With the promotion and popularization of cryopreservation and cold-mixing technology, the county beef cattle crossbreeding and the local yellow cattle improvement work have been greatly promoted. More than 100,000 cows of each year will participate in breeding. However, due to the use of improved semen bull frozen semen and native cattle produced hybrid calf birth weight 50-100% higher than the local cow, resulting in significantly increased the chance of cows causing childbirth. In order to ensure the safe delivery of both mother and child, the author will introduce how to perform the confinement and midwifery techniques for delivery cows as follows.
1. Note Prenatal rectal examination of cattle during pregnancy is generally about 280 days. About two weeks before the birth of the cow, the fetus will be converted from a fetal position to a childbirth stage. During this transformation, when the cow is standing still, careful observation can reveal obvious fetal movement. Fetal potential, fetal position, fetal orientation is normal, only through rectal examination can be determined in the pelvic cavity or pelvic cavity, can reach the fetal buttocks; tail front, can reach the fetal buttocks; finger thick In the anterior uterus, the arteries have obvious gestational beats. In order to timely and accurately grasp the changes in the prenatal fetus, it is best to check once every 3-5 days, and be aware of it.
2. Prepare for Midwifery as early as possible according to cow's childbirth signs. Before the cows are born, as the fetus matures and the maternity period approaches, the cow's reproductive organs and certain parts of the body are physiologically and morphologically. A series of changes have taken place to accommodate the need for fetal delivery and yak breastfeeding. Such as relaxation, expansion of the birth canal, development of the breast, and enlargement of the breast. According to these changes, it is possible to predict the time of delivery, and the feeding staff can prepare for delivery and midwifery in advance. About 10 days before the cows are born, the cows should be transferred to the delivery room or where they are ready for delivery and access to midwifery, so that special personnel can be provided for feeding and nursing. When predicting childbirth, it cannot be based on a single symbol and requires a comprehensive systematic observation before a more accurate judgment can be made. 1 Cow genital changes cows 1-2 weeks before delivery, labia Begin to gradually increase, congestion, soft and loose, wrinkles disappear, left and right tail, the vulva is easy to crack open, vaginal mucous membrane flushing, more obvious when lying down.
2 Changes in the breasts When cows enter the middle and late stages of pregnancy, under the action of estrogen and progesterone secreted by the ovaries and placenta, the mammary glands and breasts gradually develop and the breasts enlarge. In the immediate vicinity of childbirth, due to the action of prolactin, it begins to secrete colostrum, making the breast bigger, the nipple ruddy, and the surface appearing waxy, thick and hard, and swollen and filled with milk. Some cows stood still when they were in childbirth, and there was an automatic dripping of milk. During the recumbency, the cows suffered more from the abdominal wall.
3 Changes in the cervix Before the cows were born, the cervix became thicker and looser and softer. The mucous plug of the closed cervical canal is softened, and becomes thick and thin and smooth, showing a transparent strip, which flows into the vagina and is eliminated from the body.
4 Changes in the pelvic ligament At the end of the cow's gestation, the ligament was softened. Therefore, the cow had lacunae on both sides of the tail root 10 to 15 days before delivery, and 3-5 days before delivery. Obviously increased.
Midwifery personnel can actively prepare for the delivery of cows, midwifery medicines, and mechanical items according to the signs of cows' birth. Once the cow becomes mentally uneasy, it starts to lie down, loses appetite, sleeps when it is eaten, loses appetite, stops when it is eaten, stands uneasy, and looks around. When the feces and urine are frequently excreted, the contractions begin and the childbirth enters the first phase.
3. Take appropriate midwifery measures with regard to the degree of dystocia occurring in cows Cow birth is a normal physiological process. Under normal circumstances, the fetus can be safely removed without intervention or assistance. At this time midwifery personnel must monitor and care for good livestock. When the fetal head and the two forelimbs are exposed outside the vulva, and the amniotic membrane has not yet ruptured, the amniotic membrane can be torn immediately to expose the fetal nose and prevent suffocation. When the cow appears to stand and give birth, the baby should be supported with both hands to prevent it from falling. When all the fetuses have been produced, the conscientious and midwifery staff should immediately dry the mucus on the nose with a dry cloth or towel, and disinfect the umbilicus at a distance of 4-5 cm from the umbilicus. Dry the entire coat or dry the cow. Because the pelvis diameter of the cow is small, narrow, and the pelvic axis is formed with a tortuous arc, as well as abnormal fetuses, the dystocia phenomenon is more common than other livestock.
When dystocia occurs, it is first necessary to make sure that the cow's birth canal is inspected to check whether the birth canal is narrow, dry, edematous, or damaged, the degree of cervix opening (cervical cervix incomplete opening is more common), pelvic birth canal deformity, Tumors and so on. Pay attention to the color and smell of the fetal water. Check the fetus, the extent to which it enters the birth canal (positive or inverted), the position of the fetus, the orientation and orientation of the fetus and determine the life and death of the fetus, and then determine the method of midwifery.
When you are born, put your index finger into the mouth of the fetus or gently pull the tongue; if there is an inverted, you can put your finger into the anus, it is best to touch the umbilical cord, if there is sucking, contraction or other reaction or obvious umbilical cord beat, Explain that the fetus is alive, and care should be taken to protect the fetus during midwifery. If the fetus has died, midwifery may disregard the fetal injury.
