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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
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Description
XLD AgarXLD Agar XLD Agar is used for isolating and differentiation of Gram negative enteric bacteria. In this medium, Yeast Extract provides the nitrogenous sources and carbohydrates required for bacterial growth. Sodium Chloride supplies electrolytes and maintains osmotic equilibrium. Xylose, Lactose and Sucrose are the fermentable carbohydrates, being the former utilized by most enteric bacteria except for Shigella and Providencia spp. Upon Xylose
XLD Agar
XLD Agar is used for isolating and differentiation of Gram-negative enteric bacteria. In this medium, Yeast Extract provides the nitrogenous sources and carbohydrates required for bacterial growth. Sodium Chloride supplies electrolytes and maintains osmotic equilibrium. Xylose, Lactose and Sucrose are the fermentable carbohydrates, being the former utilized by most enteric bacteria except for Shigella and Providencia spp. Upon Xylose depletion, Salmonella (but not non-pathogen Xylose fermenters) decarboxylates L-Lysine and reverts the pH acidification due to carbohydrate fermentation. Phenol Red serves as pH indicator. Sodium Thiosulfate and Ferric Ammonium Citrate detect hydrogen sulfide formation in alkaline conditions. There is a choice of 3 sizes - 500g, 2kg, and 10kg.
PREPARATION: Mix 55 grams of the medium in one liter of purified water until evenly dispersed. Heat with repeated stirring and boil until dissolved completely. DO NOT AUTOCLAVE.
Additional Literature:
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- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.4 ★★★★★
Based on 1945 reviews
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Product Reviews
★★★★★ 5
Dogs love these!
Flavor Name: Peanut Butter, Size: 6.9 Ounce (Pack of 1)
My dogs love these. Good price for very good product.
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Reviewed in the United States on November 15, 2025
★★★★★ 2
Would not buy again
Flavor Name: Peanut Butter, Size: 6.9 Ounce (Pack of 1)
Would not order these again. Opening in bone is too small making it almost impossible for even a small dog to reach peanut butter inside.
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Reviewed in the United States on March 20, 2026
★★★★★ 5
Perfect size
Flavor Name: Peanut Butter, Size: 6.9 Ounce (Pack of 1)
I like this size. I’ve gotten the larger ones in the past, but my 45 pound dogs can’t get to the center. This size works much better for them. They love them.
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Reviewed in the United States on January 21, 2026
★★★★★ 1
my dog says NO
Flavor Name: Peanut Butter, Size: 6.9 Ounce (Pack of 1)
My dog sniffs both ends of this bone then walks away. I see in inside of it is very hard so I decided to soak it in some hot water for awhile and see what she does with it. If it works I will update.
Update. Soaking didn't help. So that bone went in the trash.
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Reviewed in the United States on December 1, 2025
★★★★★ 5
My dogs love them
Flavor Name: Peanut Butter, Size: 4 Ounce (Pack of 1)
My dogs love these. They don’t last very long but my dogs are big, and they aren’t messy. I also like how they don’t stink like some chews.
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Reviewed in the United States on March 18, 2026