Highest fat content of milk
**Core Concept**
The question tests knowledge of the **composition of different types of milk**, specifically focusing on their **fat content**. Human milk, cow's milk, buffalo's milk, and goat's milk have varying levels of fat, which is crucial for infant nutrition and dietary considerations.
**Why the Correct Answer is Right**
Buffalo's milk has the **highest fat content** among the options, with approximately 7-8% fat. This is due to the **lipid metabolism** and **dietary habits** of buffaloes, which influence the **milk composition**. The high fat content in buffalo's milk makes it ideal for producing **ghee** and other dairy products.
**Why Each Wrong Option is Incorrect**
**Option A:** Human milk has a lower fat content, around 3-5%, suitable for infant nutrition.
**Option B:** Cow's milk contains about 3-4% fat, which is less than buffalo's milk.
**Option D:** Goat's milk has a fat content similar to cow's milk, approximately 3-4%.
**Clinical Pearl / High-Yield Fact**
Remember, the **fat content of milk** is crucial for both **infant nutrition** and **dietary planning** in various clinical conditions. Buffalo's milk, with its high fat content, is often used in **culinary practices** but may not be suitable for all patients, especially those with **high cholesterol** or **lactose intolerance**.
**Correct Answer:** D. Buffalo's milk