aristides Britos2. Obihiro University of Agriculture and Veterinary Medicine, Obihiro Japan
Objectives: In vitro fertilization and embryo transfer pro- grams are implemented to increase the population of animals with good meat quality and high reproductive performence. One of the main limitation of th
🖼️ Poster
Reproduction in Beef Cattle
2022
RB-P12
Testosterone And Sperm Quality Of Purebred Wagyu Bulls Under Field Conditions In Spain
Juan Mesías Vázquez-Mosquera et al.
Molina1, María Luz Pérez-Solana3, José Luis Lema Hurtado5, Susana Astiz Blanco3, Sonia S. Pérez-Garnelo3. , 1 Universidad Complutense de Madrid, Madrid, Spain
Objectives: Semen characteristics are influenced by breed and are of crucial importance for the success of artificial insemination (AI). Semen cryopreservation is the most com- mon technology in AI programs sin
🖼️ Poster
Reproduction in Beef Cattle
2022
RB-P13
Effect Of Extender Used On Casa Motility Results Of Wagyu Semen Obtained By Electroejaculation Under Field Conditions In Spain
Juan Mesías Vázquez-Mosquera et al.
Molina1, María Luz Pérez-Solana3, José Luis Lema Hurtado5, Susana Astiz Blanco3, Sonia S. Pérez-Garnelo3. Universidad Complutense de Madrid, Madrid, Spain
Objectives: Computer-Assisted Sperm Analysis (CASA) has become the gold standard tool for evaluating sperm mo- tility and kinetic patterns because it provides objective data for thousands of sperm tracks. Howev
🖼️ 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
🎤 Oral
Reproduction in Dairy Cattle
2022
RD-01
Effect Of Treatment Of Phantom Cows With A Progesterone- E Based Synchrony Programme P
Greg Chambers et al.
Z Oamaru, New Zealand
Objectives: To determine the effect of a progester- one-based synchrony programme on the daily hazard of con- c ception and the probability of being pregnant at the end of n the seasonal mating period in cows n
🎤 Oral
Reproduction in Dairy Cattle
2022
RD-02
Valuating The Cost-Effectiveness Of Diagnosing And Treating Hantom Cows In Seasonal-Calving Dairy Herds
reg Chambers et al.
amaru, New Zealand
Objectives: The objective of this study was to explore the ost-effectiveness of using a progesterone-based synchro- y program to manage phantom cows on seasonal-calving airy farms. Phantom cows were defined as
🎤 Oral
Reproduction in Dairy Cattle
2022
RD-03
Embryo Production In Dairy Cattle After Superovulation With Gonadotrophin Preparation- Effect Of Variability In Fsh/Lh Ratio-
Santiago Fuentes Ibañez et al.
Veterinary Medicine, University of León, León, Spain, LEÓN, Spain.
Introduction and objectives: Ovarian superstimulation of dairy heifers and cows is a practical tool to increase offspring from females of high genetic merit. The success of superovu- lation and embryo recovery
🎤 Oral
Reproduction in Dairy Cattle
2022
RD-04
Quantification Of Reproductive Hormone Use In Dutch Dairy Herds: "From No Treatment To Excessive Use"
Savannah Van Der Laan et al.
Utrecht University, Utrecht, Netherlands
Objectives: Globally, reproductive hormones are used in the dairy industry to increase reproductive efficiency and, hence, to increase the longevity of dairy cows. The number of treatments seems to vary signifi
🎤 Oral
Reproduction in Dairy Cattle
2022
RD-05
Progesterone Based Heifer Re-Synchrony In An Extensive Pasture Grazing System: A Case Study
Kristen Baxter et al.
Services, Oamaru, New Zealand
Objective: The objective of this study was to determine if a synchrony/re-synchrony programme would prove effective in achieving a pregnancy rate of >85% in 3 cycles. New Zealand dairy heifers are typically rai
🎤 Oral
Reproduction in Dairy Cattle
2022
RD-06
Association Between Infectious Diseases With Late Embryonic Losses In Supplemented Grazing Dairy Cow
Luis Ernesto Quintero Rodriguez et al.
