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Showing posts with label sperm production. Show all posts
Showing posts with label sperm production. Show all posts
Friday, April 22, 2016
BOAR FEEDING AND REPRODUCTIVE HEALTH.
In pig farming the major aim is to produce large litter sizes that are healthy with high reproductive capacity.The success in pig farming is hinged on genetics as the pig cannot exceed the genetic capacity hence a good genetic line is chosen.
Housing and management also influences the outcome of venture, proper housing and animal management is another crucial point. The major key to success is feeding programme,the animals must have access to good quality feed ,balanced and readily available.
The importance of feed in the boar cannot be overemphasized as the quality of sperm produced will set the genetic track for the farm. When preparing the feed,you need to ensure that all ingredients that will ensure the following are available; proper muscle development, proper bone development and production of high quality and quantity of sperm.
The feed should provide the necessary daily feed intake which must contain dietary energy and protein, additives and vitamins such as organic selenium, vitamin E, zinc, biotin, vitamin C.
The breeding boars must be mature animals, so also must the to sows. An underweight or overweight boar or sow will often result in breeding failure,hence feeding should be monitored. Boar libido unlike sperm production, cannot be easily manipulated by changing dietary protein and energy levels but its a known fact only prolonged conditions of over-feeding or under-feeding, and excessive extreme cases of body condition change, can negatively impair boar libido.
Scientific research proves that protein and amino acids lysine and methionine + cystine, play an important role in sperm production. In particular, the sulphur-containing amino acids methionine/cystine affect the secretory activity of the epididymis, thus significantly enhancing sperm volume.
This effect is very marked in intensively used boars, where sperm production has been shown to be positively influenced when extra protein and methionine was added to the diet. Protein combined with adequate energy intake is very crucial for optimal sperm production.
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