1 材料与方法
1.1 试验地点及饲养管理
1.2 试验材料
1.3 试验设计
1.4 埋栓
1.5 发情鉴定
1.6 人工授精
1.7 妊娠诊断
1.8 数据统计分析
2 结果与分析
2.1 同期发情程序在发情季节和非发情季节效果分析
表1 罕山白绒山羊在不同季节同期发情处理后的同期发情率和发情时间分布Table 1 Estrus synchronization rate and estrus time distribution of Hanshan white cashmere goats after estrus synchronization treatment across different seasons |
| 项目Items | 同期发情率Estrus synchronization rate/% | 发情时间Estrus time/h | ||||
|---|---|---|---|---|---|---|
| 12 | 24 | 36 | 48 | 60 | ||
| 非繁殖季节Non-breeding season/只 | 95.71(67/70) | 0 | 3 | 38 | 25 | 1 |
| 繁殖季节Breeding season/只 | 97.22(70/72) | 0 | 6 | 47 | 17 | 0 |
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表2 罕山白绒山羊在不同季节同期发情处理后的妊娠率和产羔率Table 2 Pregnancy rate and lambing rate of Hanshan white cashmere goats after synchronization of estrus treatment in different seasons |
| 项目Items | 非繁殖季节Non-breeding season | 繁殖季节Breeding season | |
|---|---|---|---|
| 适时输精Timely artificial insemination | 妊娠率/% | 68.66(46/67)b | 87.14(61/70)a |
| 产羔率/% | 64.18(43/67)b | 81.43(57/70)a | |
| 定时输精Timed artificial insemination | 妊娠率/% | 60.66(74/122)b | 79.17(95/120)a |
| 产羔率/% | 57.38(70/122)b | 74.17(89/120)a | |
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2.2 输精程序在发情季节和非发情季节效果分析
表3 罕山白绒山羊不同输精程序处理后的妊娠率和产羔率Table 3 Pregnancy rate and lambing rate of Hanshan white cashmere goats following different insemination protocols |
| 项目Items | 适时输精Timely artificial insemination | 定时输精Timed artificial insemination | |
|---|---|---|---|
| 非繁殖季节Non-breeding season | 妊娠率/% | 68.66(46/67) | 60.66(74/122) |
| 产羔率/% | 64.18(43/67) | 57.38(70/122) | |
| 繁殖季节Breeding season | 妊娠率/% | 87.14(61/70) | 79.17(95/120) |
| 产羔率/% | 81.43(57/70) | 74.17(89/120) | |



