Low rainfall in parts of England and Wales followed by hot weather is causing water levels in rivers to drop, endangering fish. Along the Wye and Usk rivers in mid and south Wales, hugely popular with anglers, the local rivers' trust has suspended all salmon and trout fishing, saying low river flows and high water temperatures are causing stress to the fish, and even killing them in some places. Over the past six months, Parliament's Environment, Food and Rural Affairs Select Committee has been taking evidence about the difficulties faced by people living in rural areas when it comes to accessing mental health services. This week the MPs held their final session, grilling health and environment ministers and officials. All this week we're taking a closer look at all aspects of the dairy industry. Making a small dairy herd profitable is tough, but adding value to the product can be one way of making it work. At Berkeley Farm near Swindon farmer Ed Gosling has acquired a fleet of six electric milk floats to deliver his milk to around three thousand homes nearby. Presented by Steffan Messenger and produced by Beatrice Fenton.