Pig Industry - Reflux in the artificial insemination - Genetics


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01/07/2006

Engormix.com
Argentina

Reflux in the artificial insemination

do I Have a doubt on the effects of the reflux exeso during and after the IA in sows of the Iberian race, did he/she want to know like it affects in the fertility and prolificidad..?

03/07/2006

Jaime Francisco Phan Lung Goicochea
Peru

Hello. The reflux is always common, but in little quantity. Mainly I have observed that one gives for the temperature of the seminal content, the form how it is inseminated (not located correctamnete the catheter or sending the very quick seminal dose). Good, in connection with the fertility and proliferidad it influences in that, to smaller volume, less quantity of espermatoziodes with capacity of fecundating.

03/07/2006

Marco Antonio Salazar Padilla
Mexico

I Agree with the colleague from the Peru in the influence of the temperature of the semen on the reflux, since in our experience this is bigger when the semen is applied cold that when it is applied hot (around 35 to 37 degrees Celsius), as well as regarding the placement of the catheter. However, there are other factors of great influence that they should be considered, as the time lapsed from the detection of the zeal until the application of the doses where the ends can cause reflux (early or late). Another very important factor is the stimulation of the sow during the insemination: females little stimulated will spread mostly to redound the semen that those stimulated appropiately (sire to the front, placement of saddlebags, cinchos or the operative's cavalcade, feromonas use in spray, two-phase technique of insemination, speed of application of the dose, etc.). As for their impact in the reproductive parameters, there are enough evidences that indicate us that it is more important the opportune application of the doses (anything new) that the quantity of applied sperms, since with 500 million sperms for dose the same results can be gotten, and inclusive better that those obtained with the conventional technique. Clearing is that in these cases we speak of intra-uterine or post-cervical insemination (like it is preferred to call) where is applying only the 16 of the content of a conventional dose. This is equal to that therefore it should not have problem some if we get by means of a conventional insemination that the sixth part of the fluid only arrives to the uterus (valid condition for comparison, if we only consider like cause of the reflux the temperature of the semen or the placement of the catheter). With this I don't want to underrate the ingerencia of the reflux like causal of reproductive flaw, but rather we should consider it as an indicative of a bad insemination quality, or, like I reflect of other errors of handling of the foot of breeding and, to obtain results of supreme quality it is necessary to have handlings of supreme quality. Greetings.

04/07/2006

MARK ANTONIO JACHO LOPEZ
Spain

Greetings. I agree completely with the colleagues. However, the most important factor in the insemination is not neither the quantity neither the properly this technique of the insemination, but the good moment of the insemination, that is to say, to achieve that as much the ovum as the sperm are in the oviduct to its appropriate age of maturity. For that which, the most important thing considers, it is the detection of zeal.

04/07/2006

MANUEL SANCHEZ OF THE VAQUERA
Spain

Greetings. I have little experience in the topic, but at the beginning he/she had a lot of reflux with you prevail them nervous and with detection of zeal A.M. Now inseminate in cold (25 ºC), and the detection of zeal tries to make it well, and I don't inseminate any sow that doesn't allow to put on saddlebags or be nervous. As for the technique, in Iberian we have to stimulate the sow well in front with the hog.
Without more, cordial greetings from the Drop Extremadura.

05/07/2006

Leto Ignacio Echevarría
Argentina

I Believe that the most important thing to diminish the reflux is that the sow has good uterine contractions, and for it is indispensable that he/she has a frank zeal that is calm, and trust the personnel that is with her, and that it is motivated by a padrillo during the insemination. The patience and calm of the operator is fundamental, especially in the conventional technique that is where the dose more inseminante depends on the aspirations that it generates the sow for its transport.

05/07/2006

Roberto Martínez Rodríguez
Mexico

Who says to have less experience it is who more it hit upon in its comment, in my view, certainly. It is absolutely more frequent the reflux when the sow is not well stimulated and free of tension, fear or pain. There is a proportion of sows that you/they are shown restless, and that they take one or two minutes in responding to the external stimuli. Indeed, it is necessary to wait to that those sows show the reflection of immobility to proceed to inseminate them. Yes it influences the temperature, but the stimulation before, during and after the insemination it is crucial, and in that sense, in answer to the original question, yes it would affect the productivity, although it would be also a topic to thoroughly investigate.

05/07/2006

yolanda ospina lopez
Colombia

All the information that the participants have contributed me in the forum, is of great utility for me. I will put into practice all the suggestions, since in my farm many abortions and repetitions are presenting.

06/07/2006

Leto Ignacio Echevarría
Argentina

Dear Yolanda, I would make a good study of the reproductive illnesses that you can have in your farm, because the abortions are not justifiable inside the handling square that we are speaking.

06/07/2006

Heriberto Pañeda Macias
Mexico

Greetings, Yolanda.
All the poured advice are very good and they are supplemented. However, it can be that still following all them, one has reflux. The following thing is not excessively: when it is presented, detén the application for some seconds, at the same time gives a soft massage to the clitoris with the yolk of the index finger and thumb, this estímula the oxitocina production that favors the uterine contractions and a better spermatic transport. On the other hand, the advice of Leto Ignacio is very opportune, does it also verify the environment, feeding and a sampling serológico of the sires.

