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Lightweight deep learning enhances sow farrowing supervision

Researchers from China evaluated a lightweight deep learning-based approach for supervision of sow behaviour preceding and during farrowing.

Sow farrowing requires supervision to accurately detect issues such as dystocia, piglet suffocation, and excessively low temperatures. Early detection of farrowing problems and proper interventions increase the average number of live born piglets per sow per year. They also the improve piglets’ health and performance. Manual inspection is time-consuming, labour-intensive, and highly subjective. Therefore, there is an increasing need for automatic supervision. Computer-vision technology based on lightweight deep learning is a persistent, non-invasive method that allows rapid processing of sow farrowing video data.

Data collection

The team selected 35 sows in the perinatal period and their piglets for this trial. They installed cameras in the farrowing rooms above the farrowing crates and recorded the pigs for 24 hours. The researchers used the YOLOv5s-6.0 network structure to build a model to detect 4 sow postures including lateral lying, sternal lying, standing, and sitting and the newborn piglets.

The algorithm was deployed on the embedded artificial-intelligence computing platform of the Jetson Nano series. The team used indices such as the precision, recall rate, and detection speed to assess the performance of different algorithms. In addition, they assessed the generalisation ability and the anti-interference ability of the model in 4scenarios: complex light, the time of the first piglet’s birth, different colours of heat lamps, and turning on heat lamp at night.

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Making budget friendly pig feed on a small livestock farm

Video: Making budget friendly pig feed on a small livestock farm

I am going to show you how we save our farm money by making our own pig feed. It's the same process as making our cattle feed just with a slight adjustment to our grinder/ mixer that makes all the difference. We buy all the feed stuff required to make the total mix feed. Run each through the mixer and at the end of the process we have a product that can be consumed by our pigs.

I am the 2nd generation to live on this property after my parents purchased it in 1978. As a child my father hobby farmed pigs for a couple years and ran a vegetable garden. But we were not a farm by any stretch of the imagination. There were however many family dairy farms surrounding us. So naturally I was hooked with farming since I saw my first tractor. As time went on, I worked for a couple of these farms and that only fueled my love of agriculture. In 2019 I was able to move back home as my parents were ready to downsize and I was ready to try my hand at farming. Stacy and logan share the same love of farming as I do. Stacy growing up on her family's dairy farm and logans exposure of farming/tractors at a very young age. We all share this same passion to grow a quality/healthy product to share with our community. Join us on this journey and see where the farm life takes us.