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Формирование продуктивных признаков у свиней канадской селекции в процессе акклиматизации
2009
Medvedeva, K.L. | Malikov, I.S., National Academy of Sciences. Scientific and Practical Center of Animal Breeding (Belarus)
The comparative analysis of parameters of an estimation of own efficiency of animal Landrace and Yorkshire breeds of the Canadian selection and their descendants has shown, that young pigs of the first generation surpassed the parents in a daily average gain, and in too time conceded on body length and fat thickness
Mostrar más [+] Menos [-]Характеристика качества яиц кур кросса Беларусь аутосексный
2009
Sviridova, S.N. | Makhnach, V.S. | Dmitrieva, T.V., National Academy of Sciences. Scientific and Practical Center of Animal Breeding (Belarus). Belarus Regional Experimental Poultry Station
Into the programme hen selection of Belarus Autoseksnyj cross there was introduced the indeks of the so-called quality of eggs which is defined by removal defective on quality of a shell of eggs in 30 and 52-week age. The size of variability of an indicator of 16,0-25,4% and hehtability 0,3-0,4 allows to lead selection on increase in an exit of qualitative eggs. Influence on quality of eggs with defects of a shell of age of hens, intensity eggs, weights of eggs, a linear accessory is established
Mostrar más [+] Menos [-]Продуктивность свиноматок, разводимых в филиале Агрокомплекс Белая Русь ОАО Слуцкий КХП, в зависимости от породной принадлежности и количества опоросов
2009
Timoshenko, T.N., National Academy of Sciences. Scientific and Practical Center of Animal Breeding (Belarus) | Lazovskij, V.P., Agricultural complex Belaya Rus, Branch of JSC Slutsk Group of the Bread Producers (Belarus)
In the conditions of the Agricultural Complex Belaya Rus the highest productive values of sows are obtained in period of the fourth-sixths farrowings. The highest level of reproductive traits is shown by sows of Landrace and Belorusian meaty breeds
Mostrar más [+] Menos [-]Влияние хряков мясных пород канадской селекции на откормочные и мясосальные качества помесного молодняка
2009
Fedorenkova, L.A. | Batkovskaya, T.V. | Yanovich, E.A., National Academy of Sciences. Scientific and Practical Center of Animal Breeding (Belarus)
Usage of boars of meat breeds Yorkshire, Duroc and Landrace of Canadian selection for crossing them with cross and pure breeds of sows promotes increase of fattening and meat-fat productivity of the obtained hybrids. The best parameters of feeding efficiency the hybrid young growth of combinations (BMхL)хL and (BMхL)хD at which the age of achievement of alive weight of 100 kg and a daily average gain has made 177,2 day (P less than 0,001) and 803 g (P less than 0,001), 179,5 day (P less than 0,001) and 801 g (P less than 0,001), differed at expenses of a forage of 3,38-3,40 fodder units accordingly
Mostrar más [+] Menos [-]Репродуктивные качества свиноматок в системе переменного скрещивания
2009
Dojlidov, V.A. | Lobatskij, A.K., Vitebsk State Academy of Veterinary Medicine (Belarus)
The analysis of data on a complex of reproductive qualities crossing sows has shown, that the combinations used in the classical scheme of variable crossing have appeared are less effective in comparison with the combinations including foreign meat breeds. It is recommended to change the traditional scheme of variable crossing, having excluded from it the Belarus black-motley breed and having entered foreign breeds of L and D and also to use hybrid male pigs (D x P)
Mostrar más [+] Menos [-]Генетический профиль хряков плановых пород по гену IGF-2 и его влияние на мясо-откормочные качества потомства
2009
Loban, N.A., National Academy of Sciences. Scientific and Practical Center of Animal Breeding (Belarus)
The influence of polymorphism of gene IGF-2 on feeding and meat qualities of pigs of Belarusian Large White breed was studied. It is established, that frequency of presumptive preferable allele Q gene IGF-2 reaches 0,75-0,98% at boars of meat breeds and 0,34% - at Belarusian Large White breed. The young boars of breed with genotype QQ authentically surpass the analogues with a genotype qq on development, and feeding young pigs – on meat-feeding to qualities. Gene IGF-2 it is possible to consider as genetic marker of growth rate of pigs of the Belarusian Large White breed
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