1

Size: px

Start display at page:

Download "1"

炖通储
4 years ago
Views:

1 1

2 2

3 3

4 USA 美国 Canada 加拿大 Farms 农场 Avg sow inventory 平均母猪库存 Farrowing rate 分娩率 Total Born 总产仔数 PigCHAMP, 2011 USA Benchmarking summary 312 farms with 1533 sows avg. inventory (~478,000 sows) 4

5 5

7 LH 黄体生成素 FSH 卵泡刺激素 Follicle 卵泡

8 E2 8 h LH 30 h OV E2 GnRH LH Estrus 发情期 Soede et al JRF 101:

9 C (n =10) or 200 g 12 h (n =10) Archibong et al, 1987

10 Weaning 断奶 d 1 d 2 d 3 d 4 d 5 d 6 d 7 OV 排卵期 OV 排卵期 OV 排卵期 OV 排卵期 OV 排卵期 10

11 Weaning 断奶 d 1 d 2 d 3 d 4 d 5 d 6 d 7 OV 排卵期 OV 排卵期 OV 排卵期 OV 排卵期 OV 排卵期 11

Synchronization of follicles 卵泡同步 Gilts 后备母猪 MATRIX +/-PG600 GnRH 96 h 120 h Timed AI at 18-30 h Semen

12 Synchronization of follicles 卵泡同步 Gilts 后备母猪 MATRIX +/-PG600 GnRH 96 h 120 h Timed AI at h Semen Technology h 精液技术定时人工授精 Ovulate 排卵 Fertilized eggs 受精卵 =embryos 胚胎 =fetuses 胎儿 Sows 母猪 Weaning 断奶 -+/- PG600 12

13 Commercial trial in summer for weaned sows treated as Control, TG-96 (intravaginal Triptorelin at 96 h post-weaning and AI at 8 and 32 h) and TG-E (intravaginal Triptorelin at onset of estrus and AI at 2 and 26 h). 在夏季以断奶母猪做试验, 处理包括对照 TG-96( 阴道 Triptorelin 断奶后 96 小时, 8 和 32 小时 AI) 及 TG-E( 发情时阴道内 Triptorelin,2 和 26 小时 AI) Control 对照 TG-96 TG-E P Value P 值 Sows allotted to treatment 母猪配发至治疗 Sows inseminated within 7-d from weaning 母猪断奶 7 日内人工授精 Estrus within 7 d of weaning 断奶 7 日内发情 (%) Duration of estrus 发情持续期 (h) Number of sows farrowing 分娩母猪数 Total pigs born/litter 总仔猪 / 窝 Knox et al., Therio 75:308-19;

Follicle size 卵泡大小 <6.5 mm Follicle size 卵泡大小 6.5 mm P Value P 值 Sows 母猪 43 82 Estrus within 7 d of weaning 断奶 7 日内发情 (%) 69.8 96.3 <0.0001 Sows ovulating by 44 h 44h 内母猪排卵 (%) 16.3 59.8 <0.

14 Follicle size 卵泡大小 <6.5 mm Follicle size 卵泡大小 6.5 mm P Value P 值 Sows 母猪 Estrus within 7 d of weaning 断奶 7 日内发情 (%) < Sows ovulating by 44 h 44h 内母猪排卵 (%) < Ovulate within 8 days of weaning 断奶 8 日内排卵 (%) < Interval from weaning to ovulation 断奶到排卵间隔 (h) < Sows farrowing 母猪分娩 (%) Total pigs born/litter 总仔猪 / 窝 Knox et al., Therio 75:308-19;

15 对照媒介 Ovulate by 48 h 48 小时内排卵, P<0.001 Control 对照 =46% Vehicle 媒介 =37% Ovugel =80% 排卵百分数处理后小时数 24 h Synchrony 24 小时同步性 Control 对照 = 58% Vehicle 媒介 = 60% Ovugel = 80% 15

