The factors of a flock itself
The flocks of different growth stages have different feed utilization rates, such as chickens that are low in chicken height. The difference between individual chickens also differs in feed utilization.
The scientific formula of the second feed formula
When formulating feed, only a variety of nutrients (such as energy, protein, amino acids, vitamins, minerals, etc.) can meet the nutritional needs of the chicken, and the best ratio can be achieved to maximize the utilization of feed; It will inevitably lead to waste of feed nutrients.
Processing and storage of three feeds
The same feed has different nutritional values ​​due to different processing methods. Such as machine-pressed cakes have lower levels of protein extracted from sputum, and high temperatures may also denature proteins, thereby reducing nutritional value. The longer the feed is stored, the lower the nutritional value of the feed, and the mildew and deterioration of the feed, and even the occurrence of animal diseases.
Four feed factors
Different types of feed have different nutrient digestibility. Soybeans contain anti-nutritional substances such as antitrypsin, saponin and hemagglutinin. These substances will affect their digestion and utilization and some physiological and biochemical processes of chicken. If heated properly, anti-nutritional substances can be destroyed. The colza cake contains glucosinolates, which are hydrolyzed by mustard enzymes to produce toxic substances such as thiocyanate or oxazolidine. These two compounds can affect energy metabolism and feed conversion ratio. Other feed ingredients (such as valleys) Solid, green fodder, grass powder, feather meal, blood meal, etc. also contain some unfavorable factors affecting feed utilization.
Five breeding environment and stress
The feeding environment of the flock, such as temperature, humidity, ventilation, light, and the content of harmful gases in the air, may cause chicken stress, thereby reducing feed utilization.
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