In this video we learn how to use the penn state particle separator and related calculations to determine the feed particle size and TMR uniformity are explained.
Consuming a sufficient amount of fiber in ruminant diets with a suitable physical form is necessary to provide sufficient saliva in ruminants, in addition to the consumption of fiber, the size of the fiber also stimulates rumination and saliva production be In the diet of high-yielding cows, minimum physicallyeffective- fiber should be provided so that the animal does not suffer from metabolic abnormalities including acidosis.
In recent years, to regulate the position of the abomasum and prevent some abnormalities metabolic, diets are used (TMR). do, the way of crushing the completely mixed ration and the size of the fodder particles play an important role in the effectiveness of this ration.
Penn State Particle Separator (PSPS)
Determining the size of fiber particles was very difficult before the invention of the penn state particle separator. This separator determinethe size of diet particles easily.
Purpose of use PSPS
The purpose of using this tool is to check the uniformity in the size of TMR particles to avoid of sorting of diet and thus prevents acidosis and ultimately improving animal health.
PSPS Sampling
0/5 kilogram of TMR is takenas a sample of 3 different points (initial, middle and end) Of bunker and after weighing, is poured into the upper sieve, and then we shake the sieve 5 times in each direction at a uniform speed, and we do this twice so that the total number of sieve movements is 20 times. After that, we weigh the amount of feed remaining in each sieve separately and determine the weight ratio of each sieve, and then compare it with the standard values below , and in case of discrepancy, we contact the nutrition consultant.
- Upper sieve 2 to 8 percent
- Middle sieve 30 to 50 percent
- Lower sieve 20-10 percent, bottompan 30 to 40 percent
The number is recorded and archived in an excel file.
The relevant calculations are explained in detail in this training video.
The use of penn state particle size (psps) is essential in dairy farms. Dairy cows must have a sufficient amount of fiber material of a specific physical size to provide adequate saliva in ruminants. In addition to the amount of fiber consumed, the size of the fiber pieces is the factor that stimulates rumination and saliva production. In the diet of high-yielding cows, minimum effective fiber should be considered so that the animal does not suffer from metabolic disorders, including acidosis. In recent years, TMR is used in dairy feeding to regulate the pH of the rumen and prevent some metabolic abnormalities, especially to maintain the pH of the rumen at an optimal level. This is a good way to have perfectly mixed forage and the right particle size shape in TMR.