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ADAPTIVE CAPACITY IN DUTCH BREEDS OF PIGS IN THE KUBAN

Abstract

Adaptive capacity has been studied in imported sows of the following Dutch breeds under the conditions of Kuban industrial farming: Landrace (L), Duroc (D), and crosses Landrace x Yorkshire (L x Y). Experiments have shown that hematological factors in the imported animals varied within normal range. Nevertheless, a slightly elevated white cell count in imported animals (L, L x Y, and D) by 0.46, 0.41 and 0.21x109/l respectively as compared to local pigs (KB), indicates some “stress” and disturbance in the immunity function. Further, slight elevation of erythrocyte count in imported breeds 6.87х1012/l, 6.75х1012/l and 6.82х1012/l against 6.22х1012/l also indicates some internal processes of immune system stabilization. Total protein content in the blood serum was rather high and uniform in all breeds. Elevated . - globulin faction indirectly shows stress in the imported animals, which may result from abrupt change in feeding, housing and environmental conditions. Besides, our study has established that natural resistance is higher in indigenous KB breed. Thus, phagocytic activity in KB breed was higher by average 2.8%, phagocytic count by 5.6%, phagocytic capacity by 2.3%, and by phagocytic index by 6.8%. The value is more pronounced in the area- specific animals of the KB breed. At the same time, the index may be substantially leveled if stable indoors conditions preserved (23°C). We consider R. Benezra’s approach which takes into account the breathing rate, the most unbiased method of evaluation of adaptive capacity in animals to certain environmental conditions. Therefore, imported Dutch breed animals have high adaptive capacity and satisfactory pass acclimatization in the Kuban region under industrial farming conditions.

About the Authors

Vladimir Anikeevich Pogodayev
ФГБОУ ВПО «Северо-Кавказская государственная гуманитарно-технологическая академия»
Russian Federation


Grigory Vasilyevich Komlatsky
ФГБОУ ВПО «Северо-Кавказская государственная гуманитарно-технологическая академия»
Russian Federation


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Review

For citations:


Pogodayev V.A., Komlatsky G.V. ADAPTIVE CAPACITY IN DUTCH BREEDS OF PIGS IN THE KUBAN. Russian Journal of Veterinary Pathology. 2014;(1):60-66. (In Russ.)

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ISSN 2949-4826 (Online)