This document summarizes estrus synchronization protocols for cows presented at the 2010 NCBA Convention. It discusses various protocols including Select Synch, Ovsynch, CO-Synch, and combinations with CIDR. Graphs and tables show pregnancy rates for different protocols and the effects of factors like body condition score and location. The document concludes by acknowledging funding sources and collaborators on this research.
Jordan Hoewischer - OACI Farmer Certification ProgramJohn Blue
OACI Farmer Certification Program - Jordan Hoewischer, Ohio Farm Bureau, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Fred Yoder - No-till and Climate Change: Fact, Fiction, and IgnoranceJohn Blue
No-till and Climate Change: Fact, Fiction, and Ignorance - Fred Yoder, Former President, National Corn Growers Association, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. John Grove - Fifty Years Of No-till Research In KentuckyJohn Blue
Fifty Years Of No-till Research In Kentucky - Dr. John Grove, Univerity of Kentucky, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Warren Dick - Pioneering No-till Research Since 1962John Blue
Pioneering No-till Research Since 1962 - Dr. Warren Dick, OSU-OARDC (retired), from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Christine Sprunger - The role that roots play in building soil organic ma...John Blue
The role that roots play in building soil organic matter and soil health - Dr. Christine Sprunger, OSU - SENR, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Leonardo Deiss - Stratification, the Role of Roots, and Yield Trends afte...John Blue
Stratification, the Role of Roots, and Yield Trends after 60 years of No-till - Dr. Leonardo Deiss, OSU, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Jordan Hoewischer - OACI Farmer Certification ProgramJohn Blue
OACI Farmer Certification Program - Jordan Hoewischer, Ohio Farm Bureau, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Fred Yoder - No-till and Climate Change: Fact, Fiction, and IgnoranceJohn Blue
No-till and Climate Change: Fact, Fiction, and Ignorance - Fred Yoder, Former President, National Corn Growers Association, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. John Grove - Fifty Years Of No-till Research In KentuckyJohn Blue
Fifty Years Of No-till Research In Kentucky - Dr. John Grove, Univerity of Kentucky, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Warren Dick - Pioneering No-till Research Since 1962John Blue
Pioneering No-till Research Since 1962 - Dr. Warren Dick, OSU-OARDC (retired), from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Christine Sprunger - The role that roots play in building soil organic ma...John Blue
The role that roots play in building soil organic matter and soil health - Dr. Christine Sprunger, OSU - SENR, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Leonardo Deiss - Stratification, the Role of Roots, and Yield Trends afte...John Blue
Stratification, the Role of Roots, and Yield Trends after 60 years of No-till - Dr. Leonardo Deiss, OSU, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Steve Culman - No-Till Yield Data AnalysisJohn Blue
No-Till Yield Data Analysis - Dr. Steve Culman, OSU Soil Fertility Extension Specialist, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Alan Sundermeier and Dr. Vinayak Shedekar - Soil biological Response to BMPs John Blue
Soil biological Response to BMPs - Alan Sundermeier, OSU Extension, and Dr. Vinayak Shedekar, USDA-ARS, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Curtis Young - Attracting And Protecting PollinatorsJohn Blue
Attracting And Protecting Pollinators - Dr. Curtis Young, OSU Extension, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Sarah Noggle - Cover Crop Decision Tool SelectorJohn Blue
Cover Crop Decision Tool Selector - Sarah Noggle, OSU Extension, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Hemp Regulations - Jim Belt, ODA, Head of Hemp for Ohio, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
John Barker - UAVs: Where Are We And What's NextJohn Blue
UAVs: Where Are We And What's Next - John Barker, OSU Extension, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Rajbir Bajwa - Medical uses of MarijuanaJohn Blue
Medical uses of Marijuana - Dr. Rajbir Bajwa, Coordinator of legal medical marijuana sales, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Jeff Stachler - Setting up a Corn and Soybean Herbicide Program with Cove...John Blue
