There are a couple of solutions taking the standard bolus and turning it into a connected pH sensor to monitor cattle health:<p><a href="https:&#x2F;&#x2F;connect.innovateuk.org&#x2F;documents&#x2F;3285671&#x2F;6079410&#x2F;Smart+Sensor+to+Improve+Cow+Health.pdf&#x2F;7a583c15-2d62-4916-b830-f84c7eb57ffc" rel="nofollow">https:&#x2F;&#x2F;connect.innovateuk.org&#x2F;documents&#x2F;3285671&#x2F;6079410&#x2F;Sma...</a><p><a href="http:&#x2F;&#x2F;www.cambridgewireless.co.uk&#x2F;Presentation&#x2F;ConnectedDevices_22.01.13_DavidTegerdine_TTP-WellCow.pdf" rel="nofollow">http:&#x2F;&#x2F;www.cambridgewireless.co.uk&#x2F;Presentation&#x2F;ConnectedDev...</a><p><a href="http:&#x2F;&#x2F;www.wellcow.co.uk" rel="nofollow">http:&#x2F;&#x2F;www.wellcow.co.uk</a><p><a href="http:&#x2F;&#x2F;www.ecow.co.uk" rel="nofollow">http:&#x2F;&#x2F;www.ecow.co.uk</a>