Dr. Greg Penner from the Dept. of Animal and Poultry Science joins me to discuss the way that producers can identify the most "efficient" cows in their herd.
2:19 –
4:09 The importance of feed efficiency
4:10 –
6:17 Explaining Residual Feed intake
6:18 –
8:04 Measuring feed efficiency in research trials
8:05 –
9:28 Limitations of feed efficiency measurements in beef cow systems
9:29 –
12:27 Describing an alternative system for ranking beef cow efficiency
12:28 –
15:18 Variability in the indicators of efficiency and why they were chosen
15:19 –
7:30 Evaluating the digestive physiology in high efficiency and low efficiency cows
17:31 -
19:45 Main differences between HE and LE cows
19:46 –
23:37 Describing ruminal differences between HE and LE cows
23:38 –
25:00 Limitations and advantages of this research approach
25:01 –
27:25 How to use this concept to select efficient cows on your own ranch
27:26 – 29: 51 Wrap up and conclusions