Bovine Reproduction. Группа авторов

Bovine Reproduction

83Figure 83.1 Shapes of Foley catheter balloon when inflated.Figure 83.2 Schematic of flush equipment set‐up.Figure 83.3 Stylet protruding through catheter.Figure 83.4 (a) Normal vs crooked cervix. (b) Cervical dilator tip.Figure 83.5 Normal anatomy.Figure 83.6 Underinflation.Figure 83.7 Overinflation and the occlusion of one horn.Figure 83.8 Correct catheter‐balloon placement allows flush media to flow fr...Figure 83.9 One horn can be held off to better fill the opposite horn.Figure 83.10 (a) and (b) Search bowls safely held in fast‐food containers an...Figure 83.11 (a) and (b) Proper position and inflation for “horn” flush.Figure 83.12 Uterus unicornis (segmental aplasia of the uterine horn).Figure 83.13 Y‐shaped cervix (one external os, but a separate opening to eac...Figure 83.14 Inverted Y cervix (there are two external os, but only one inte...Figure 83.15 Double‐barrel cervix.Figure 83.16 Dr. Edwin Robertson's “washout” technique.Figure 83.17 (a) and (b) Site of embryo deposition. CL, Corpus luteum.

69 Chapter 84Figure 84.1 Current protocols for estrus synchronization and TAI of beef cow...Figure 84.2 Current protocols for estrus synchronization and TAI of beef hei...Figure 84.3 Perception of the relative impact on fertility of recipients to ...Figure 84.4 Effects of hCG 1000 IU at embryo transfer on pregnancy rates at ...

70 Chapter 85Figure 85.1 A blastocyst‐stage bovine embryo.Figure 85.2 Normal embryonic development of bovine embryos.Figure 85.3 (a) Comparison of developmental stages of in vivo derived bovine...Figure 85.4 Unfertilized ova recovered non‐surgically from superovulated don...Figure 85.5 Degenerate bovine embryos collected on day 7: (a) and (b) are de...Figure 85.6 Day‐7 compact morula (a) adjacent to a degenerate embryo (b).Figure 85.7 Grade 2 compact morula. Note one large blastomere (arrow) has st...Figure 85.8 Grade 2 morula. Note several extruded blastomeres (arrow) to the...Figure 85.9 Grade 3 morula. Note embryonic cell mass on the right side (arro...Figure 85.10 Grade 4 morula. Note the small group of cells on the left side ...Figure 85.11 Embryos (a) and (b) are both IETS 6–1 embryos. Extruded cells i...Figure 85.12 The arrow points to a day‐7 grade 2 early blastocyst‐stage embr...Figure 85.13 Grade 1 compact morula with vacuoles (arrow) in the cytoplasm....Figure 85.14 Grade 2 bovine blastocyst containing vacuoles (arrow) in the cy...Figure 85.15 Collapsed early blastocyst with a cracked zona pellucida (arrow...Figure 85.16 Day 7 group of embryos collected from a single donor. Note the ...Figure 85.17 Day 7 compact morula. Note the crack in the zona pellucida (arr...Figure 85.18 Day 7 grade 1 bovine early blastocyst (a) with slightly irregul...Figure 85.19 Fragmented unfertilized ovum. Note the white blood cells (arrow...Figure 85.20 Day 7 early blastocyst (5‐1). Note the endometrial cells (arrow...Figure 85.21 Group of compact morula (a) and unfertilized ova (b) recovered ...Figure 85.22 An unfertilized ovum (a) and excellent‐quality compact morula s...Figure 85.23 An unfertilized ovum (a) and excellent‐quality compact morula s...Figure 85.24 A degenerating unfertilized ovum possessing a translucent regio...Figure 85.25 A group of 18 day‐7 ova and embryos recovered from a single don...Figure 85.26 A group of eight ova/embryos collected on day 7 from a single d...

71 Chapter 89Figure 89.1 (a) Ultrasound transducer with oocyte aspiration needle protrudi...Figure 89.2 Types of bovine oocytes collected from cattle ovaries prior to I...Figure 89.3 Comparison of early embryo development in vitro to in vivo.Figure 89.4 Comparison of biannual number of embryos produced from flushes a...Figure 89.5 Comparison of biannual number of flushes (producing in vivo embr...

72 Chapter 90Figure 90.1 Dolly, a lamb derived from the mammary gland of a Finn Dorset ew...Figure 90.2 Different animals cloned by SCNT; camel, sand cat, Spanish ibex,...Figure 90.3 Different SCNT steps for cloning adult animals. Although the sch...Figure 90.4 Bovine cloned blastocysts (a) before expansion and (b) expanding...Figure 90.5 Comparison of overall efficiency of SCNT using different somatic...Figure 90.6 Comparison of development of non‐viable (a–c) and viable (d–f) S...Figure 90.7 Each observed SCNT placenta could be grouped as hypoplastic (a, ...Figure 90.8 SCNT fetus aborted during second trimester. Placenta was thicken...Figure 90.9 (a) Hydropic surrogate recipient at 203 days of gestation. (b) A...Figure 90.10 Representative image depicting survival for SCNT clones of Jers...Figure 90.11 Dolly with Bonnie, her first‐born lamb after being mated to a s...Figure 90.12 Representative image depicting SCNT procedure and in vitro embr...