A.I. Kuznetsov

Dynamics of changes in sows with different stress sensitivities

energy content and reproductive function in the organism under conditions of intensive technology

• Broschiertes Buch

Produktbeschreibung

In the book, for the first time, using the turpentine method for determining stress sensitivity, based on the peculiarities of the manifestation of the local adaptation syndrome, a comparative characteristic of changes in the body of energy-plastic substances and the productivity of sows with different stress sensitivity in connection with their age under conditions of intensive use is given. Reproductive function in stress-resistant sows with age under conditions of intensive use increases up to the third farrowing inclusive. During the first three reproductive cycles, it increases by 2.4-22.4%. From the fourth farrowing, productivity decreases and reaches its lowest values during the sixth cycle. In stress-sensitive sows, reproductive performance is lower than in stress-resistant sows. During the first three reproductive cycles, they increase less by 2.5-23.7%. From the fourth reproductive cycle, the level of productivity in stress-sensitive and stress-resistant queens becomes equal, as a result of a more intense decrease in the values of the determined indicators in resistant animals. After the sixth farrowing in stress-resistant uterus, they were lower than in stress-sensitive uterus.

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Produktdetails

• Verlag: Our Knowledge Publishing
• Seitenzahl: 72
• Erscheinungstermin: 23. November 2021
• Englisch
• Abmessung: 220mm x 150mm x 5mm
• Gewicht: 125g
• ISBN-13: 9786204285351
• ISBN-10: 6204285351
• Artikelnr.: 63037313

Autorenporträt

Kuznetsov Alexander Ivanovich FGOBU VO Universidad Agraria del Estado de los Urales del Sur, profesor, doctor en ciencias biológicas.