How to use the high efficiency of breeding pigs
Hyaluronic Acid For Skin, Sodium Hyaluronate is well known as the best [Natural Moisturizing Factor". For Hyaluronic Acid Cream . In the early 1980s, the excellent moisturizing function of Sodium Hyaluronate has been widely concerned by
international cosmetics industry. With its unique film-forming and hydrating
characteristics, Hyaluronic Acid Powder Cosmetic Grade is used as a highly effective humectants in
cosmetics. It attracts moisture to the skin and hold moisture in the skin,
which preserve skin smoothness, suppleness and elasticity. 1 gram of Hyaluronic Acid Powder Cosmetic Grade is able to retain up to 1000 gram of
water. So it is regarded as the [key to the fountain of youth".
The effects are as follows:
(1) Moisturizing effect
Specification
Test Items
Standard
Appearance
White powder
Hyaluronic
Acid
≥95%
Molecular
weight
800Kda-2000Kda
PH
6.5-8.0
Solution
transmittance
≥99.0%
Loss on drying
<10%
Protein
≤0.05%
Dynamie
viscosity
Measuned value
Heavy metal
<20ppm
Bacterial
counts
<100cfu/g
Mold and Yeast
<10cfu/g
Staphylococcus
aureus
Can not be
checkout
Chlorop seu
domonas
Can not be
checkout
Shelf Life
Two Years
Conclusion
The results
meet the USP standard
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The breeding performance of young pigs after breeding began to increase. When they reached the age of 2 to 3 years, it was the period with the highest fertility. Since then, with the increase of age, sexual function has gradually declined until sexual failure.
Modern pig production generally implements a balanced breeding of breeding pigs throughout the year. Commercial pigs are listed in slaughter in batches. Cost accounting is used to calculate the best economic benefits. It is an era of asking for money from pigs. Therefore, in terms of reproduction, it is necessary to control the best breeding stage, and to use it for strength. When reproductive performance declines, it should be eliminated in time.
Breeding characteristics of breeding pigs The advantages of young pigs are: 1 to 3 years old boars have strong libido, fast sexual reflexes, good semen quality, high conception rate, flexible body, strong limbs, and less limbs disease; The pigs had 1 to 6 fetuses with obvious estrus symptoms, high fertility rates, and a high number of births, and a strong and robust pig. The pigs had strong viability and rapid growth, and the sows had high continuance of production and strong nursery abilities.
The disadvantage of old breeders is: Decrease in fertility. Older boars have poor libido, slow sexual reflexes, heavy body weight and bulkiness (up to 3,504 kilograms for large species), inflexible extremities often accompanied by limb and foot disease, and poor ability to breed. Although the oldest sows have a lot of herds but have poor feeding ability, there are often individuals with little or no milk, and the body is bulky and easy to press. The abdominal muscles are loose. When the side is nursing, the lower row is 2 A ~3 nipples are difficult to expose. No one helps. Newborn pigs have difficulty eating milk. In addition, the offspring of older pig breeders are poor in their ability to live, have slow growth and development, and often have poor offspring individuals due to genetic mutations.
Problems in the use of breeding pigs Modern pig production uses young and middle-aged pigs. In general, boars use 2 to 3 years, and sows use 5 to 6 children. Individuals with excellent reproductive performance can use 7 to 7 pigs. 8 tires. In this way, the ratio of renewal and replacement of breeding pigs is relatively large, and they are mostly kept between 25% and 35%. Therefore, one will increase the breeding costs of reserve breeding pigs, and the second will affect the production performance of the herd due to the increase in the proportion of sows to 2 sows to the sow herd.
The solution is to obtain the breeding fee for reserve breeding pigs from the improvement of overall economic efficiency; to strengthen the cultivation of reserve breeding pigs, to increase the fertility of sows from 1 to 2 births of sows; to adopt comprehensive technical measures to increase the production level of pigs and to make rational use of breeding pigs.
Moisturizing is the most important effect of Sodium Hyaluronate in cosmetics products. It can be hydrated shell
in skin surface and make the corneum hydration and softening. Compared with
other humectants, Sodium Hyaluronate is less effected by the environment as it
has the highest hygroscopic capacity in a relatively low humidity (e.g., in a
dry winter), but has the lowest hygroscopic capacity in a relatively high
humidity (e.g., in a damp summer). This unique property of Sodium Hyaluronate
makes the skin adapt to different seasons.
(2) Skin nutrition effect
Sodium Hyaluronate is the inherent biological materials of skin. The exogenous
Sodium Hyaluronate can complement the endogenous Sodium Hyaluronate. Low molecular Sodium Hyaluronate can
penetrate into dermis directly to improve the nutrient supply.
(3) Skin repair effect
There is some evidence that topically applied Sodium Hyaluronate can reduce
skin irritation
from various causes. During clinical trials it was also shown that this
ingredient is effective in promoting healing and fighting inflammatory
conditions of the skin. Sodium Hyaluronate serves as a free radical scavenger
and antioxidant, helping to protect the skin from the aging effects of
excessive sunlight exposure.
(4) Emollient and Film-forming
Sodium Hyaluronate is high polymer with high lubrication and film-forming.
Sodium Hyaluronate contained in cosmetics creates protective film on the
surface of skin, which retains moisture, and at the same time prevents moisture
in the skin from evaporation, so that improves freshness of the skin.
(5) Thickening
Sodium Hyaluronate solution have
high viscosity, and 1% solution is gelatinous. It can be added to cosmetics to
improve the thickening and stability.