Setting up a Corn and Soybean Herbicide Program with Cover Crops - Dr. Jeff Stachler, OSU Extension, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Chad Penn - Developing A New Approach To Soil Phosphorus Testing And Reco...John Blue
Developing A New Approach To Soil Phosphorus Testing And Recommendations - Dr. Chad Penn, USDA-ARS, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Jim Hoorman - Dealing with Cover Crops after Preventative PlantingJohn Blue
Dealing with Cover Crops after Preventative Planting - Jim Hoorman, Hoorman Soil Health Services, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Sjoerd Duiker - Dealing with Poor Soil Structure and Soil Compaction John Blue
Dealing with Poor Soil Structure and Soil Compaction - Dr. Sjoerd Duiker, Extension Agronomist, Penn State University, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Christine Brown - Canadian Livestock Producers Efforts to Improve Water QualityJohn Blue
Canadian Livestock Producers Efforts to Improve Water Quality - Christine Brown, Ontario Ministry of Agriculture, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Lee Briese - Details Matter (includes details about soil, equipment, cove...John Blue
Details Matter (includes details about soil, equipment, cover crops...) - Dr. Lee Briese, North Dakota, 2017 International Crop Adviser of the Year, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Lance Conway - Using Sensor Metrics to Guide Agronomic DecisionsJohn Blue
Using Sensor Metrics to Guide Agronomic Decisions - Lance Conway, University of Missouri, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Lee Briese - Herbicide/cover Crop Interactions. Cover Crops Are Tools; Se...John Blue
Herbicide/cover Crop Interactions. Cover Crops Are Tools; Select The Right Tool. - Dr. Lee Briese, CCA, North Dakota, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Lee Briese - Transitioning to a No-Till System (Steps to consider; it may...John Blue
Transitioning to a No-Till System (Steps to consider; it may take 5 yrs) - Dr. Lee Briese, CCA, North Dakota, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Mark Williams - Soil Hydrology/Preferential Flow ImpactsJohn Blue
Soil Hydrology/Preferential Flow Impacts - Mark Williams, USDA-ARS, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Chad Penn - Using Phosphorus Removal Structures to Treat Tile Drainage Wa...John Blue
Using Phosphorus Removal Structures to Treat Tile Drainage Water in the Midwest - Dr. Chad Penn, USDA-ARS, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
What is the TDS Return Filing Due Date for FY 2024-25.pdfseoforlegalpillers
It is crucial for the taxpayers to understand about the TDS Return Filing Due Date, so that they can fulfill your TDS obligations efficiently. Taxpayers can avoid penalties by sticking to the deadlines and by accurate filing of TDS. Timely filing of TDS will make sure about the availability of tax credits. You can also seek the professional guidance of experts like Legal Pillers for timely filing of the TDS Return.
Dr. Steve Culman - No-Till Yield Data AnalysisJohn Blue
No-Till Yield Data Analysis - Dr. Steve Culman, OSU Soil Fertility Extension Specialist, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Alan Sundermeier and Dr. Vinayak Shedekar - Soil biological Response to BMPs John Blue
Soil biological Response to BMPs - Alan Sundermeier, OSU Extension, and Dr. Vinayak Shedekar, USDA-ARS, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Curtis Young - Attracting And Protecting PollinatorsJohn Blue
Attracting And Protecting Pollinators - Dr. Curtis Young, OSU Extension, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Sarah Noggle - Cover Crop Decision Tool SelectorJohn Blue
Cover Crop Decision Tool Selector - Sarah Noggle, OSU Extension, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Hemp Regulations - Jim Belt, ODA, Head of Hemp for Ohio, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
John Barker - UAVs: Where Are We And What's NextJohn Blue
UAVs: Where Are We And What's Next - John Barker, OSU Extension, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Rajbir Bajwa - Medical uses of MarijuanaJohn Blue
Medical uses of Marijuana - Dr. Rajbir Bajwa, Coordinator of legal medical marijuana sales, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Jeff Stachler - Setting up a Corn and Soybean Herbicide Program with Cove...John Blue
Setting up a Corn and Soybean Herbicide Program with Cover Crops - Dr. Jeff Stachler, OSU Extension, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Chad Penn - Developing A New Approach To Soil Phosphorus Testing And Reco...John Blue