In short, there are many kinds of cows that are difficult to deliver and they are also more complicated. Therefore, in order to give birth or midwifery, the workers are required to take advantage of the situation, and in addition to saving the cows and the fetus, they must also pay attention to the breeding ability of the breeding stock. It is necessary to try to avoid infection and damage to the cow's birth canal, especially when using the device. In order to prevent unnecessary accidents from happening, both mother and child safety can be achieved.
1. Note Prenatal rectal examination of cattle during pregnancy is generally about 280 days. About two weeks before the birth of the cow, the fetus will be converted from a fetal position to a childbirth stage. During this transformation, when the cow is standing still, careful observation can reveal obvious fetal movement. Fetal potential, fetal position, fetal orientation is normal, only through rectal examination can be determined in the pelvic cavity or pelvic cavity, can reach the fetal buttocks; tail front, can reach the fetal buttocks; finger thick In the anterior uterus, the arteries have obvious gestational beats. In order to timely and accurately grasp the changes in the prenatal fetus, it is best to check once every 3-5 days, and be aware of it.
2. Prepare for Midwifery as early as possible according to cow's childbirth signs. Before the cows are born, as the fetus matures and the maternity period approaches, the cow's reproductive organs and certain parts of the body are physiologically and morphologically. A series of changes have taken place to accommodate the need for fetal delivery and yak breastfeeding. Such as relaxation, expansion of the birth canal, development of the breast, and enlargement of the breast. According to these changes, it is possible to predict the time of delivery, and the feeding staff can prepare for delivery and midwifery in advance. About 10 days before the cows are born, the cows should be transferred to the delivery room or where they are ready for delivery and access to midwifery, so that special personnel can be provided for feeding and nursing. When predicting childbirth, it cannot be based on a single symbol and requires a comprehensive systematic observation before a more accurate judgment can be made. 1 Cow genital changes cows 1-2 weeks before delivery, labia Begin to gradually increase, congestion, soft and loose, wrinkles disappear, left and right tail, the vulva is easy to crack open, vaginal mucous membrane flushing, more obvious when lying down.
2 Changes in the breasts When cows enter the middle and late stages of pregnancy, under the action of estrogen and progesterone secreted by the ovaries and placenta, the mammary glands and breasts gradually develop and the breasts enlarge. In the immediate vicinity of childbirth, due to the action of prolactin, it begins to secrete colostrum, making the breast bigger, the nipple ruddy, and the surface appearing waxy, thick and hard, and swollen and filled with milk. Some cows stood still when they were in childbirth, and there was an automatic dripping of milk. During the recumbency, the cows suffered more from the abdominal wall.
3 Changes in the cervix Before the cows were born, the cervix became thicker and looser and softer. The mucous plug of the closed cervical canal is softened, and becomes thick and thin and smooth, showing a transparent strip, which flows into the vagina and is eliminated from the body.
4 Changes in the pelvic ligament At the end of the cow's gestation, the ligament was softened. Therefore, the cow had lacunae on both sides of the tail root 10 to 15 days before delivery, and 3-5 days before delivery. Obviously increased.
Midwifery personnel can actively prepare for the delivery of cows, midwifery medicines, and mechanical items according to the signs of cows' birth. Once the cow becomes mentally uneasy, it starts to lie down, loses appetite, sleeps when it is eaten, loses appetite, stops when it is eaten, stands uneasy, and looks around. When the feces and urine are frequently excreted, the contractions begin and the childbirth enters the first phase.
3. Take appropriate midwifery measures with regard to the degree of dystocia occurring in cows Cow birth is a normal physiological process. Under normal circumstances, the fetus can be safely removed without intervention or assistance. At this time midwifery personnel must monitor and care for good livestock. When the fetal head and the two forelimbs are exposed outside the vulva, and the amniotic membrane has not yet ruptured, the amniotic membrane can be torn immediately to expose the fetal nose and prevent suffocation. When the cow appears to stand and give birth, the baby should be supported with both hands to prevent it from falling. When all the fetuses have been produced, the conscientious and midwifery staff should immediately dry the mucus on the nose with a dry cloth or towel, and disinfect the umbilicus at a distance of 4-5 cm from the umbilicus. Dry the entire coat or dry the cow. Because the pelvis diameter of the cow is small, narrow, and the pelvic axis is formed with a tortuous arc, as well as abnormal fetuses, the dystocia phenomenon is more common than other livestock.
When dystocia occurs, it is first necessary to make sure that the cow's birth canal is inspected to check whether the birth canal is narrow, dry, edematous, or damaged, the degree of cervix opening (cervical cervix incomplete opening is more common), pelvic birth canal deformity, Tumors and so on. Pay attention to the color and smell of the fetal water. Check the fetus, the extent to which it enters the birth canal (positive or inverted), the position of the fetus, the orientation and orientation of the fetus and determine the life and death of the fetus, and then determine the method of midwifery.
When you are born, put your index finger into the mouth of the fetus or gently pull the tongue; if there is an inverted, you can put your finger into the anus, it is best to touch the umbilical cord, if there is sucking, contraction or other reaction or obvious umbilical cord beat, Explain that the fetus is alive, and care should be taken to protect the fetus during midwifery. If the fetus has died, midwifery may disregard the fetal injury.
In short, there are many kinds of cows that are difficult to deliver and they are also more complicated. Therefore, in order to give birth or midwifery, the workers are required to take advantage of the situation, and in addition to saving the cows and the fetus, they must also pay attention to the breeding ability of the breeding stock. It is necessary to try to avoid infection and damage to the cow's birth canal, especially when using the device. In order to prevent unnecessary accidents from happening, both mother and child safety can be achieved.
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