Dairy Science Digest

Nov 17 2024 54 ep. 24 mins 26
Dairy Science Digest Podcast artwork

Dairy Science Digest - a podcast developed to share the MOST current research published in the Journal of Dairy science. Hear directly from the research authors on how their results can impact your herd’s profitability. Science you can base your management decisions around. Designed to rarely exceed 30 minutes, this podcast provides ONLY the ”need to know” info for dairy producers. Keywords: dairy, science, reproduction, production, extension, cattle, MIZZOU, MU, Dairy Team, #2xAg2030

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DSD 5.11 | Subtle Sync changes to synergize estrus with ovulation

Nov 17 2024 42 mins  
Reproductive physiologists are always trying to improve conception rates for the dairy herd. Double ovsync is one of the best tools in our toolbox to submit cows to first insemination. However, as estrus detection technology becomes more affordable and we learn more about physiology, perhaps combining the expression of estrus at insemination may improve fertility through optimizing

DSD 5.10 | Rumen friendly fatty acids in High Oleic Beans

Oct 16 2024 29 mins  
DSD 5.10 | Rumen friendly fatty acids in High Oleic Beans Soybeans and dairy cows have walked hand for decades. These oil beans are known specifically for the amino acid sequence in their high-quality protein and energy to support lactation. Recent developments in plant breeding has shifted the fat profile of the bean contain a higher amount of Oleic fat, which is easier for the r

DSD 5.9 | Undegradable NDF clogging your herd?

Sep 16 2024 30 mins  
Despite decades of dedicated research, the rumen still remains a bit of a ‘black box’. This month we feature an article from Dr. Gonzalo Ferreira and his team at Virginia Tech as they try further define how undegradable fiber impacts the rumen's flow rate, and therefore productivity. Comprehending the kinetics of degradation will assist in identifying the ideal combination of

DSD 5.8 | Magnesium matters

Aug 19 2024 24 mins  
Seems like calcium and phosphorus gather up all the attention, but there is growing awareness of the importance of magnesium – the “runner up mineral” in the dairy cow diet. Some sources of magnesium are simply more available than others. This fact has the ignited the interest of ruminant nutritionists looking to focus their research efforts on determining the most available

DSD 5.7 |Machine learning to find SARA prevalence in your herd

Jul 18 2024 25 mins  
Subacute Ruminal acidosis, commonly referred to as SARA, could be robbing your herd of production. When pH dips too low for too long the biology of the rumen shifts, butterfat slides and overall health of the herd is negatively impacted. But how can you tell if your herd has SARA? This month we invite Dr. Eric Paquet and Felix Huot, from Université Laval in Quebec Canada to explai

DSD 5.6 | Heat stress changes to the Mammary Gland

Jun 15 2024 29 mins  
When your bulk tank volume takes a plunge through the last bout of heat, do you ever wonder exactly WHY? What is it in the udder that changes to cause the decline? Why do we also commonly see elevated SCC in our tanks too? To best understand the why, the Virgina Tech dairy team collected tissue samples from the mammary gland of cows in controlled environmental chambers. This month

DSD 5.5 | Avoid generations of production losses

May 15 2024 32 mins  
Florida researchers began a generational study in 2007 that is still years in the making. It all began with the investigation of the impact of heat stress on dry cows to measure changes that might occur to the calf incubating inside the hot dam, like a crock pot. In addition to seeing negative production impacts on mama, the researchers began to measure numerous changes in the dama

DSD 5.4 | Reconsider Choline for lasting returns

Apr 19 2024 36 mins  
Choline, a pseudovitamin, is required by all mammals including the dairy cow for many essential functions. Research in supplementing rumen protected choline really took off about twenty years ago, however continues today to best understand how this feed through additive can positively influence profitability. Dr. Usman Arshad joins the conversation for this episode to highlight his

DSD 5.3 | Slight modifications of CIDR Sync - help or hinder?

Mar 15 2024 27 mins  
DSD 5.3 | Slight modifications of CIDR Sync - help or hinder? In this time of heifer inventory shortage – getting heifers pregnant (in a timely fashion) is even more important than ever. Contract heifer growers in California sought the help of Dr. Fabio Lima and his team at UC Davis to best understand the use of a 6-day CIDR sync with variable rates of GnRH could increase pregna

DSD 5.2 | Stop fresh cow subclinical mastitis in its tracks without withhold

Feb 15 2024 24 mins  
Getting the fresh cow off to a strong start has ripple effects for her entire lactation. Subclinical mastitis rarely gets treated due to an unawareness or a lack of interest in pulling her from the tank. Nisin is a naturally occurring antimicrobial that’s been used widely as a food preservative. Dr. Zelmar Rodriguez and his team from Michigan State University looked at using this