Developing A New Approach To Soil Phosphorus Testing And Recommendations - Dr. Chad Penn, USDA-ARS, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Jim Hoorman - Dealing with Cover Crops after Preventative PlantingJohn Blue
Dealing with Cover Crops after Preventative Planting - Jim Hoorman, Hoorman Soil Health Services, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Sjoerd Duiker - Dealing with Poor Soil Structure and Soil Compaction John Blue
Dealing with Poor Soil Structure and Soil Compaction - Dr. Sjoerd Duiker, Extension Agronomist, Penn State University, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Christine Brown - Canadian Livestock Producers Efforts to Improve Water QualityJohn Blue
Canadian Livestock Producers Efforts to Improve Water Quality - Christine Brown, Ontario Ministry of Agriculture, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Lee Briese - Details Matter (includes details about soil, equipment, cove...John Blue
Details Matter (includes details about soil, equipment, cover crops...) - Dr. Lee Briese, North Dakota, 2017 International Crop Adviser of the Year, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Lance Conway - Using Sensor Metrics to Guide Agronomic DecisionsJohn Blue
Using Sensor Metrics to Guide Agronomic Decisions - Lance Conway, University of Missouri, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Lee Briese - Herbicide/cover Crop Interactions. Cover Crops Are Tools; Se...John Blue
Herbicide/cover Crop Interactions. Cover Crops Are Tools; Select The Right Tool. - Dr. Lee Briese, CCA, North Dakota, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Lee Briese - Transitioning to a No-Till System (Steps to consider; it may...John Blue
Transitioning to a No-Till System (Steps to consider; it may take 5 yrs) - Dr. Lee Briese, CCA, North Dakota, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Mark Williams - Soil Hydrology/Preferential Flow ImpactsJohn Blue
Soil Hydrology/Preferential Flow Impacts - Mark Williams, USDA-ARS, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
Dr. Chad Penn - Using Phosphorus Removal Structures to Treat Tile Drainage Wa...John Blue
Using Phosphorus Removal Structures to Treat Tile Drainage Water in the Midwest - Dr. Chad Penn, USDA-ARS, from the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA.
What is the TDS Return Filing Due Date for FY 2024-25.pdfseoforlegalpillers
It is crucial for the taxpayers to understand about the TDS Return Filing Due Date, so that they can fulfill your TDS obligations efficiently. Taxpayers can avoid penalties by sticking to the deadlines and by accurate filing of TDS. Timely filing of TDS will make sure about the availability of tax credits. You can also seek the professional guidance of experts like Legal Pillers for timely filing of the TDS Return.
What are the main advantages of using HR recruiter services.pdfHumanResourceDimensi1
HR recruiter services offer top talents to companies according to their specific needs. They handle all recruitment tasks from job posting to onboarding and help companies concentrate on their business growth. With their expertise and years of experience, they streamline the hiring process and save time and resources for the company.
RMD24 | Retail media: hoe zet je dit in als je geen AH of Unilever bent? Heid...BBPMedia1
Grote partijen zijn al een tijdje onderweg met retail media. Ondertussen worden in dit domein ook de kansen zichtbaar voor andere spelers in de markt. Maar met die kansen ontstaan ook vragen: Zelf retail media worden of erop adverteren? In welke fase van de funnel past het en hoe integreer je het in een mediaplan? Wat is nu precies het verschil met marketplaces en Programmatic ads? In dit half uur beslechten we de dilemma's en krijg je antwoorden op wanneer het voor jou tijd is om de volgende stap te zetten.
Buy Verified PayPal Account | Buy Google 5 Star Reviewsusawebmarket
Buy Verified PayPal Account
Looking to buy verified PayPal accounts? Discover 7 expert tips for safely purchasing a verified PayPal account in 2024. Ensure security and reliability for your transactions.
PayPal Services Features-
🟢 Email Access
🟢 Bank Added
🟢 Card Verified
🟢 Full SSN Provided
🟢 Phone Number Access
🟢 Driving License Copy
🟢 Fasted Delivery
Client Satisfaction is Our First priority. Our services is very appropriate to buy. We assume that the first-rate way to purchase our offerings is to order on the website. If you have any worry in our cooperation usually You can order us on Skype or Telegram.
