Stir them often with a wooden spoon.
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One-sentence summary -- Heat the olive oil in a soup pot over medium heat until the oil is shimmering. Add the leek and the garlic cloves and cook them for 3 minutes or until they are slightly softened. Sprinkle the garlic and leeks with salt and pepper. Add the fennel, celery, carrots, and spices into the pot and cook them for about 5 minutes, making sure to stir them often so that the vegetables don't caramelize. Add the tomato paste and cook for 1 more minute. Whisk together the wine and the saffron threads in a small bowl. Add the wine and saffron mixture, the orange peel and 3-1/2 cups of vegetable broth to the pot. Simmer the soup base for 25 minutes, until the vegetables are soft when you pierce them with a fork. Remove the soup pot from the heat and cool the soup for 5 minutes.

It can be a trigger for diseases such as toxemia, or can scare the sow so she doesn't want to eat or drink. For these reasons stress should be minimized as much as possible. Reduce exposure to loud noises or bright lights. Keep her away from direct sunlight. Establish a daily routine with set times and stick to it, to provide consistency Make any changes as early as possible in the pregnancy, when the stress will have less of an effect on the sow. Reduce handling to minimal levels. During the last two weeks of pregnancy, do not handle the sow. Instead, coax her onto a towel or into a box. It's very important to check on your guinea pig several times a day, ideally every three to four hours. Each time you check, make a mental note of how much water she has drunk and how much food she has eaten. This allows you to gauge what is normal, so that if she becomes unwell and stops eating, or becomes very thirsty, you will pick up clues early on. If the sow becomes uninterested in food contact your veterinarian immediately. The vet will assess the guinea pig's condition. They may prescribe treatment that includes injections of dextrose solutions, steroids and calcium, which may or may not be effective. Loss of appetite can also be a symptom of pregnancy toxemia. Check her for signs of illness (e.g. crusty eyes/nose/ears or a thinning/patchy coat) and weigh her. In the last two to three weeks of pregnancy, do not handle the sow. Instead, coax her onto a towel or into a box. The sow should gradually put on weight. How much depends on the size of the litter, but her weight should never begin fall. If you have any concerns, do not hesitate to get to a vet. Grooming usually requires a lot of handling, so reduce to minimal levels during pregnancy. If the sow is long haired, cut all of her hair short (especially around her rear end) towards the end of the pregnancy as the sow will find it harder to clean herself and the hair may become knotted or dirty. Do not bath the sow during pregnancy. It will be too stressful for her. Continue to allow her 'floor time' or to graze outside. Reduce handling by coaxing her into a box or onto a towel to move her. It is important to keep her active to prevent obesity and keep a healthy blood flow, but do not chase her or force her to exercise as pregnancy, particularly large litters, puts pressure on the circulation in guinea pigs and they are prone to heart attacks.
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One-sentence summary -- Pregnant guinea pigs are particularly vulnerable to illness as a result of stress during pregnancy. Monitor her eating and drinking habits. Give the sow a thorough check over twice a week. Limit grooming during pregnancy. Continue to exercise the sow.

Avoid single-serve or individually wrapped items. Shop at stores that have bulk dispensers for grains, nuts, dried fruits, and snacks. Bring your own plastic bag or container to put the bulk food in. And try to buy bulk sizes of food or sanitary products, which saves on packaging. When buying produce at the grocery store, avoid packing the product in an extra plastic bag if it isn't necessary. Vegetables such as potatoes, onions, peppers, tomatoes, beets; and fruits such as bananas, apples, plums, and melons shouldn't require an extra bag. Instead of buying canned soup or pasta sauce, read up in a cookbook how to prepare them at home. Practice "precycling" by only buying products whose materials can be recycled. Take durable canvas or synthetic-fiber bags, a backpack, or a basket with you to the store, enough to hold whatever you plan on buying. These can usually be bought at the stores themselves. A heavy-duty plastic bag that you use multiple times can serve the purpose almost as well. Disposables contribute large amounts of waste to our environment. They include things like plastic forks, knives, plates, and cups. They also include things like diapers and razor blades. Instead of buying items that you'll throw away after using them, buy items that you can use again and again. For example: Instead of using disposable diapers, try cloth diapers or nappies. You will have to clean them more often, but you'll reduce waste. Get a razor with replaceable blades rather than a disposable razor. You'll still have to throw the old blades away, but you'll save the plastic handle. For picnics, serve with re-usable plastic or wooden plates, cups, and utensils instead of disposable paper or plastic ones. Turn off or unplug any electrical appliances that aren't being used, such as the TV, radio, stereo, computer, lights, or chargers for cellphones or mp3 players. Try to wash clothes by hand, and dry them outside as much as possible. And if you purchase appliances, such as dishwashers, washing machines, and dryers, choose ones that are rated with the Energy Star classification. Replace all incandescent lightbulbs with Energy-Star-rated compact fluorescent lightbulbs (CFLs), which can save you $6 in energy costs per year. Try towel drying your hair instead of blow-drying it. If it is cold inside your residence, just put on a jacket or sweater instead of turning up the heat. Try to reduce your shower time to between 5 and 10 minutes. Turn off the water when shampooing or scrubbing. Take fewer baths as well, since they can consume more water than a short shower. When you brush your teeth, turn off the faucet between soaking and rinsing the brush. If you're receiving junk mail, call the sending company's 800 number, usually found on the offer or order page, and ask to be removed from their mailing list. Request electronic bill instead of paper ones for all your utilities, member dues, and other periodical payments. You can choose this when signing up for an account. If you are already receiving paper bills, it is not too late to change. Access your account online or by phone, and see if you can switch to electronic bills instead. Try to walk, bike, or take public transit to school or work. If possible, invest in an electric or hybrid vehicle--these options are more fuel-efficient and emit less carbon into the atmosphere. Organize carpools with your neighbors or co-workers to reduce fossil fuel use. Choosing a residence as close as possible to your place of work will reduce both your commute time and energy consumption. Escalators and elevators are convenient, but sometimes they are not necessary, especially if you only have to travel 1 or 2 floors. Not only will taking the stairs save electricity, but you'll also get some exercise in. You also won't have to wait in line. Escalators and elevators cost money to run. By taking the stairs, you may see lower prices (if you're at a shopping center) or a higher salary (if you're at an office building). There are instances where taking escalators or elevators may be necessary, such as if you have an injury, a bad knee, or need to get to the 24th floor.
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One-sentence summary --
Buy products with less packaging. Take a reusable bag with you shopping. Do without disposables. Cut down on electricity use. Use less water. Stop junk mail and paper billing. Consider alternative transportation. Take the stairs.