06/07/2006

yolanda ospina lopez
Colombia

thank you for its advice.
Fact the one bled, leptospirosis was detected.
What do they advise me for the handling of this illness?

07/07/2006

Manuel Jesua Bohrque4z Pattern
Spain

The reflux problem in swinish is important because it reduces the fertility drastically. According to impressions that I have exchanged with a German partner, it is corrected inseminating to the sow in slope, and recovering the vagina with pig shortening. A greeting.

07/07/2006

Leto Ignacio Echevarría
Argentina

in the first place, we should know what leptospira serovares you found, and to what holding, since to be indicative of illness we should be up of 1/5000, and they are necessary several samplings in the same animals to see in what address the values oscillate. Holding below 1/500 they are not significant. Regarding the control of the illness, you can make it with environmental measures of disinfection, the use of antibiotics for via parenteral or in the food, and the application of bovine with the serovares that are acting. It is a problem that, with the due measures, it is controlled perfectly.

07/07/2006

arturo abelardo king ceron
Mexico

A greeting to all the colleagues that are devoted to the Pig Industry, and mainly to the artificial insemination. With regard to the reflux of the semen in the inseminated sows, in my labor experience it has not influenced the reflux a lot, finally they are the sows, but I want to recommend that for a good insemination it is necessary to take before into account all the factors mentioned by the colleagues, but something important once the catheter aplicador is already well screwed, the enough time should be expected so that it lowers the semen for graveness and this way not to have reflux, because there is even this way him, because the tapioca that he/she leaves the hog is not.
This is a problem that one always faces, but I have not seen that it affects the since fertility a good application it is the result to the childbirth, a quick and hurried insemination, and also injecting or making a lot of pressure in the flask that contains the semen, will always have reflux, for that reason it is necessary to make it to it more calmed and patient always.

08/07/2006

henry alfonso
Colombia

Greetings. My name is David, student of M.V. Not you much of the topic, but he/she wanted to ask two things: first, if you have articles on the correct way of inseminating, how to stimulate and that type of things that they can provide me. Second, if it is advisable previous the insemination to use endogenous Oxitocina in low dose to stimulate the uterine contractions, or if on the contrary criminal can be in the reproductive handling of the sows? Thank you.

08/07/2006

miguel angel Palestinian rdz
Mexico

Hello colleagues and friends that live off the Pig Industry. The answer is already this, and I reiterate that to be able to avoid the reflux we need to detect the moment of the ovulation and power to calmly inseminate, without pressing the bottle or bag, with its due time and stimulation. According to my experience, there are sows with normal reflux, since I have studied the different times of application of the semen in them and they return him. This is a normal phenomenon since the sires physiologically for that reason ejaculate with the plug to avoid that, but provided they are inseminated on time, there is a success in the size of the litter. Greetings colleagues, bye.

10/07/2006

fulvio arcia
Panama

Dear colleagues: I agree, either for natural zeal or synchronization. I also consider fundamental two things: the male's presence is a stimulant so that this stays still, and on the other hand it is good to stimulate the lumbar area previously simulating the male's weight, and also to play the vulva before introducing the catheter, that facilitates an insemination with effectiveness, besides the other parameters. After the insemination to carry out the same procedure that is carried out in the cow, to rub the genital area to cause uterine contractions and this way to avoid reflux of semen.

11/07/2006

Pedro Married Garcia
Spain

Dear Mayra:
The reflux of the semen during and after the insemination, it can be due to different reasons. The first thing is to make sure a good detection of zeal. Second, the insemination type that you use. If you inseminate with the traditional technique, depositing the semen in the cérvix, you should inseminate inversely with a relationship proportional between the time and the temperature. If the dose puts it hot (37ºC) you can inseminate quicker, and if you use it at 15ºC you should inseminate more slowly. The one that reflux exists, depends on the moment in that he/she takes place and the quantity of semen that is discarded. If he/she takes place in the moment to inseminate, he/she will be getting lost spermatic load, and therefore it is easy that he/she gets lost partial or totally the capacity fecundante of that seminal dose.
A greeting.

Pedro Married Garcia
INIA - Madrid

11/07/2006

mayra gómez
Spain

Hello friends.
Thank you for the information, it is very useful for me, and some restlessness I will already be writing them.
Up to now, good-bye.

26/08/2006

yolanda ospina lopez
Colombia

good afternoon Leto Ignacio:
their advice were very useful to solve the problems of my farm. The prescribed food has been giving for two months, and the whole reproductive facility was injected, and until the moment they have been good results, they have improved the repetitions, they have not presented abortions again, and you went up the parición rate. The only thing that I would like to consult him is why the sows wean they are entering in zeal before the 5 days. I would like to know their opinion in this respect.
Thank you.

Yolanda

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