24/7 Hours Reply/Please Contact
usawebmarketEmail: support@usawebmarket.com
Skype: usawebmarket
Telegram: @usawebmarket
WhatsApp: +1(218) 203-5951
USA WEB MARKET is the Best Verified PayPal, Payoneer, Cash App, Skrill, Neteller, Stripe Account and SEO, SMM Service provider.100%Satisfection granted.100% replacement Granted.
Enterprise Excellence is Inclusive Excellence.pdfKaiNexus
Enterprise excellence and inclusive excellence are closely linked, and real-world challenges have shown that both are essential to the success of any organization. To achieve enterprise excellence, organizations must focus on improving their operations and processes while creating an inclusive environment that engages everyone. In this interactive session, the facilitator will highlight commonly established business practices and how they limit our ability to engage everyone every day. More importantly, though, participants will likely gain increased awareness of what we can do differently to maximize enterprise excellence through deliberate inclusion.
What is Enterprise Excellence?
Enterprise Excellence is a holistic approach that's aimed at achieving world-class performance across all aspects of the organization.
What might I learn?
A way to engage all in creating Inclusive Excellence. Lessons from the US military and their parallels to the story of Harry Potter. How belt systems and CI teams can destroy inclusive practices. How leadership language invites people to the party. There are three things leaders can do to engage everyone every day: maximizing psychological safety to create environments where folks learn, contribute, and challenge the status quo.
Who might benefit? Anyone and everyone leading folks from the shop floor to top floor.
Dr. William Harvey is a seasoned Operations Leader with extensive experience in chemical processing, manufacturing, and operations management. At Michelman, he currently oversees multiple sites, leading teams in strategic planning and coaching/practicing continuous improvement. William is set to start his eighth year of teaching at the University of Cincinnati where he teaches marketing, finance, and management. William holds various certifications in change management, quality, leadership, operational excellence, team building, and DiSC, among others.
Affordable Stationery Printing Services in Jaipur | Navpack n PrintNavpack & Print
Looking for professional printing services in Jaipur? Navpack n Print offers high-quality and affordable stationery printing for all your business needs. Stand out with custom stationery designs and fast turnaround times. Contact us today for a quote!
Tata Group Dials Taiwan for Its Chipmaking Ambition in Gujarat’s DholeraAvirahi City Dholera
The Tata Group, a titan of Indian industry, is making waves with its advanced talks with Taiwanese chipmakers Powerchip Semiconductor Manufacturing Corporation (PSMC) and UMC Group. The goal? Establishing a cutting-edge semiconductor fabrication unit (fab) in Dholera, Gujarat. This isn’t just any project; it’s a potential game changer for India’s chipmaking aspirations and a boon for investors seeking promising residential projects in dholera sir.
Visit : https://www.avirahi.com/blog/tata-group-dials-taiwan-for-its-chipmaking-ambition-in-gujarats-dholera/
LA HUG - Video Testimonials with Chynna Morgan - June 2024Lital Barkan
Have you ever heard that user-generated content or video testimonials can take your brand to the next level? We will explore how you can effectively use video testimonials to leverage and boost your sales, content strategy, and increase your CRM data.🤯
We will dig deeper into:
1. How to capture video testimonials that convert from your audience 🎥
2. How to leverage your testimonials to boost your sales 💲
3. How you can capture more CRM data to understand your audience better through video testimonials. 📊
[Note: This is a partial preview. To download this presentation, visit:
https://www.oeconsulting.com.sg/training-presentations]
Sustainability has become an increasingly critical topic as the world recognizes the need to protect our planet and its resources for future generations. Sustainability means meeting our current needs without compromising the ability of future generations to meet theirs. It involves long-term planning and consideration of the consequences of our actions. The goal is to create strategies that ensure the long-term viability of People, Planet, and Profit.
Leading companies such as Nike, Toyota, and Siemens are prioritizing sustainable innovation in their business models, setting an example for others to follow. In this Sustainability training presentation, you will learn key concepts, principles, and practices of sustainability applicable across industries. This training aims to create awareness and educate employees, senior executives, consultants, and other key stakeholders, including investors, policymakers, and supply chain partners, on the importance and implementation of sustainability.
