The pattern is written in worsted weight yarn. However, I include hook and safety eye recommendations in the pattern and any other changes.
The pattern includes instructions for the Baby Highland Cow, as well as modifications for a baby Longhorn and Holstein cow.
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Pattern is in English with US terminology.
Pattern includes private video link for extra help.
Supply List: 
Worsted Weight Yarn:

• Body Color: Premier Basix in Butterscotch 2.2oz (Approx. 113 yards)
• Hoof Color: Premier Basix in Mahogany 0.2 oz (Approx. 10.4 yards)
• Horns: Premier Basix in White 0.2 oz (Approx. 10.4 yards) G 4.5 mm hook 12 mm safety eyes Tapestry Needle, I also use XL needles or leather needles for the face shaping. Fiber Fill Scissors Stitch Marker Sewing Pins Other Yarns Used: Texas Longhorn Cow Worsted Weight Yarn: 
• Body Color: Premier Basix in Orange 1.6 oz (Approx. 84 yards)
• Hoof Color: Premier Basix in Mahogany  0.2 oz  (Approx. 10.4 yards)
• Horns: Premier Basix in White 0.2 oz (Approx. 10.4 yards) Holstein Cow Worsted Weight Yarn: 
• Body Color: Premier Basix in White 1.6 oz (Approx. 84 yards)
• Hoof Color: Premier Basix in Mahogany  0.2 oz  (Approx. 10.4 yards)
• Spots: Premier Basix in Black 0.4 oz (Approx. 20.5 yards)
• Snout: Premier Basix in Pink 0.1 oz (Approx. 5 yards yards) Highland Cow Parfait Chunky
• Premier Parfait Chunky in Toffee 3.4 oz (Approx 131 yards)
• Premier Parfait Chunky in Teddy Bear 0.3 oz (Approx 12 yards)
• Premier Parfait Chunky in White 0.3 oz (Approx 12 yards) K (6.5 mm) crochet hook 16mm safety eyes Longhorn Cow Big Twist Posh
• Big Twist Posh in Glow Warm 3.25oz (Approx 107.25 yards)
• Big Twist Posh in Black Sesame 0.25oz (Approx 8.25 Yards)
• Big Twist Posh in Earl Gray 0.25oz (Approx 8.25 Yards) K (6.5mm) Crochet Hook 16mm safety eyes Holstein Cow Bernat Blanket
• Bernat Baby Blanket Frosting in Seaside 5 oz (Approx 105 yards)
• Bernat Baby Blanket in Blue Jeans 2 oz (Approx 42 yards)
• Bernat Baby Blanket in Bubbly Blue 0.6oz (Approx 12.6 yards) L (8 mm) crochet hook 24mm safety eyes