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SM ISO690:2012 GRANACI, Vera, FOCŞA, Valentin, CURULIUC, Vasile, CIUBATCO, Valentina. Potențialul de manifestare a funcției de reproducție la populațiile de vaci de rasa Holstein exploatate în diferite zone pedoclimatice ale Republicii Moldova. In: Inovații în zootehnie și siguranța produselor animaliere – realizări și perspective: dedicata celei de-a 65-a aniversări de la fondarea Institutului științifico-Practic de Biotehnologii în Zootehnie și Medicină Veterinară, 30 septembrie - 1 octombrie 2021, Maximovca. Maximovca: "Print-Caro" SRL, 2021, pp. 165-174. ISBN 978-9975-56-911-8. |
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Inovații în zootehnie și siguranța produselor animaliere – realizări și perspective 2021 | |||||
Conferința "Inovații în zootehnie și siguranța produselor animaliere – realizări și perspective" Maximovca, Moldova, 30 septembrie - 1 octombrie 2021 | |||||
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The potential for manifestation of the function of the breeding apparatus (the duration of BR, SP, CI and the RCC) and the interrelationships between RCC and milk productivity indices (dairy duration, milk, fat and overall fat) on total and normal lactation corresponding to the origin and area of exploitation of Holstein cow populations was studded. The difference of duration of BR at the female HL-Prim origin, operated in the northern area, there is an inauthentic downward trend compared to the Dutch HL cows farmed in the southern area. SP duration has the highest value at the HL-Prim, exceeding by an inauthentic difference of 33.1 days (+17.4%) Dutch HL cows, while the maximum allowable limit shall prevail at least 2 times. The longest CI was established at the French HL-Prim cows, exceeding the Dutch HL (P˂0.05) with 67.3 days (15.5%). The duration of lactation of the French HL-Prim breed is higher (P˂0.01) by 71.8 days (19.7%) compared to Dutch HL, taking precedence over the maximum allowable value by 131.4 days (43.1%) and 59.6 days (19.5%) respectively. The most relevant results of RCC achieved in Dutch HL cows, exceeding those of French HL-Prim with an authentic difference (P˂0.05). Between the RCC at the investigated populations and the indices of milk productivity on total lactation was established the presence of high and very high negative correlational links and very weak and weak negative on normal lactation. |
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Cuvinte-cheie breast rest (BR), calving interval (CI), reproduction capacity coefficient (RCC), correlation, Cows population, service-period (SP), Holstein (HL) breed different origin |
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