LEARNING OBJECTIVES
1. Develop a comprehensive understanding of the fundamental principles and concepts that form the foundation of sustainability within corporate environments.
2. Explore the sustainability implementation model, focusing on effective measures and reporting strategies to track and communicate sustainability efforts.
3. Identify and define best practices and critical success factors essential for achieving sustainability goals within organizations.
CONTENTS
1. Introduction and Key Concepts of Sustainability
2. Principles and Practices of Sustainability
3. Measures and Reporting in Sustainability
4. Sustainability Implementation & Best Practices
To download the complete presentation, visit: https://www.oeconsulting.com.sg/training-presentations
Unveiling the Secrets How Does Generative AI Work.pdfSam H
At its core, generative artificial intelligence relies on the concept of generative models, which serve as engines that churn out entirely new data resembling their training data. It is like a sculptor who has studied so many forms found in nature and then uses this knowledge to create sculptures from his imagination that have never been seen before anywhere else. If taken to cyberspace, gans work almost the same way.
The Influence of Marketing Strategy and Market Competition on Business Perfor...
Dr. Cliff Lamb - Increasing your AI pregnancy rate in cows
1. Estrus Synchronization Protocols for
Cows
Cliff Lamb
University of Florida
Applied Reproductive Strategies in Beef Cattle
NCBA Convention
January 28, 2010
US Beef Semen Sales and Custom
Estrous Synchronization Protocols
Collected Semen
Hybrid Synch
Two shot PGF
MGA/PGF 4 x 106 units
7-11 Synch Select Synch
MGA Select Hybrid Synch+CIDR
Ov-synch
Presynch
Resynch
One shot PGF CIDR/PGF
CO-synch
CO-synch+CIDR Heat Synch
http://www.naab-css.org/sales/table_list.html
2. Percentage of Semen Sold and Collected
US Beef Cow Inventory Compared to Beef Cow Inventory
11%
http://www.nass.usda.gov
Definitions
!Synchronization Rate:
% of females detected in estrus compared to total
number synchronized.
!Conception Rate:
% of females pregnant compared to number of
females inseminated.
!Pregnancy Rate:
% of females pregnant compared to total number
synchronized.
2 ! Prostaglandin (PGF2!) System Select Synch
PGF PGF Heat detect GnRH PGF Heat detect
and AI and AI
-14 0 144 -7 0 144
Days from PGF Hours from PGF
Days from PGF Hours from PGF
3. Ovsynch CO-Synch
GnRH PGF GnRH AI GnRH
GnRH PGF & AI
-7 0 48
-7 0 48 60-66
Days from PGF Hours from PGF
Days from PGF Hours from PGF
Select Synch & TAI 2!PGF2! vs. Select Synch
PGF PGF Heat detect
GnRH and AI
GnRH PGF Heat detect & AI 2!PGF2!