Instituto de Investigaciones en Reproducción Animal (INIRA), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata (FCV-UNLP), 30, Argentina
Objectives: To evaluate the association between Bovine Viral Diarrhea (BVD) and Infectious Bovine Rhinotracheitis (IBR) with the odds for late embryonic losses (LEL) in supple- mented grazing dairy cows in Arge
🎤 Oral
Reproduction in Dairy Cattle
2022
RD-07
Risk Factors For Anovulation And Its Association With Reproductive Performance In A Herd Of Grazing Dairy Cows
German Ariel Dominguez et al.
Rodolfo Luzbel De La Sota4. Private Practice, Venado Tuerto, Santa Fe, Argentina
Objective: The objectives of this study were to assess the risk factors for anovulation and its association with reproduc- tive performance in a herd of grazing dairy cows. Material and Methods: A retrospective
🎤 Oral
Reproduction in Dairy Cattle
2022
RD-08
Relationship Between Reproductive Performance And Q-Fever In Dairy Herds In Brittany (France)
Vincent Jegou et al.
Poufragan, France
Objectives: Coxiella burnetii is a small intracellular bacte- rium responsible for Q Fever in animals and humans. In cattle, Q fever is a major cause of abortion: 2nd cause according to the French observatory o
🎤 Oral
Reproduction in Dairy Cattle
2022
RD-09
Evaluation Of The Impact Of Multifactorial Parameters To Improve Activity-Based Heat Detection Systems
Hila Kroll et al.
Objectives: Heat detection devices have traditionally been using changes in the activity pattern of female cows. This is either done via recording of simple parameters such as the number of steps, detection of specific movements (mounting behavior),
Materials & Methods: A total of 15,000 activity increase alerts with a very low threshold (about 25% activity index in- crease) were collected from about 3,000 cows in 7 commercial farms, with all cows on farm
🎤 Oral
Reproduction in Dairy Cattle
2022
RD-10
Pastoral Dairy Bull Procurements And Management Effects On Fertility
Kate Mitchell et al.
Scottsdale Veterinary Services/University of Melbourne, Scottsdale, Tasmania, Australia
Objective: Dairy herd bulls are utilised on most farms as a backup to AI in the southern Australian dairy system. The current recommendations for their management include the purchasing and movement of bulls on
🎤 Oral
Reproduction in Dairy Cattle
2022
RD-11
The Effect Of Integrin Binding Domain Peptide And C-Terminal Fragment Of Osteopontin On Restoring The Endometrial Egf Abnormality In Repeat Breeder Dairy Cows
Takashi Tanida et al.
Laboratory of Theriogenology, Department of Clinical Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan
Objectives: In fertile cows, epidermal growth factor (EGF) concentrations in the endometrium show two peaks on days 2-4 and 13-14 of the estrous cycle. The absence of EGF peaks in the endometrium has been linke
🎤 Oral
Reproduction in Dairy Cattle
2022
RD-13
Reproductive Prolapse In Cows In Western Thailand:
Grades et al.
Kasetsart University, Kamphaengsaen, Nakhon Pathom, Thailand.
Objectives: This study determined grades, severity and treatment of reproductive prolapse in cows in western Thai- land. Materials and methods: This study investigated the re- productive prolapse cases submitte
🎤 Oral
Reproduction in Dairy Cattle
2022
RD-14
Comparison Of Three Different Reproductive Management Strategies For Lactating Dairy Cows Emphasizing Detection Of Oestrus Or Synchronization Of Ovulation And Timed Artificial Insemination (Tai)
Richard Vazquez et al.
Lorenzo Viora1. University of Glasgow, Glasgow, United Kingdom
Objectives: The aim of this study was to compare three reproductive management strategies for first insemination of lactating dairy cows: Ovsynch; PRID-synch, both using oes- trus detection and subsequent timed
🎤 Oral
Reproduction in Dairy Cattle
2022
RD-15
Effect Of Puerperal Metritis Occurrence On Reproductive Efficiency And Milk Production In Grazing Dairy Cow
Santiago Corva et al.
Practice, Venado Tuerto, Santa Fe, Argentina.
Objective: The objective of this study was to estimate the effect of puerperal metritis (PM) occurrence on reproductive efficiency and milk production in a dairy farm in Argentina (~2800 milking cows). Material