The American Pregnancy Association recommends 75 to 100 grams of protein per day for pregnant women. This requirement decreases to about 71 grams of protein daily for breastfeeding women, according to the University of Illinois McKinley Health Center.
Cougars become sexually mature at about 24 months of age. However, sexually mature cougars seldom breed until they have established a home range. Cougars have a gestation period of approximately 92 days. They will generally give birth to between one and four kittens, although two or three is typical. Kittens (also called cubs) weigh just over a pound at birth. Until they are two weeks old the kittenâs eyes and ears are closed.
http://www.chacha.com/question/how-long-does-a-golden-retrievers-pregnancy-last. The gestation period (time from conception to delivery) for Golden Retrievers is approximately 9 weeks (63 days). ChaCha on!hether it is a Great Dane, or the tiny Chihuahua, the gestation period for dogs is the same, approximately nine weeks! [ Source: http://www.chacha.com/question/how-long-is-a-golden-retriever-pregnant ]. More Answers to  How long is a golden retriever pregnant .