& AI
-7 0 72-84
GnRH PGF Heat detect
and AI
Days from PGF Hours from PGF
Select Synch
(Stevenson et al., 2000)
2!PGF2! vs. Select Synch Select Synch vs. CO-Synch
GnRH PGF Heat detect
and AI
Item 2!PGF2! Select Synch
Select Synch
No. of Cows 294 289
Synchronization rate, % 142/294 (48) 175/289 (61)
GnRH
Conception rates, % 86/142 (61) 115/175 (66) GnRH PGF & AI
Pregnancy rates, % 86/294 (28) 115/289 (38)
CO-Synch
(Stevenson et al., 2000) (Grieger et al., 2001)
4. Select Synch vs. CO-Synch CO-Synch vs. Ovsynch
GnRH
GnRH PGF & AI
Item Select Synch CO-Synch CO-Synch
No. of Cows 237 223
Synchronization rate, % 130/237 (55) - GnRH PGF GnRH AI
Conception rates, % 93/130 (72) 106/223 (48)
Ovsynch
Pregnancy rates, % 93/237 (39) 106/223 (48)
-7 0 48 72
Days relative to PGF Hours relative to PGF
(Grieger et al., 2001)
(Geary et al., 2001)
CO-Synch vs. Ovsynch CO-synch vs. CO-synch+CIDR
TAI &
GnRH PGF GnRH
CO-Synch
TAI &
GnRH PGF GnRH
CIDR
CO-Synch+CIDR
-7 0 48
Days relative to PGF Hours relative to PGF
(Lamb et al., 2001)
(Geary et al., 2001)
First Service Pregnancy Rates Effect of BCS on Pregnancy Rates
Body condition score
Treatments
(Lamb et al., 2001) (Lamb et al., 2001)
5. PGF
TAI &
GnRH Effect of Location on Pregnancy Rates
CIDR
CIDR-PG & TAI Detect estrus & AI
TAI &
GnRH PGF GnRH
CO-Synch
TAI &
GnRH PGF GnRH
CIDR
CO-Synch+CIDR
TAI &
GnRH PGF GnRH
Select Synch & TAI Detect estrus & AI
TAI &
GnRH PGF GnRH
CIDR
Select Synch+CIDR & TAI Detect estrus & AI
-18 to -16 -7 0 60 84 Locations
B B (Larson et al., 2006)
Days relative to PGF Hours relative to PGF
Pregnancy Rates after Estrus
Detection Alone vs TAI
5-day CO-Synch + CIDR
58
53 54 53 TAI &
GnRH PGF PGF GnRH
43 CIDR
a b c a,b b
-5 d 0 8±2h 72h
Treatment
P < 0.05 (Day et al., 2008)
(Larson et al., 2006)
7-day CO-Synch + CIDR 5-day CO-Synch + CIDR
TAI &
GnRH PGF GnRH
CIDR TAI &
GnRH PGF PGF GnRH
CIDR
-7 d 0 60-66h
-5 d 0 8±2h 72h
6. Distribution of Estrus for 5-day and
7-day CO-Synch + CIDR protocols
7-day CO-Synch+CIDR
TAI &
GnRH PGF GnRH
CIDR
-7 d 0 60-66h
5-day CO-Synch+CIDR
TAI &
GnRH PGF PGF GnRH
CIDR
-5 d 0 8±2h 72h
(Wilson et al., 2010)
Pregnancy rate to 7-day Pregnancy rate to 5-day
CO-Synch + CIDR protocol CO-Synch + CIDR protocol
n > 7,000 n > 2,600 n > 2.100 n > 2,000
Calving Distribution of Cows Calving
Effects of a fixed-time AI system on after TAI or Bull breeding
calving distribution
44.1%
vs.
24.7%
Control Natural mating
n = 285
TAI +
GnRH
GnRH PGF
TAI CIDR Natural mating
n = 263
(Rodgers, 2007) (Rodgers, 2007)
7. Calving Distribution after
Synchronization of Estrous
Does the use of the CO-Synch + CIDR
Protocol delay return to estrus?
438 suckled cows were estrous synchronized using
the 7-day CO-Synch + CIDR Protocol.
TAI &
GnRH PGF GnRH
CIDR
(Larson et al., 2006) (Mercadante et al., 2010)
Estrus response of cows following the
Calving Distribution 7-day CO-Synch+CIDR protocol
n=275
97.5% return to
90% Overall pregnancy rate estrus rate!!
Average Interval
to estrus = 20.9
days
?? n=85
n=37 n=34
(Mercadante et al., 2010) (Mercadante et al., 2010)
Acknowledgements
People Funding and Product
Support
Dr. Carl Dahlen ABS Global, Inc.
Dr. Jamie Larson Blandin Foundation
Intervet Animal Health
Mr. Guilherme Marquezini
IVX/Teva Animal Health
Dr. Jeff Stevenson
Merial Animal Health
Graduate Students
MN-AURI
Technical staff
NAAB
Support staff Pfizer Animal Health
Collaborators Select Sires, Inc.
Co-authors U of FL
Beef cattle producers U of MN
USDA-CSREES
8. Thank You!
Contact Information:
Cliff Lamb
University of Florida
3925 HWY 71
Marianna, FL 32446
Tel: 850-394-9124
Email: gclamb@ufl.edu