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Nothing has been purpose designed or made. There are no separate compartments or pockets for different materials. There is nothing to protect glass bottles, nor plastic from being crushed. Falling isn't uncommon and the rucksack quite often takes the brunt of the weight. Leakage is a common problem. Paul's bag is stained by leaks from one of the solutions he uses. The straps dig into the shoulders. There isn't any additional protection to prevent that. Nor is there anything to cushion the equipment from digging into the paravet's back. With a weight of 5 kilos, and for some as much as 7-8 kilos, that can be painful and very uncomfortable over a distance. There is nothing to lock the drugs away. They may have to leave the rucksack somewhere whilst they go to treat an animal so there is nothing to stop innocent children tampering with the drugs. One thing they often mention is the fact that they tend to combine business with other jobs. So they may well want to carry other things e.g. products bought from the market, as well as their equipment. They cannot put the two things together as they want to keep their equipment as clean as possible. Therefore a dual-purpose carrier would be advantageous. They sometimes want to carry another person on the rack of the bike. With a rucksack on their back, that is difficult. The current backpacks are not usually waterproof. They may be made from canvas and can withstand showers but not heavy rain. Tablets can get wet, cotton wool soaked. Their records and reference papers also suffer.
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