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Full-Text Articles in Animal Sciences
The Economics Of Milk Quality Management Practices And Milk Pricing In Simulated United States Dairy Herds, Derek Thomas Nolan
The Economics Of Milk Quality Management Practices And Milk Pricing In Simulated United States Dairy Herds, Derek Thomas Nolan
Theses and Dissertations--Animal and Food Sciences
Mastitis is considered one of the most common and costly diseases in the dairy industry. Intramammary infection status at a herd level is measured using somatic cell count (SCC). Understanding the total cost of an elevated somatic cell count can help influence dairy farmers to lower SCC and select management practices to produce higher quality milk. The first objective of our research was to determine if the cost of an elevated somatic cell count to farms can be decreased through the adoption of management practices with varying expenses. Using stochastic simulation modeling, the adoption of three differently priced management practices …
Impact Of Observed And Controlled Water Intake On Reticulorumen Temperature In Lactating Dairy Cattle, Melissa C. Cantor, Joao H. C. Costa, Jeffrey M. Bewley
Impact Of Observed And Controlled Water Intake On Reticulorumen Temperature In Lactating Dairy Cattle, Melissa C. Cantor, Joao H. C. Costa, Jeffrey M. Bewley
Animal and Food Sciences Faculty Publications
Dairy precision technologies helps producers monitor individual animals. Reticulorumen temperature boluses are a way to monitor core body temperature; however, factors such as water intake affects reticulorumen temperature. This research determined the effect of natural water intake and a controlled water drench on reticulorumen temperature (RT) in dairy cattle. In observational study part 1, tie- stall cows (n = 4) with RT transponders were observed for natural water intake (recorded by in line water meters) for 48 h. In experiment part 2, a randomized Latin square design with cows (n = 12) restricted on feed for 4 h, …
Comparing Dairy Farm Performance And Heat Stress Abatment Strategies In The United States Using Summer To Winter Ratios, Jenna M. Guinn
Comparing Dairy Farm Performance And Heat Stress Abatment Strategies In The United States Using Summer To Winter Ratios, Jenna M. Guinn
Theses and Dissertations--Animal and Food Sciences
Heat stress abatement is a challenge for producers in the United States, especially in the southern states. Dairy producers could benefit by having a simply metric to measure heat stress abatement strategies with the goal of motivating improvement in heat stress management. Managing heat stress is key to ameliorating the effects on dairy cow performance. A study was performed to explore the use of a heat stress metric called the Summer to Winter performance ratio (S:W ratio), to quantify and compare farm performance variables among regions of the United States. Summer to Winter ratios were closest to 1.0 in the …