Control 对照 Buserelin Parity 胎次 P2 P1 P2 P1 Weaned sows 断奶母猪 168 38 174 39 Estrus and AI 发情和人工授精 164 36 160 32 CAI 2 2 1 1 Unadjusted FR 未调整 FR 82 82% 81% 64% Adjusted FR 调整 FR* 84% (138/164) 86%

16 Control 对照 Buserelin Parity 胎次 P2 P1 P2 P1 Weaned sows 断奶母猪 Estrus and AI 发情和人工授精 CAI Unadjusted FR 未调整 FR 82 82% 81% 64% Adjusted FR 调整 FR* 84% (138/164) 86% (31/36) 88% (141/160) 78% (25/32) Total born 总产仔 *only includes estrus sows 只包括发情母猪 10 g/2.5 ml IM at for all sows 86 h post-wean and AI at 33 after treatment 对全部母猪断奶后 86 小时肌肉注射 10 g/2.5 ml 及处理 33 小时后 AI Driancourt et al., Therio xxx

17 Broekhuijse et al., 2011 Fietsma et al., 2011

18 Novak et Al. J. Androl : ; N=50/boar for gilts

19 PCAI or Intrauterine Artificial Insemination PCAI 或宫腔内人工授精 Uterus 子宫 Cervix 宫颈 Vulva 外阴 19

20 Watson and Behan, Theriogenology : , n = 3,230

AI IUI DIUI sows 母猪 5 5 5 Sperm 精子 x 10 9 3 1 0.

21 AI IUI DIUI sows 母猪 Sperm 精子 x Volume 体积 Reservoir Sperm 在储精子 2296a 729a 22b * Tummaruk and Tienthai 2010 Reprod. Dom. Anim. 45:

sows 母猪 165 165 Sperm 精子 3 2.4 Volume 体积 90 45 Doses 剂量 2.5 2.4 no effect on fertility Sbardella et al. Reprod. Dom. Anim. 2013 in press CAI PCAI P value P 值 FR 生育率 89.

22 sows 母猪 Sperm 精子 Volume 体积 Doses 剂量 no effect on fertility Sbardella et al. Reprod. Dom. Anim in press CAI PCAI P value P 值 FR 生育率 89.1% 91.5% ns TB 总仔数 ns Boar presence 公猪在场 yes no Difficulty in catheter passage 导管通过困难 (n) 0 96 Bleeding 出血 (n) 4 38 Backflow during AI 人工受精过程中返流 (n)

CAI PCAI1 PCAI2 n 1716 1664 1683 sperm 精子

0 Volume 体积 80 ml 40 ml 26 ml FR 82.3 86.

23 CAI PCAI1 PCAI2 n sperm 精子 Volume 体积 80 ml 40 ml 26 ml FR * TB * Hernandez-Caravaca et al., ARS 136(2012) 14-22

Mezalira et al., RDA 40:1-5 2005 0.25 x 10 9 0.5 x 10 9 1.0 x 10 9 sows 母猪 47 47 47 AI volume 人工受精体积 80 80 80 Backflow vol.

24 Mezalira et al., RDA 40: x x x 10 9 sows 母猪 AI volume 人工受精体积 Backflow vol. 返流体积 (%) 68% 64% 66% PR low Backflow 低返流 PR 79% 86% 89% PF High backflow 高返流 PF 58% 83% 71% Embryos low backflow 胚胎低返流 Embryos High backflow 胚胎高返流 No effect of treatment with 95% showing backflow 95% 返流则无处理效果 Low <15% and high >15% for sperm in backflow 返流中对精子来说低于 15% 则低, 高于 15% 则高 24

0.5 x 10 9 1.0 x 10 9 4.0 x 10 9 4.0 x 10 9 n 106 106 106 104 AI method 人工受精方法 PCAI PCAI PCAI CAI FR 78 x 87 xy 94 y 88 xy TB 9.

