Hog growth

Hog growth rate

The period of 70-180 days is the fastest growing period for hogs, which is the most critical period for the growth of hog body weight. 75% of hog body weight should be completed within 110 days, and the average daily weight gain should be 700 to 750 grams. The daily weight gain of 25 to 60 kilograms of body weight should be 600 to 700 grams, and that of 60 to 100 kilograms should be 800 to 900 grams. That is, from the time of bred to the best slaughter weight, this stage accounts for 68.47% of the total pig feed consumption, which is also an important period for the pig farmer to obtain the best economic benefit. To this end, modern feeding and management techniques should be adopted to increase daily weight gain and feed utilization, reduce production costs, and increase economic efficiency.

Growth of pork tissue

With the increase of age, the content of water and ash in the carcass of lean pigs decreased significantly, and the protein only decreased slightly. After 50 kg of live weight, the fat increased rapidly. From the 2nd to 3rd month after birth, the weight of the bones is 30-40kg. It is a period of strong growth, and the muscle fibers also begin to grow at the same time. When the live weight reaches 50-100kg, fat begins to deposit in large quantities. The growth of pigs is given a high level of nutrition in the early stage. Attention should be paid to the amino acid content and biological value of the diet to promote the rapid development of bones and muscles. Proper feeding restrictions will reduce fat deposition, reduce feed wastage, and improve carcass quality. And succulent.

Changes in Chemical Composition of Hog Organs

With the changes in body tissues and weight gain of pigs, the chemical composition of pigs also changes with regularity. With the increase of age and weight, the body's relative content of water, protein and ash decreases, while the relative amount of fat It is growing rapidly. After 45 kg of lean-type pigs, protein and ash are fairly stable.

After mastering the growth and development of pigs, it is possible to control nutrient levels at different stages of their growth and to accelerate or inhibit the growth and development of certain parts and tissues of the pigs so as to change the pig's body structure, production performance and carcass structure, and carcass quality. .


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