Research says: Calves conceived in winter perform better? Find out why

Cows (Calves) and humans have something in common: If you take better care of the mother during pregnancy, her children are likely to be healthier and this impact should last a lifetime, a University of Florida scientist says.

Therefore even as a farmer you now know exactly what to do when your cows are pregnant in order to achieve better result so take good care of your pregnant cows.

In the case of cows, cool conditions are key. A new UF/IFAS study shows calves conceived during winter went on to produce more calves and milk.

That’s a critical finding for dairy farmers and for people looking for a nutritious glass of milk because each Florida cow produces an average of 2,408 gallons of milk per year.

“This is important to figure out because maybe we can improve the conditions from conception on in order to get an animal to do as well as possible throughout its existence,” said Albert De Vries, a UF/IFAS associate professor of animal sciences.

“The current thinking is that the environment plays an important role from at least conception on.” Florida has about 124,000 dairy cows, the study said.

Read Also: Cow Milk Production

For the study, researchers examined 667,000 cow lactation records for the years 2000 through 2012 from the Dairy Herd Information Association database. They obtained weather data from the National Oceanic and Atmospheric Administration.

Research says: Calves conceived in winter perform better? Find out why

Scientists considered a heat and humidity index higher than 68 to cause heat stress in the cows. Through these records, De Vries and lead author Pablo Pinedo of Colorado State University documented effects of heat stress during conception on the calf’s performance when it becomes a cow. A calf grows into a cow about two years after birth.

They found that calves conceived in the cool season fared better from day 1 of their pregnancies. Now researchers want to know whether the biological mechanism that causes that effect on day 1 or later. “Perhaps we can do something during early gestation, even if the mom is still under heat stress,” De Vries said.

Did you learn anything from this research? Let us hear your suggestions, opinions, questions and answers using the comment box below.

Research says: Calves conceived in winter perform better? Do you agree with this research or not? Let’s hear what you think below:


According to the Materials provided by University of Florida Institute of Food and Agricultural Sciences

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Benadine Nonye

An Agric. Consultant & a Blogger - National Diploma in Agricultural Technology - Bachelor's Degree in Agricultural Science - Master's Degree in Science Education... Join Me On: Twitter: @benadinenonye - Instagram: benadinenonye - LinkedIn: benadinenonye - YouTube: Agric4ProfitsTV - Pinterest: BenadineNonye4u - Facebook: benadinenonye.

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