Broiler Breeder Production by S Leeson, J D Summers

By S Leeson, J D Summers

A accomplished evaluate of all elements of business creation structures, this e-book presents an up to date examine broiler breeder creation and administration. beginning with really expert genetic courses as constructed through the first breeders and finishing with chapters on useful, hands-on elements of breeder administration, the source comprises large assurance of healthiness administration, feeding platforms, environmental regulate, lighting fixtures courses, and female and male copy. spotting the range of administration platforms around the world, it comprises breeders in either temperate and hot climates in addition to managed surroundings as opposed to curtain-sided housing platforms.

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The potential advantages to AI are greater use of superior males and better fertility, while the associated cage environment usually means reduced feed intake and cleaner eggs. The disadvantages to AI under large scale commercial production are maintaining efficiency and interest of insemination crews, while cages per se have distinct limitations for heavy breeders related to foot pad condition and ease of feed allocation. Semen collection: It is not really known why the normal manual manipulation of the rooster produces semen because the process in no way mimics natural mating.

Proceedings First International Symposium on the Artificial Insemination of Poultry. Publ. A. 50 Lighting CHAPTER 3. 5 LIGHTING PAGE NO. Basic principles of light stimulation................................ 50 Performance under natural lighting................................ 53 Programs for growing pullets.......................................... 58 Programs for roosters..................................................... 60 Commercial lighting programs........................................

1996) indicate that the decline in fertility usually seen with older hens is associated with a decline in the number of sperm penetrating the germinal disc following a standard insemination procedure. Interestingly, fertility of hens was improved when they were mated to older roosters (64 vs 39 weeks age) and again this improved fertility was correlated with more sperm penetration. This data unfortunately is 34 Reproduction contrary to industry practice of spiking new males into a flock at around 40 weeks of age.

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