1 Cow's milk does not have the vitamins babies need. 2  There is generally no need to give your breastfed baby water, juice or other foods in the first 6 months. 3  Breastfeeding should ideally continue for at least 12 months, and as long after that as both mother and baby want to keep on nursing.t a year old, formula-fed babies can switch to whole cow's milk. It is important to use whole milk, because children under two years old need fat for brain development. One-year-old breastfed babies will benefit from continuing to nurse, for as long as both mother and baby are happy with the arrangement.
Disadvantages of Radio Advertising. 1  Because radio listeners are spread over many stations, you may have to advertise simultaneously on several stations to reach your target audience. 2  Listeners cannot go back to your ads to go over important points. 3  Ads are an interruption in the entertainment.4  Radio is a background medium.isadvantages of Radio Advertising. 1  Because radio listeners are spread over many stations, you may have to advertise simultaneously on several stations to reach your target audience. 2  Listeners cannot go back to your ads to go over important points. 3  Ads are an interruption in the entertainment.
4. High Cost: Another practical disadvantage of using nuclear energy is that it needs a lot of investment to set up a nuclear power station. It is not always possible by the developing countries to afford such a costly source of alternative energy.uclear Energy. Nuclear energy is a rare form of energy. It is the energy stored in the center or the nucleus of an atom. After we bombard the nucleus into two parts, two different elements are formed along with the emission of high energy. The process generally followed is called fission.