Hog Growth Rate
The period between 70 to 180 days is the fastest growth phase for hogs, making it the most critical time for weight gain. Approximately 75% of the total body weight should be achieved within the first 110 days, with an average daily gain of 700 to 750 grams. For pigs weighing between 25 to 60 kg, the daily weight gain should be around 600 to 700 grams, while for those in the 60 to 100 kg range, it should reach 800 to 900 grams. This stage accounts for about 68.47% of the total feed consumed during the entire growing period and is also a crucial time for maximizing economic returns. To optimize this phase, modern feeding strategies and management techniques should be applied to improve daily weight gain, enhance feed efficiency, and reduce overall production costs, ultimately boosting profitability.
Growth of Pork Tissue
As pigs age, the water and ash content in their carcasses decrease significantly, while protein levels decline only slightly. Once the live weight reaches 50 kg, fat accumulation begins to accelerate rapidly. Between the second and third months after birth, bone weight typically increases to 30-40 kg, marking a period of rapid development. During this time, muscle fibers also start to grow. When the live weight reaches 50-100 kg, fat deposition becomes more pronounced. Providing adequate nutrition in the early stages is essential for promoting healthy bone and muscle development. Attention should be given to the amino acid profile and biological value of the diet. Implementing controlled feeding practices can help manage fat accumulation, minimize feed waste, and improve both the quality and tenderness of the meat.
Changes in the Chemical Composition of Hog Organs
As pigs grow and gain weight, the chemical composition of their bodies changes in a predictable manner. With increasing age and weight, the relative levels of water, protein, and ash in the body decrease, while fat content rises sharply. After reaching 45 kg, lean-type pigs show more stable levels of protein and ash. Understanding these changes allows farmers to adjust nutrient levels at different growth stages, influencing the development of specific tissues and organs. This helps shape the pig's body structure, improve productivity, and enhance carcass quality and yield.
By mastering the growth patterns and physiological changes in pigs, farmers can make informed decisions that lead to better performance, higher meat quality, and greater economic returns. Proper feeding, monitoring, and management are key to achieving optimal results throughout the entire growth cycle.
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