25 0.5 x x x x 10 9 n AI method 人工受精方法 PCAI PCAI PCAI CAI FR 78 x 87 xy 94 y 88 xy TB 9.4 x 10 yz 11 xy 11.6 x All sows AI at 12 and 24 h 全部母猪在 12 和 24 小时人工受精 Rozeboom et al., JAS 82:

Storage time 贮存时间 AIOV N PR Embryos 胚胎 (d 30 第 30 天 ) 0-48 0-12 55 93 a 14.1 a 13-23 33 92 a 14.2 a 24-30 18 86 a 13.

26 Storage time 贮存时间 AIOV N PR Embryos 胚胎 (d 30 第 30 天 ) a 14.1 a a 14.2 a a 13.2 a b 13.2 a b 14.3 a c 6.5 b No effect of extender 扩增器没有效果 Bennemann et al; RDA 40:507-10;

CAI DUI n 5 5 AI dose 人工受精剂量 3 x 10 9 150 x 10 6 Unilateral

27 CAI DUI n 5 5 AI dose 人工受精剂量 3 x x 10 6 Unilateral sperm 单侧精子 0 5 Reservoir sperm 在储精子 300,000 (n=1) 643 (n=1) Sperm recovery 精子恢复 0.01% 0.04% Sows with Embryos 有胚胎母猪 5 3 Embryos in both horns 双角内胚胎 5 3 Tummaruk et al. RDA 42:603-9;

28 Roca et al., Therio :77-87

Days to 113 kg 达到 113kg 的天数 Herd average 猪群平均 10% change 10% 的变化 $ value $ 值 1 SD 1 个标准差 $ value $ 值 180 d -18 d $50,544 13 d $36,504

29 Days to 113 kg 达到 113kg 的天数 Herd average 猪群平均 10% change 10% 的变化 $ value $ 值 1 SD 1 个标准差 $ value $ 值 180 d -18 d $50, d $36,504 Backfat 背膘 (mm) 20 mm -2 mm $28, mm $52,650 Safranski, 2008 Therio using NSF SD and calculated on 23,400 annual marketings ~1000 sow herd 29

3 billion sperm/dose 30 亿精子 / 剂 2 billion sperm/dose 20 亿精子 / 剂 1.5 billion sperm/dose 15 亿精子 / 剂 # sows 母猪数 10,000 10,000 10,000 # boars needed 所需公猪数 41 28 21 Avg.

30 3 billion sperm/dose 30 亿精子 / 剂 2 billion sperm/dose 20 亿精子 / 剂 1.5 billion sperm/dose 15 亿精子 / 剂 # sows 母猪数 10,000 10,000 10,000 # boars needed 所需公猪数 Avg. boar index value 平均公猪指数值 Value of index point/pig 指数点值 / 猪 Finishers /sow/year 生长猪 / 母猪 / 年 $ value$ 值 $162,000 $270,000 $/finisher $/ 生长猪

Boar 公猪 sows 母猪 FR TB Number of pigs produced 生猪生产数量 A 50 65 12.9 790 $7000 E 50 95 12.9 1100 $9800 J 50 96 13.1 1150 $10500 O 50 92 13.8 1120 $11000 T 50 95 13.3 1070 $10000 Y 50 89 12.

31 Boar 公猪 sows 母猪 FR TB Number of pigs produced 生猪生产数量 A $7000 E $9800 J $10500 O $11000 T $10000 Y $8800 DD $9000 II $7800 NN* $9900 *higher number of pigs produced 生猪生产数量较高 higher index value 指数值较高 Adapted from: Williams et al., Proc. A. D. Leman Swine Conf ; 2011 Value of pigs produced 生猪生产价值 31

32 32

CAPRI-IA Tours - i -

97 10 14 97 8 2 97 8 14 CAPRI-IA Tours - i - ... 1... 2... 11... 12... 13 - ii - (breeding soundness) PGF2α (ecg) 90% 230% 85% (season breeder) 9 2 3~6 CIDR PMSG PG (Baril et al., 1993 Fukui et al., 1993