種兔繁殖力的高低與經營者的經濟收益有著密切關系，要普遍提高一個兔場的兔群質量，優良種兔建議能提供大量的仔兔，以不斷更新低產種兔群。繁殖性能主要是指受胎率、產仔數、初生窩重、斷奶窩重和仔兔成活率。

The reproductive capacity of breeding rabbits is closely related to the economic benefits of operators. To generally improve the quality of a rabbit herd in a rabbit farm, excellent breeding rabbits must be able to provide a large number of offspring to continuously update the low yield breeding rabbit herd. Reproductive performance mainly refers to conception rate, litter size, newborn litter weight, weaned litter weight, and rabbit survival rate.

受胎率系指1個發情期內受胎母兔數與參加配種母兔數的百分比。

The conception rate refers to the percentage of female rabbits conceived within one estrus period compared to the number of female rabbits participating in mating.

受胎率=發情期內配種受胎母兔數/參加配種母兔數×

Fertility rate=number of female rabbits conceived during mating period/number of female rabbits participating in mating ×

產仔數是指母兔的每胎實際產仔數，包括活仔、死胎和畸形胎數。產仔數在一定程度上體現了母兔產仔的潛在能力。從生產角度出發，則僅僅計算產下的活仔數來表示母兔的產仔能力。初生窩重是指全窩仔兔哺乳前的體重，主要用來表明整窩仔兔在胚胎期的生長發育情況。據測定，母兔配種時的體重與初生窩重有著密切關系，其相關系數γ=0.871，表明體重大的母兔，妊娠期間胚胎生長發育也良好，初生窩重也大。

The litter size refers to the actual number of births per litter of a female rabbit, including live, stillborn, and malformed births. The litter size to some extent reflects the potential ability of female rabbits to litter. From a production perspective, only the number of live offspring produced is calculated to represent the litter size of the mother rabbit. The newborn litter weight refers to the weight of the entire litter of rabbits before breastfeeding, mainly used to indicate the growth and development of the entire litter during the embryonic stage. According to measurements, there is a close relationship between the weight of female rabbits during mating and the weight of their newborn litter, with a correlation coefficient γ= 0.871 indicates that the mother rabbit with a large body weight has good embryonic growth and development during pregnancy, and the weight of the newborn litter is also large.

斷奶窩重是指整窩仔兔的斷奶體重，包括寄養仔兔。斷奶窩重既反映了斷奶時的仔兔存活數，又反映了仔兔在哺乳期內的生長情況，因此是評定母兔哺育性能的總指標。

Weaning weight refers to the weaning weight of the entire litter of rabbits, including those in foster care. The weaning litter weight not only reflects the number of surviving rabbits at weaning, but also reflects the growth of young rabbits during lactation. Therefore, it is the overall indicator for evaluating the feeding performance of mother rabbits.

仔兔成活率是指斷奶仔兔數與開始哺乳時仔兔數的百分比。

The survival rate of young rabbits refers to the percentage of weaned rabbits compared to the number of rabbits at the beginning of lactation.

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