Lactating leeches management points

Under the influence of natural light, the littering period is approximately the same before and after May 1st. The amount of milk produced by leeches is also very high. The average daily milk production of a female quail is 28.8 g and the maximum milk yield is 32.2 g. The daily consumption of a quail puffer is 4.1 g. In general, a female quail can Breastfeeding 6 to 7 babies. With the increase of age, the milk consumption of Aberdeen requires an increase, and the amount of milk produced by the mother quail increases, and the quantity of feed required is increased and the quality is increased. Therefore, it is necessary to increase the amount of fat in the feed mix, while considering diversification, appropriate increase in eggs, liver, intestines, milk or milk powder, minced meat and fish bones. The main points are as follows:

1. Pay attention to the characteristics before labor: The appetite of the mother-in-law declines before the childbirth, and the womb pulls the abdominal hair to make a nest, and it is unnerving to walk around. At this time, the feed should be diluted and the amount of feed should be reduced by one-fifth. Observe the observation at night and check carefully in the morning.

2. Correctly determine the health coefficient of the litter size: whether the litter size is mainly based on the sound of the baby in the litter box and the fetal stool of the female slaughterhouse after the female slug walks out of the nest. First use the grass in the nest box to pick up the hand, and then check the number of litter to determine whether it is healthy. Healthy Aberdeen's body is dry, develops evenly, and the body is warm. It is held in the corner of the nest box. It is struggling with strength in the hands, and the body is compact and ruddy. If the lanugo body is damp, the body is scattered and crawled around, indicating that the baby is physically weak. Weakness, and the difference in the size of the larvae and larvae indicate that the quality of breast milk is poor and malnutrition. Nutrition of the puerpera should be increased in time and milk powder should be added. After every 2 to 3 days, check once to find out any changes.

3. Increased rations in a timely manner: The postpartum changes in females are relatively large. The appetite of mother-in-law returns to normal after about one week. The amount of breastfeeding for puppies increases with the age, and should be adjusted according to the number of litters and the age of the mother and the amount of females. Increasing the amount of feed, especially after 10 days of age, requires increasing daily feed intake. Under normal circumstances, a female parent can breastfeed 6 to 7 babies on average, and it is necessary to scientifically calculate the relationship between the proportion of various nutrition and the total amount, and pay special attention to increasing the amount of fat.

4. Feeding for 3 weeks after childbirth: When the baby darling is about to open her eyes, she will start to feed her mother's feed into the nesting box. The mothers of some mothers will not feed their eggs to the nest, nor will they feed on the nests. If the feed is not satisfied, there will be biting and biting of each other, which should be checked and manually added to meet the needs of Aberdeen.

5. Hygiene, weaning split litter: 4 weeks post-natally, squinted eyes can be crawled out of the nest and eat together with their mothers. Some females still feed into the nest and feed in every corner. They should be picked up promptly. Maintain cleanliness inside and out of the cage, to about 300 grams of Aberdeen, about 45 days of age weaning litter.

Catalysts can induce chemical reactions to change and make chemical reactions faster or slower. Catalysts are also called catalysts in industry. The composition, chemical properties and quality of the catalyst did not change before and after the reaction. It mainly includes solid acid-base catalyst, molecular sieve catalyst, metal catalyst, metal oxide and metal sulfide catalyst, and complex catalyst.

1. Acid-base catalysts: Petroleum refining and petrochemical industry are the largest application fields of catalysts, occupying an important position in the national economy. Acid catalysis plays an important role in petroleum refining and petrochemical industry. Solid acids are further divided into Blans Te Um (B acid) and Lewis acid (L acid). Typical solid base catalysts: MgO, CaO, SrO2, etc; typical solid L acid catalysts: AlCl3, FeCl3, etc.

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